Subject Index

for ReliaSoft's Reliability Publications

Select a topic from the alphabetized list to see relevant articles from ReliaSoft's Reliability HotWire publication. For a more comprehensive search that includes both articles and R&D research papers, use the search box instead.

Numerics A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Numerics

[Top]

Team-based Problem Solving Methods and XFRACAS [Knowledge Base Article]

[Top]

Accelerated Degradation Analysis

Accelerated Degradation Analysis Using ALTA [HotWire Issue 110 (April 2010)]
Degradation Analysis in ALTA [HotWire Issue 121 (March 2011)]
Using Degradation Data for Life Data Analysis [Knowledge Base Article]
Using Extrapolated Intervals in ALTA Degradation Analysis [HotWire Issue 134 (April 2012)]

Accelerated Test Planning

Accelerated Testing Data Analysis Without a Known Physical Failure Model [Knowledge Base Article]
Accelerated Testing with the Inverse Power Law [Knowledge Base Article]
Accelerated Test Planning in ALTA [HotWire Issue 124 (June 2011)]

Accelerated Testing Life Data Analysis

Accelerated Life Testing...Why? [HotWire Issue 18 (August 2002)]
Accelerated Testing Data Analysis Without a Known Physical Failure Model [Knowledge Base Article]
Accelerated Testing with the Inverse Power Law [Knowledge Base Article]
An Accelerated Life Testing Model Involving Performance Degradation[HotWire Issue 38 (April 2004)]
Analysis of Accelerated Life Tests with Competing Failure Modes [HotWire Issue 67 (September 2006)]
Analyzing Accelerated Test Data with Unrelated Failures [HotWire Issue 30 (August 2003)]
Analyzing Step Stress Data [HotWire Issue 4 (June 2001)]
Basic Concepts of Accelerated Life Testing Analysis [HotWire Issue 43 (September 2004)]
Bathtub Curve and Product Failure Behavior Part 2, The [HotWire Issue 22 (December 2002)]
Calculating Equivalent Acceleration Factors for Random Stresses [HotWire Issue 144 (February 2013)]
Calibrated Accelerated Life Testing (CALT) with Time Varying Stress Profiles [Knowledge Base Article]
Criticality Analysis [Knowledge Base Article]
Degradation Analysis in ALTA [HotWire Issue 121 (March 2011)]
Degradation Analysis in Step-Stress Accelerated Testing [HotWire Issue 65 (July 2006)]
Determining the Reliability of a System with Load Sharing [HotWire Issue 20 (October 2002)]
Expanded Models for Accelerated Life Test Analysis with Time-Varying Stresses [HotWire Issue 75 (May 2007)]
Fatigue and Reliability Analysis with Time-Varying Stress Using the Cumulative Damage Model [HotWire Issue 200 (October 2017)]
Introduction to Accelerated Testing Types [Knowledge Base Article]
Introduction to the Generalized Eyring Life-Stress Relationship [HotWire Issue 74 (April 2007)]
Let the Data Speak About Activation Energy [HotWire Issue 17 (July 2002)]
Looking at Thermal Cycling Data in Quantitative Accelerated Life Testing [HotWire Issue 19 (September 2002)]
Modeling Interactions Between Variables in Accelerated Life Testing or Life-Stress Analysis [HotWire Issue 53 (July 2005)]
Reliability Testing [HotWire Issue 41 (July 2004)]
Residual Plots in Accelerated Life Testing Data Analysis [HotWire Issue 105 (November 2009)]
Using Accelerated Life Testing Analysis to Characterize "Shelf Life" [HotWire Issue 34 (December 2003)]
Using Categorical Variables in Accelerated Life Testing and Life-Stress Analysis [HotWire Issue 53 (July 2005)]
Using the General Log-Linear Model in ALTA PRO for Thermal Cycling [HotWire Issue 184 (June 2016)]
Utilizing Residual Plots in Accelerated Life Testing Data Analysis [HotWire Issue 51 (May 2005)]
Verifying the Assumption of a Constant Shape Parameter in Accelerated Life Testing Data [HotWire Issue 16 (June 2002)]

Acceleration Factor

Calculating Equivalent Acceleration Factors for Random Stresses [HotWire Issue 144 (February 2013)]
Let the Data Speak About Activation Energy [HotWire Issue 17 (July 2002)]

Activation Energy

Let the Data Speak About Activation Energy [HotWire Issue 17 (July 2002)]

Allowable Failures

Design of Reliability Tests [HotWire Issue 24 (February 2003)]

ALTA Software

Accelerated Degradation Analysis Using ALTA [HotWire Issue 110 (April 2010)]
Accelerated Test Planning in ALTA [HotWire Issue 124 (June 2011)]
Analyzing Accelerated Test Data with Unrelated Failures [HotWire Issue 30 (August 2003)]
Analyzing Step-Stress Data [HotWire Issue 4 (June 2001)]
Applying Reliability DOE Techniques to Investigate Effects on Product Life [Knowledge Base Article]
Basic Concepts of Accelerated Life Testing Analysis [HotWire Issue 43 (September 2004)]
Can the Likelihood Value be Greater Than 0? [HotWire Issue 92 (October 2008)]
Common Shape Parameter Likelihood Ratio Test [HotWire Issue 45 (November 2004)]
Considering a Use Stress Distribution in a Quantitative Accelerated Life Testing Analysis [HotWire Issue 172 (June 2015)]
Degradation Analysis in ALTA [HotWire Issue 121 (March 2011)]
Degradation Analysis in Destructive Testing: Part I and II [HotWire Issue 85 (March 2008)] [HotWire Issue 86 (April 2008)]
Degradation Analysis in Step-Stress Accelerated Testing [HotWire Issue 65 (July 2006)]
Determining the Connection Between Test and Field Reliability [HotWire Issue 54 (August 2005)]
Estimating Reliability Based on Multiple Random Stress Types [HotWire Issue 82 (December 2007)]
Expanded Models for Accelerated Life Test Analysis with Time-Varying Stresses [HotWire Issue 75 (May 2007)]
Field Data [HotWire Issue 42 (August 2004)]
Fatigue and Reliability Analysis with Time-Varying Stress Using the Cumulative Damage Model [HotWire Issue 200 (October 2017)]
How to Define a Complicated Stress Profile [HotWire Issue 87 (May 2008)]
Introduction to Accelerated Testing Types [Knowledge Base Article]
Introduction to the Generalized Eyring Life-Stress Relationship [HotWire Issue 74 (April 2007)]
Introduction to the Temperature-Humidity Model [HotWire Issue 50 (April 2005)]
Let the Data Speak About Activation Energy [HotWire Issue 17 (July 2002)]
Life Data Analysis of Load Sharing Units [HotWire Issue 81 (November 2007)]
Look Under the Hood at the Cumulative Damage Model, A [HotWire Issue 23 (January 2003)]
Miner’s Rule and Cumulative Damage Models [HotWire Issue 116 (October 2010)]
Modeling Interactions Between Variables in Accelerated Life Testing or Life-Stress Analysis [HotWire Issue 53 (July 2005)]
Reliability Prediction Methods for Electronic Products [Knowledge Base Article]
Residual Plots in Accelerated Life Testing Data Analysis [HotWire Issue 105 (November 2009)]
Two Methods for Analyzing Time-Varying Stress Data in ALTA [HotWire Issue 182 (April 2016)]
Using Accelerated Life Testing Analysis to Characterize "Shelf Life" [HotWire Issue 34 (December 2003)]
Using ALTA to Model Destructive Degradation Data [HotWire Issue 149 (July 2013)]
Using ALTA with Multi-Stress Physics of Failure Models [HotWire Issue 90 (August 2008)]
Using Categorical Variables in Accelerated Life Testing and Life-Stress Analysis [HotWire Issue 53 (July 2005)]
Using Extrapolated Intervals in ALTA Degradation Analysis [HotWire Issue 134 (April 2012)]
Using the General Log-Linear Model in ALTA PRO for Thermal Cycling [HotWire Issue 184 (June 2016)]
Using Reliability Block Diagrams to Analyze Dependent and Independent Failure Modes [HotWire Issue 27 (May 2003)]
Utilizing Residual Plots in Accelerated Life Testing Data Analysis [HotWire Issue 51 (May 2005)]

Analysis of Variance (ANOVA)

Analysis of Variance [HotWire Issue 95 (January 2009)]
Applying Reliability DOE Techniques to Investigate Effects on Product Life [Knowledge Base Article]
An Example of Using Reliability DOE for Life Testing [HotWire Issue 88 (June 2008)]
Using DOE++ to Analyze Unbalanced Designs [HotWire Issue 94 (December 2008)]

ANOVA (see Analysis of Variance)

Asset Performance Management (APM)

Asset Performance Management Using Orion eAPI [HotWire Issue 124 (June 2011)]
Asset Performance Management Supported by Reliability Engineering [Knowledge Base Article]

Availability Estimation

Availability and the Different Ways to Calculate It [HotWire Issue 79 (September 2007)
Estimating Availability Through Simulation [HotWire Issue 8 (October 2001)]
Relationship Between Availability and Reliability [HotWire Issue 2 6 (April 2003)]
Using Simulation to Determine the Required Spare Parts for Fielded Systems [HotWire Issue 129 (November 2011)]

[Top]

Backlog

Throughput Analysis (Part I and Part II) [HotWire Issue 27 (May 2003)] [HotWire Issue 28 (June 2003)]

Balanced/Unbalanced Designs

Using DOE++ to Analyze Unbalanced Designs [HotWire Issue 94 (December 2008)]

Baseline Reliability Prediction

Baseline Reliability Prediction at the Early Product Design Stage [HotWire Issue 160 (June 2014)]

Bayesian Statistics

Applications of the Weibull-Bayesian Distribution in Life Data Analysis [HotWire Issue 55 (September 2005)]
Bayesian Confidence Bounds [HotWire Issue 60 (February 2006)]
Bayesian Reliability Demonstration Test Design [HotWire Issue 136 (June 2012)]
Introduction to the Weibull-Bayesian Distribution [HotWire Issue 55 (September 2005)]
You Have a Small Data Set: What Do You Do? [HotWire Issue 72 (February 2007)]

Bellcore/Telcordia Reliability Prediction Standards

Bellcore/Telcordia Reliability Prediction in Lambda Predict [HotWire Issue 152 (October 2013)]

Beta

A High Value of Beta is Not Necessarily Cause For Concern [Knowledge Base Article]
Another Look at the Shape Parameter of the Weibull Distribution (Beta) [HotWire Issue 110 (April 2010)]
Determining the Sample Size for a Life Test Based on the Shape Parameter of the Weibull Distribution [HotWire Issue 126 (August 2011)]
Verifying the Assumption of a Constant Shape Parameter in Accelerated Life Testing Data [HotWire Issue 16 (June 2002)]
Understanding the Effect of the Beta Parameter on Demonstration Testing [HotWire Issue 165 (November 2014)]

Beta Factor Method

Beta Factor Method, The [HotWire Issue 115 (September 2010)]

Biased Parameters

Understanding Biasedness [HotWire Issue 25 (March 2003)]

BlockSim Software

Ability to Edit Item Properties in Separate Worksheets [HotWire Issue 33 (November 2003)]
Advanced RBD Modeling Using State Change Triggers [HotWire Issue 134 (April 2012)]
Analysis and Modeling of Grouped and Opportunistic Preventive Maintenance [HotWire Issue 78 (August 2007)]
Analyzing Excess System Downtime Through System Modeling [HotWire Issue 80 (October 2007)]
An Application of BlockSim’s Log of Simulations [HotWire Issue 97 (March 2009)]
A Pro-rata Warranty Model for Non-Repairable Products [HotWire Issue 100 (June 2009)]
Availability and the Different Ways to Calculate It [HotWire Issue 79 (September 2007)
Avoiding a Common Mistake in the Analysis of Repairable Systems [Knowledge Base Article]
Baseline Reliability Prediction at the Early Product Design Stage [HotWire Issue 160 (June 2014)]
Beta Factor Method, The [HotWire Issue 115 (September 2010)]
Comparison of RBD and Fault Tree Simulation [HotWire Issue 44 (October 2004)]
Complex Risk Analysis of System-Level Effects [HotWire Issue 133 (March 2012)]
Component Reliability Importance in System Reliability Analysis [HotWire Issue 62 (April 2006)]
Conditional Reliability for a System [HotWire Issue 193 (March 2017)]
Determining the Reliability of a System with Load Sharing [HotWire Issue 20 (October 2002)]
Determining Reliability for Complex Systems: Part 1 and Part II [HotWire Issue 2 (April 2001)] [HotWire Issue 3 (May 2001)]
Don’t Let Your Event/Maintenance Log Data Go to Waste [HotWire Issue 68 (October 2006)]
Effect of Inspection Intervals, The [HotWire Issue 28 (June 2003)]
Estimating Availability Through Simulation [HotWire Issue 8 (October 2001)]
Estimating Failures for a Fleet of Vehicles with Different Configurations [HotWire Issue 198 (August 2017)]
Estimating Mean Time Between Maintenance (MTBM) Using BlockSim [HotWire Issue 147 (May 2013)]
Estimating the Expected Number of Failures for Items with Minimal or Perfect Repair [HotWire Issue 90 (August 2008)]
Expanded Algebraic Solutions for RBDs and FTDs [HotWire Issue 33 (November 2003)]
How Long Should You Burn In a System? (Parts I and II) [HotWire Issue 69 (November 2006)] [HotWire Issue 103 (September 2009)]
How to Simplify Complex RBDs with a Commonly Used Distribution [HotWire Issue 68 (October 2006)]
Imperfect Repair [HotWire Issue 24 (February 2003)]
Incorporating Recurrent Event Data Analysis in Reliability Block Diagrams [HotWire Issue 170 (April 2015)]
Life Cycle Cost Analysis [HotWire Issue 47 (January 2005)]
Life Data Analysis of Load Sharing Units [HotWire Issue 81 (November 2007)]
Maintenance Policies in BlockSim [Hotwire Issue 89 (July 2008)]
A Method for Estimating Bounds on System Reliability in the Absence of Times-to-Failure Data [HotWire Issue 195 (May 2017)]
Minimal Cut Sets [HotWire Issue 63 (May 2006)]
Modeling a Complex Maintenance Scenario in BlockSim [HotWire Issue 89 (July 2008)]
Modeling a Ring Network Topology in BlockSim [HotWire Issue 188 (October 2016)]
Modeling Maintenance-induced Failures During the Scheduled Maintenance of a Component Using Reliability Block Diagrams (RBDs) [HotWire Issue 174 (August 2015)]
Modeling Nonlinear Systems in Reliability Phase Simulation [HotWire Issue 135 (May 2012)]
Modeling Periodical Inspection and Early Failure Detection in BlockSim [HotWire Issue 62 (April 2006)]
Modeling Specific Functions of a Ring Network Topology in BlockSim [HotWire Issue 189 November 2016)]
MTTF, MTBF, Mean Time Between Replacements and MTBF with Scheduled Replacements [HotWire Issue 94 (December 2008)]
On-Condition Maintenance Using P-F Interval or Failure Detection Threshold (FDT) [HotWire Issue 76 (June 2007)]
Opportunity Maintenance in BlockSim [Blueprint Issue 2 (August 2018)]
Optimum Preventive Maintenance Replacement Time for a Single Component [Knowledge Base Article]
Optimum Preventive Maintenance Replacement Time in Clusters Using BlockSim [HotWire Issue 156 (February 2014)]
Overview of BlockSim 6 Containers in Simulation [HotWire Issue 31 (September 2003)]
Overview of Fault Tree Gates (Part I and II) [HotWire Issue 37 (March 2004)] [HotWire Issue 38 (April 2004)]
Parametric Models for Common Cause Failure Analysis [HotWire Issue 125 (July 2011)]
Preventive Maintenance and the Cost Per Unit Time Equation [HotWire Issue 96 (February 2009)]
Relationship Between Availability and Reliability [HotWire Issue 2 6 (April 2003)]
Reliability Allocation and Optimization Using BlockSim [HotWire Issue 99 (May 2009)]
Reliability Growth Analysis and Plots [Knowledge Base Article]
Reliability Importance Measures of Components in a Complex System - Identifying the 20% in the 80/20 Rule [HotWire Issue 66 (August 2006)]
Reliability of Standby Systems with a Switching Device [HotWire Issue 22 (December 2002)]
Restoration Factors in BlockSim [HotWire Issue 77 (July 2007)]
Sensitivity Analysis Using Simulation Worksheets in BlockSim and DOE++ [HotWire Issue 158 (April 2014)]
Throughput Analysis (Part I and II) [HotWire Issue 27 (May 2003)] [HotWire Issue 28 (June 2003)]
Time Varying and Multi-Phase Throughput Analysis [HotWire Issue 79 (September 2007)]
Treating Common Cause Failures in Fault Trees [HotWire Issue 54 (August 2005)]
Using BlockSim 6 for Planning Just-In-Time Ordering of Spare Parts [HotWire Issue 70 (December 2006)]
Using BlockSim for System Capability Analysis [HotWire Issue 91 (September 2008)]
Using BlockSim to Analyze a Non-Repairable Standby Function Unit [HotWire Issue 150 (August 2013)]
Using BlockSim to Analyze Systems that Do Not Operate 24 Hours per Day [HotWire Issue 48 (February 2005)]
Using Duty Cycles in System Reliability Analysis [HotWire Issue 74 (April 2007)]
Using Maintenance Policies [HotWire Issue 31 (September 2003)]
Using Markov Diagrams in BlockSim for Availability Analysis [HotWire Issue 183 (May 2016)]
Using Markov Diagrams in BlockSim for Reliability Analysis [HotWire Issue 177 (November 2015)]
Using Off-Site Spare Part Stocks to Maintain Systems [HotWire Issue 75 (May 2007)]
Using Pools and Crews in System Analysis (Part I and II) [HotWire Issue 29 (July 2003)] [HotWire Issue 30 (August 2003)]
Using Reliability Allocation Analysis to Set Component Specifications [HotWire Issue 139 (September 2012)]
Using Reliability Block Diagrams to Analyze Dependent and Independent Failure Modes [HotWire Issue 27 (May 2003)]
Using Simulation to Determine the Required Spare Parts for Fielded Systems [HotWire Issue 129 (November 2011)]
Using State Change Triggers to Model Dependent Events with Delay in BlockSim 8 [HotWire Issue 140 (October 2012)]
Using the Fault Tree Method for Dependent and Independent Failure Modes [HotWire Issue 29 (July 2003)]
Using Weibull++ and BlockSim to Calculate t₀ [HotWire Issue 46 (December 2004)]

Bounds (see Confidence Bounds)

Burn-In

Bathtub Curve and Product Failure Behavior Part 1, The [HotWire Issue 21 (November 2002)]
How Long Should You Burn In a System? (Part I and II) [HotWire Issue 69 (November 2006)] [HotWire Issue 103 (September 2009)]
Guidelines for Burn-in Justification and Burn-in Time Determination [Knowledge Base Article]
Truncation of the Integral Used in the Comparison Wizard in Weibull++: Part I and II [HotWire Issue 125 (July 2011)] [HotWire Issue 127 (September 2011)]
Quantifying Optimum Burn-in Period [HotWire Issue 58 (December 2005)]
Reliability Testing [HotWire Issue 41 (July 2004)]
Sources of Reliability Data: Reliability Testing Basics [HotWire Issue 5 (July 2001)]

BX Life

Comparing Two Products Using a Single Metric [HotWire Issue 96 (February 2009)]

[Top]

Categorical Variables

Using Categorical Variables in Accelerated Life Testing and Life-Stress Analysis [HotWire Issue 53 (July 2005)]

Censored Data

An Example of Using Reliability DOE for Life Testing [HotWire Issue 88 (June 2008)]
Life Data Classifications [Knowledge Base Article]
A Simple Method for Analyzing a Data Set with Unknown Suspension Times [HotWire Issue 176 (October 2015)]

Change Point Analysis

Change Point Analysis and DRBFM: A Winning Combination [Knowledge Base Article]
Risk Discovery Analysis in Xfmea [HotWire Issue 111 (May 2010)]

Change of Slope Methodology

Change of Slope Methodology in Reliability Growth Analysis, The [Knowledge Base Article]

Change Tracking

Using the New Change Log Utility in Xfmea or RCM++ [HotWire Issue 69 (November 2006)]

Chart Wizard

Failure Rate of a Series System Using Weibull++ [HotWire Issue 108 (February 2010)]
Using the Chart Wizard to Create a Custom Plot [HotWire Issue 108 (February 2010)]

Chi-Squared Test

Chi-Squared Distribution and Reliability Demonstration Test Design [HotWire Issue 116 (October 2010)]
How Good Is Your Assumed Distribution's Fit? [HotWire Issue 71 (January 2007)]

Common Cause Failures

Beta Factor Method, The [HotWire Issue 115 (September 2010)]
Parametric Models for Common Cause Failure Analysis [HotWire Issue 125 (July 2011)]
Treating Common Cause Failures in Fault Trees [HotWire Issue 54 (August 2005)]

Competing Failure Modes Analysis

Analysis of Accelerated Life Tests with Competing Failure Modes [HotWire Issue 67 (September 2006)]
Analyzing Competing Failure Modes Using Batch Auto Run [HotWire Issue 167 (January 2015)]
Analyzing Failure Modes Using RBDs in Weibull++ [HotWire Issue 128 (October 2011)]
Multimodal Analysis [HotWire Issue 12 (February 2002)]

Complete Data

Life Data Classifications [Knowledge Base Article]

Complex Systems

Complex Risk Analysis of System-Level Effects [HotWire Issue 133 (March 2012)]
Determining Reliability for Complex Systems: Part 1 and 2 [HotWire Issue 2 (April 2001)] [HotWire Issue 3 (May 2001)]
Expanded Algebraic Solutions for RBDs and FTDs [HotWire Issue 33 (November 2003)]

Conditional Reliability

Financial Applications for Weibull Analysis [HotWire Issue 35 (January 2004)]
Conditional Reliability for a System [HotWire Issue 193 (March 2017)]

Confidence Bounds

Bayesian Confidence Bounds [HotWire Issue 60 (February 2006)]
Beta Binomial Confidence Bounds on the Mixed Weibull Distribution [HotWire Issue 48 (February 2005)]
Bounds on System Reliability [HotWire Issue 102 (August 2009)]
Confidence Bounds in Reliability Growth Planning [HotWire Issue 143 (January 2013)]
Contour Plots and Confidence Bounds on Parameters (Part I and II) [HotWire Issue 18 (August 2002)] [HotWire Issue 19 (September 2002)]
Differences Between Type I (Time) and Type II (Reliability) Confidence Bounds [HotWire Issue 17 (July 2002)]
Individual and Joint Parameter Bounds in Weibull++ [HotWire Issue 101 (July 2009)]
Likelihood Ratio Confidence Bounds [HotWire Issue 42 (August 2004)]
A Method for Estimating Bounds on System Reliability in the Absence of Times-to-Failure Data [HotWire Issue 195 (May 2017)]
Statistical Intervals [HotWire Issue 194 (April 2017)]
What Are Confidence Bounds? [HotWire Issue 34 (December 2003)]
Which Analysis Settings Should I Use? [HotWire Issue 1 (March 2001)]

Contour Plots

Comparing Two Data Sets [HotWire Issue 23 (January 2003)]
Contour Plots and Confidence Bounds on Parameters (Part I and II) [HotWire Issue 18 (August 2002)] [HotWire Issue 19 (September 2002)]
Relating Distribution Parameters to Real-World Applications [HotWire Issue 120 (February 2011)]
Verifying the Assumption of a Constant Shape Parameter in Accelerated Life Testing Data [HotWire Issue 16 (June 2002)]

Corrective Maintenance

Maintenance Policies in BlockSim [Hotwire Issue 89 (July 2008)]
Modeling a Complex Maintenance Scenario in BlockSim [HotWire Issue 89 (July 2008)]

Correlation Coefficient

How Good Is Your Assumed Distribution's Fit? [HotWire Issue 71 (January 2007)]
Rank Regression Parameter Estimation [HotWire Issue 10 (December 2001)]

Cost of Replacements

Choosing the Optimum Maintenance Interval with Weibull++ [HotWire Issue 145 (March 2013)]
Optimum Preventive Maintenance Replacement Time for a Single Component [Knowledge Base Article]
Optimum Preventive Maintenance Replacement Time in Clusters Using BlockSim [HotWire Issue 156 (February 2014)]
Preventive Maintenance and the Cost Per Unit Time Equation [HotWire Issue 96 (February 2009)]

Covariates

Hands On: Reliability DOE with Covariates [HotWire Issue 99 (May 2009)]

Criticality Analysis

Criticality Analysis [Knowledge Base Article]
Failure Modes, Effects and Criticality Analysis [Knowledge Base Article]

Crow-AMSAA Reliability Growth Model

Analyzing Success/Failure Data Using the Crow Discrete Reliability Growth Model [HotWire Issue 81 (November 2007)]
Analyzing Warranty Data of Repairable Systems [HotWire Issue 64 (June 2006)]
Change of Slope Methodology in Reliability Growth Analysis, The [Knowledge Base Article]
Forecasting Underground Electric Cable Faults Using the Crow-AMSAA Model [HotWire Issue 115 (September 2010)]
Introduction to the Crow-AMSAA Reliability Growth Model [HotWire Issue 49 (March 2005)]
Unbiasing Beta for the Crow-AMSAA NHPP Model [HotWire Issue 141 (November 2012)]

Cumulative Damage Model

Analyzing Step-Stress Data [HotWire Issue 4 (June 2001)]
Expanded Models for Accelerated Life Test Analysis with Time-Varying Stresses [HotWire Issue 75 (May 2007)]
Fatigue and Reliability Analysis with Time-Varying Stress Using the Cumulative Damage Model [HotWire Issue 200 (October 2017)]
Look Under the Hood at the Cumulative Damage Model, A [HotWire Issue 23 (January 2003)]
Miner’s Rule and Cumulative Damage Models [HotWire Issue 116 (October 2010)]
Two Methods for Analyzing Time-Varying Stress Data in ALTA [HotWire Issue 182 (April 2016)]

Cumulative Density Function (cdf)

Maximum Likelihood Estimation [HotWire Issue 9 (November 2001)]
Maximum Likelihood Function [HotWire Issue 33 (November 2003)]
Reliability Function, The [HotWire Issue 7 (September 2001)]
Risks of Using Failure Rate to Calculate Reliability Metrics, The [HotWire Issue 196 (June 2017)]

Customer Usage Data

Customer Usage Profiling [HotWire Issue 11 (January 2002)]
Life estimation based on customer usage using a virtual model [Blueprint Issue 1 (May 2018)]
Reliability Estimation for Products with Random Usage [HotWire Issue 168 (February 2015)]
Reliability Testing [HotWire Issue 41 (July 2004)]
Sources of Reliability Data: Reliability Testing Basics [HotWire Issue 5 (July 2001)]

Cut Sets

Minimal Cut Sets [HotWire Issue 63 (May 2006)]

[Top]

Dashboard

Data Collection [HotWire Issue 43 (September 2004)]

Data Types (Classifications)

Life Data Classifications [Knowledge Base Article]

DCOV

Team-based Problem Solving Methods and XFRACAS [Knowledge Base Article]

Decomposition Method

Determining Reliability for Complex Systems [HotWire Issue 2 (April 2001)]

Degradation Analysis

An Accelerated Life Testing Model Involving Performance Degradation [HotWire Issue 38 (April 2004)]
Degradation Analysis in ALTA [HotWire Issue 121 (March 2011)]
Degradation Analysis in Destructive Testing (Part I and II) [HotWire Issue 85 (March 2008)] [HotWire Issue 86 (April 2008)]
Degradation Analysis in Step-Stress Accelerated Testing [HotWire Issue 65 (July 2006)]
Degradation Model Selection in Weibull++ [HotWire Issue 112 (June 2010)]
Destructive Degradation Analysis in Weibull++ [HotWire Issue 178 (December 2015)]
Modeling Periodical Inspection and Early Failure Detection in BlockSim [HotWire Issue 62 (April 2006)]
Using ALTA to Model Destructive Degradation Data [HotWire Issue 149 (July 2013)]
Using Degradation Data for Life Data Analysis [Knowledge Base Article]
Using Extrapolated Intervals in ALTA Degradation Analysis [HotWire Issue 134 (April 2012)]

Deming, W. Edwards

Key Factors for Effective FMEAs [Knowledge Base Article]
What Would Deming Do? [HotWire Issue 67 (September 2006)]

Design for Reliability (DFR)

Applying Reliability DOE Techniques to Investigate Effects on Product Life [Knowledge Base Article]
Asset Performance Management Supported by Reliability Engineering [Knowledge Base Article]
Design for Reliability: Overview of the Process and Applicable Techniques [Knowledge Base Article]
Interaction Between the House of Quality (within Design for Six Sigma) and the FMEA (within Design for Reliability) [HotWire Issue 93 (November 2008)]
Reliability Requirements and Specifications [HotWire Issue 80 (October 2007)]
Using FMRA to Estimate Baseline Reliability [HotWire Issue 135 (May 2012)]

Design of Experiments

Analysis of Variance [HotWire Issue 95 (January 2009)]
Applying Reliability DOE Techniques to Investigate Effects on Product Life [Knowledge Base Article]
Box-Behnken Designs for Optimizing Product Performance [HotWire Issue 130 (December 2011)]
Determining Significant Effects in 2^k Designs with a Single Replicate [HotWire Issue 113 (July 2010)]
Discussion of the Residual Sum of Squares in DOE [HotWire Issue 86 (April 2008)]
An Example of Using Reliability DOE for Life Testing [HotWire Issue 88 (June 2008)]
Hands On: Reliability DOE with Covariates [HotWire Issue 99 (May 2009)]
Importing Data from Excel Files to DOE++ [HotWire Issue 107 (January 2010)]
Improving Product Reliability Using Design of Experiments [HotWire Issue 155 (January 2014)]
Introduction to Design of Experiments (DOE) [HotWire Issue 84 (February 2008)]
Introduction to Design of Experiments (DOE) - DOE Types [HotWire Issue 85 (March 2008)]
Replicated Runs and Repeated Runs [HotWire Issue 95 (January 2009)]
Residual Plots for Lifetime Distributions [HotWire Issue 87 (May 2008)]
A Response Surface Approach for Robust Parameter Design [HotWire Issue 136 (June 2012)]
Screening Experiments Using Plackett-Burman Design [HotWire Issue 166 (December 2014)]
Taguchi Orthogonal Array Designs [HotWire Issue 131 (January 2012)]
Taguchi Robust Design for Product Improvement: Part I and II [HotWire Issue 122 (April 2011)] [HotWire Issue 123 (May 2011)]
Using Central Composite Design for Process Optimization [HotWire Issue 146 (April 2013)]
Using DOE++ to Analyze Unbalanced Designs [HotWire Issue 94 (December 2008)]
Using Mixture Designs in DOE++ [HotWire Issue 180 (February 2016)]

Design of Reliability Tests

Bayesian Reliability Demonstration Test Design [HotWire Issue 136 (June 2012)]
Demonstration Test Design Using the DRT Tool in Weibull++ [HotWire Issue 98 (April 2009)]
Design for Reliability: Overview of the Process and Applicable Techniques [Knowledge Base Article]
Design of Reliability Tests [HotWire Issue 24 (February 2003)]
New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]
Type I and Type II Errors and Their Applications [HotWire Issue 88 (June 2008)]
Using OC Curves in Design of Reliability Tests [HotWire Issue 93 (November 2008)]
Sequential Probability Ratio Test for Reliability Demonstration [HotWire Issue 162 (August 2014)]
Using Simulation to Design Reliability Demonstration Tests [HotWire Issue 60 (February 2006)]
Using SimuMatic in RGA [HotWire Issue 129 (November 2011)]
see also Accelerated Test Planning, Design of Experiments

Design Review Based on Failure Mode (see DRBFM)

Destructive Testing

Degradation Analysis in Destructive Testing: Part I and II [HotWire Issue 85 (March 2008)] [HotWire Issue 86 (April 2008)]
Destructive Degradation Analysis in Weibull++ [HotWire Issue 178 (December 2015)]
Using ALTA to Model Destructive Degradation Data [HotWire Issue 149 (July 2013)]

Distributions

Beta Binomial Confidence Bounds on the Mixed Weibull Distribution [HotWire Issue 48 (February 2005)]
Characteristics of the Lognormal Distribution [HotWire Issue 47 (January 2005)]
Characteristics of the Weibull Distribution [HotWire Issue 14 (April 2002)]
Chi-Squared Distribution and Reliability Demonstration Test Design [HotWire Issue 116 (October 2010)]
Cumulative Binomial for Test Design and Analysis [Knowledge Base Article]
Defining Distributions-Part 1: The Probability Density Function [HotWire Issue 12 (February 2002)]
Extreme Value Distributions [HotWire Issue 128 (October 2011)]
Generalized Gamma Distribution and Reliability Analysis, The [HotWire Issue 15 (May 2002)]
Introduction to the Weibull-Bayesian Distribution [HotWire Issue 55 (September 2005)]
Limitations of the Exponential Distribution for Reliability Analysis [Knowledge Base Article]
Location Parameter of the Weibull Distribution [HotWire Issue 15 (May 2002)]
Overview of the Gumbel, Logistic, Loglogistic and Gamma Distributions [HotWire Issue 56 (October 2005)]
Relating Distribution Parameters to Real-World Applications [HotWire Issue 120 (February 2011)]
Residual Plots for Lifetime Distributions [HotWire Issue 87 (May 2008)]

DMAIC, DMEDI

Team-based Problem Solving Methods and XFRACAS [Knowledge Base Article]

DOE++ Software

Analysis of Variance [HotWire Issue 95 (January 2009)]
Applying Reliability DOE Techniques to Investigate Effects on Product Life [Knowledge Base Article]
Box-Behnken Designs for Optimizing Product Performance [HotWire Issue 130 (December 2011)]
Determining Significant Effects in 2^k Designs with a Single Replicate [HotWire Issue 113 (July 2010)]
Discussion of the Residual Sum of Squares in DOE [HotWire Issue 86 (April 2008)]
An Example of Using Reliability DOE for Life Testing [HotWire Issue 88 (June 2008)]
Hands On: Reliability DOE with Covariates [HotWire Issue 99 (May 2009)]
Importing Data from Excel Files to DOE++ [HotWire Issue 107 (January 2010)]
Improving Product Reliability Using Design of Experiments [HotWire Issue 155 (January 2014)]
Introduction to Design of Experiments (DOE) [HotWire Issue 84 (February 2008)]
Introduction to Design of Experiments (DOE) - DOE Types [HotWire Issue 85 (March 2008)]
Measurement Systems Analysis in DOE++ [HotWire Issue 153 (November 2013)]
Replicated Runs and Repeated Runs [HotWire Issue 95 (January 2009)]
Residual Plots for Lifetime Distributions [HotWire Issue 87 (May 2008)]
A Response Surface Approach for Robust Parameter Design [HotWire Issue 136 (June 2012)]
Sensitivity Analysis Using Simulation Worksheets in BlockSim and DOE++ [HotWire Issue 158 (April 2014)]
Screening Experiments Using Plackett-Burman Design [HotWire Issue 166 (December 2014)]
Taguchi Orthogonal Array Designs [HotWire Issue 131 (January 2012)]
Taguchi Robust Design for Product Improvement: Part I and II [HotWire Issue 122 (April 2011)] [HotWire Issue 123 (May 2011)]
Using Central Composite Design for Process Optimization [HotWire Issue 146 (April 2013)]
Using DOE++ for Product and Process Optimization [HotWire Issue 100 (June 2009)]
Using DOE++ to Analyze Unbalanced Designs [HotWire Issue 94 (December 2008)]
Using Mixture Designs in DOE++ [HotWire Issue 180 (February 2016)]
Variability Analysis in DOE++ and its Application [HotWire Issue 101 (July 2009)]

Downing Event Criticality

Reliability Importance Measures of Components in a Complex System - Identifying the 20% in the 80/20 Rule [HotWire Issue 66 (August 2006)]

DRBFM

Change Point Analysis and DRBFM: A Winning Combination [Knowledge Base Article]

Durability

Reliability Test Design: Linking Fatigue and Reliability [HotWire Issue 197 (July 2017)]

Duty Cycles

Using Duty Cycles in System Reliability Analysis [HotWire Issue 74 (April 2007)]

[Top]

Early Failure Detection

Modeling Periodical Inspection and Early Failure Detection in BlockSim [HotWire Issue 62 (April 2006)]

Effectiveness Factor

Developmental Testing with Corrective Actions Implemented During the Test and Delayed Fixes [HotWire Issue 36 (February 2004)]
Reliability Growth Test Planning and Management [HotWire Issue 65 (July 2006)]

Enterprise-wide Systems

Challenges in Selecting an Integrated Enterprise-wide Reliability Solution: An IT Perspective [HotWire Issue 132 (February 2012)]
Is Enterprise-wide, Web-based Software Right for You? It Depends on the Application! [Knowledge Base Article]

Environmental Testing

Sources of Reliability Data: Reliability Testing Basics [HotWire Issue 5 (July 2001)]

Equivalent Single Systems

Build Equivalent Single System During Reliability Growth Testing [HotWire Issue 112 (June 2010)]

Error

Discussion of the Residual Sum of Squares in DOE [HotWire Issue 86 (April 2008)]
Type I and Type II Errors and Their Applications [HotWire Issue 88 (June 2008)]

Event Logs

Analyzing Maintenance Data with the Event Log Folio in Weibull++[HotWire Issue 130 (December 2011)]
Don’t Let Your Event/Maintenance Log Data Go to Waste [HotWire Issue 68 (October 2006)]

Event Space Method

Determining Reliability for Complex Systems Part 1 [HotWire Issue 2 (April 2001)]

Event Trees

Beyond Event Trees – Using RENO for Static and Dynamic Event Graphs [HotWire Issue 159 (May 2014)]
Modeling Event Trees in RENO [HotWire Issue 63 (May 2006)]
Quantitative Risk Analysis Using Simulation [HotWire Issue 154 (December 2013)]

Exponential Distribution

Generating Random Numbers from an Exponential Distribution [HotWire Issue 201 (November 2017)]
Limitations of the Exponential Distribution for Reliability Analysis [Knowledge Base Article]
MLE Solution for the Location Parameter of the 2-Parameter Exponential Distribution, The [HotWire Issue 123 (May 2011)]
You Have a Small Data Set: What Do You Do? [HotWire Issue 72 (February 2007)]

[Top]

Failure Analysis Data

Analyzing Accelerated Test Data with Unrelated Failures [HotWire Issue 30 (August 2003)]
Source of Reliability Data: Field Data [HotWire Issue 6 (August 2001)]

Failure Behavior

Bathtub Curve and Product Failure Behavior Part 1 and 2 [HotWire Issue 21 (November 2002)] [HotWire Issue 22 (December 2002)]

Failure Criticality Index

Reliability Importance Measures of Components in a Complex System - Identifying the 20% in the 80/20 Rule [HotWire Issue 66 (August 2006)]

Failure Definitions

Specifications and Product Failure Definitions [HotWire Issue 35 (January 2004)]

Failure Detection Threshold (FDT)

On-Condition Maintenance Using P-F Interval or Failure Detection Threshold (FDT) [HotWire Issue 76 (June 2007)]

Failure Modes and Reliability Analysis

Using FMRA to Estimate Baseline Reliability [HotWire Issue 135 (May 2012)]

Fault Avoidance

Reliability Allocation and Optimization [HotWire Issue 6 (August 2001)]

Fault Tolerance

Reliability Allocation and Optimization [HotWire Issue 6 (August 2001)]

Fault Trees

Complex Risk Analysis of System-Level Effects [HotWire Issue 133 (March 2012)]
Comparison of RBD and Fault Tree Simulation [HotWire Issue 44 (October 2004)]
Expanded Algebraic Solutions for RBDs and FTDs [HotWire Issue 33 (November 2003)]
Minimal Cut Sets [HotWire Issue 63 (May 2006)]
Overview of Fault Tree Gates (Part I and II) [HotWire Issue 37 (March 2004)] [HotWire Issue 38 (April 2004)]
Treating Common Cause Failures in Fault Trees [HotWire Issue 54 (August 2005)]
Using the Fault Tree Method for Dependent and Independent Failure Modes [HotWire Issue 29 (July 2003)]

Field Data

Accelerated Testing Data Analysis Without a Known Physical Failure Model [Knowledge Base Article]
Bringing It All Together [HotWire Issue 45 (November 2004)]
Customer Usage Profiling [HotWire Issue 11 (January 2002)]
Data Collection [HotWire Issue 43 (September 2004)]
Determining the Connection Between Test and Field Reliability [HotWire Issue 54 (August 2005)]
Field Data [HotWire Issue 42 (August 2004)]
Fielded Systems in Reliability Growth (Part I and II) [HotWire Issue 40 (June 2004)] [HotWire Issue 41 (July 2004)]
New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]
Source of Reliability Data: Field Data [HotWire Issue 6 (August 2001)]
Using Multiple Reliability Tools to Augment Limited Data [HotWire Issue 97 (March 2009)]
Using Reliability Information Throughout the Organization [HotWire Issue 13 (March 2002)]

Fisher Matrix Confidence Bounds

Comparison of Fisher Matrix and Likelihood Ratio Confidence Bound Methods [HotWire Issue 106 (December 2009)]
Which Analysis Settings Should I Use? [HotWire Issue 1 (March 2001)]

Fleet Analysis

Analyzing Warranty Data of Repairable Systems [HotWire Issue 64 (June 2006)]
Crow Extended Fleet Analysis [HotWire Issue 109 (March 2010)]

Flowchart Simulation

Beyond Event Trees – Using RENO for Static and Dynamic Event Graphs [HotWire Issue 159 (May 2014)]
Quantitative Risk Analysis Using Simulation [HotWire Issue 154 (December 2013)]
RENO to Enhance Traditional Engineering Analysis [ HotWire Issue 114 (August 2010)]

FMEA/FMECA

Basic Concepts of FMEA and FMECA [HotWire Issue 46 (December 2004)]
The Case for Generic FMEAs and Strategies for How to Use Them in Xfmea [HotWire Issue 202 (December 2017)]
Criticality Analysis [Knowledge Base Article]
Enterprise Level Management of FMEAs — A Fictional Case Study [HotWire Issue 111 (May 2010)]
Examining Risk Priority Numbers in FMEA [Knowledge Base Article]
Failure Modes, Effects and Criticality Analysis [Knowledge Base Article]
FMEA Success Factors [Knowledge Base Article]
Gathering Information [HotWire Issue 167 (January 2015)]
Gathering Information for Effective Design and Process FMEAs [HotWire Issue 117 (November 2010)]
Good FMEAs, Bad FMEAs - What's the Difference? [HotWire Issue 137 (July 2012)]
How to effectively plan for FMEA challenges to improve quality and save costs [Blueprint Issue 2 (August 2018)]
Improve corporate-wide FMEA collaboration with SEP website [Blueprint Issue 2 (August 2018)]
Key Factors for Effective FMEAs [Knowledge Base Article]
New Ancestry Functionality offered in XFMEA 2018 [Blueprint Issue 1 (May 2018)]
Practice Auditing an Actual FMEA [HotWire Issue 138 (August 2012)]
Using FMEA Templates to Speed Up and Improve the Quality of FMEA or RCM Analyses [HotWire Issue 77 (July 2007)]
Using Risk Ranking Logic in FMEAs [HotWire Issue 192 (February 2017)]

FMEA Accelerator®

Using FMEA Templates to Speed Up and Improve the Quality of FMEA or RCM Analyses [HotWire Issue 77 (July 2007)]

FMEA Corner (A Reliability HotWire series created by Carl Carlson)

FMEA Corner: FMEA Functions [HotWire Issue 152 (October 2013)]
FMEA Corner: FMEA Failure Modes [HotWire Issue 153 (November 2013)]
FMEA Corner: Effects [HotWire Issue 154 (December 2013)]
FMEA Corner: Causes [HotWire Issue 155 (January 2014)]
FMEA Corner: Controls [HotWire Issue 156 (February 2014)]
FMEA Corner: FMEA Recommended Actions [HotWire Issue 157 (March 2014)]
FMEA Corner: Severity [HotWire Issue 158 (April 2014)]
FMEA Corner: Occurrence [HotWire Issue 159 (May 2014)]
FMEA Corner: Detection [HotWire Issue 160 (June 2014)]
FMEA Corner: RPN [HotWire Issue 161 (July 2014)]
FMEA Corner: Philosophy of Effective FMEAs [HotWire Issue 162 (August 2014)]
FMEA Corner: Preliminary Risk Assessment [HotWire Issue 163 (September 2014)]
FMEA Corner: Determining the Scope of the FMEA [HotWire Issue 164 (October 2014)]
FMEA Corner: Making the FMEA Scope Visible [HotWire Issue 165 (November 2014)]
FMEA Corner: FMEA Ground Rules and Assumptions [HotWire Issue 166 (December 2014)]
FMEA Corner: Gathering Information [HotWire Issue 167 (January 2015)]
FMEA Corner: Assembling the Correct FMEA Team [HotWire Issue 168 (February 2015)]
FMEA Corner: Function Types [HotWire Issue 169 (March 2015)]
FMEA Corner: Use of Failure Mechanisms in FMEA [HotWire Issue 170 (April 2015)]
FMEA Corner: Five Whys [HotWire Issue 171 (May 2015)]
FMEA Corner: Actions Strategies to Reduce Severity Risk [HotWire Issue 172 (June 2015)]
FMEA Corner: Actions Strategies to Reduce Occurrence Risk [HotWire Issue 173 (July 2015)]
FMEA Corner: Actions Strategies to Reduce Detection Risk [HotWire Issue 174 (August 2015)]
FMEA Corner: Common Facilitation Problems [HotWire Issue 175 (September 2015)]
FMEA Corner: Application Tips - Begin with Concerns [HotWire Issue 176 (October 2015)]
FMEA Corner: Discussing the Controversial Issue of FMEA Pre-population [HotWire Issue 177 (November 2015)]
FMEA Corner: Using Design FMEAs to Improve Design Verification Plans [HotWire Issue 178 (December 2015)]
FMEA Corner: Using Process FMEAs to Improve Process Control Plans [HotWire Issue 179 (January 2016)]
FMEA Corner: Common FMEA Mistakes [HotWire Issue 180 (February 2016)]
FMEA Corner: Using FMEA Quality Objectives to Audit FMEAs [HotWire Issue 181 (March 2016)]
FMEA Corner: Parameter Diagrams (P-Diagrams) [HotWire Issue 182 (April 2016)]
FMEA Corner: Functional Block Diagrams) [HotWire Issue 183 (May 2016)]
FMEA Corner: Interface Matrix [HotWire Issue 184 (June 2016)]
FMEA Corner: Can You Anticipate Everything? [HotWire Issue 185 (July 2016)]
FMEA Corner: What is Unique About a System FMEA? [HotWire Issue 186 (August 2016)]
FMEA Corner: Using "Mode of Operation" in FMEA Applications [HotWire Issue 187 (September 2016)]
FMEA Corner: Software FMEA [HotWire Issue 188 (October 2016)]
FMEA Corner: Hazard Analysis [HotWire Issue 189 (November 2016)]
FMEA Corner: FMEA and Robust Design [HotWire Issue 190 (December 2016)]
FMEA Corner: Decomposing System Functions to Lower Levels [HotWire Issue 191 (January 2017)]
FMEA Corner: Essential FMEA Facilitation Skills [HotWire Issue 192 (February 2017)]
FMEA Corner: Achieving Balanced Participation in FMEA Meetings [HotWire Issue 193 (March 2017)]
FMEA Corner: Brainstorming [HotWire Issue 194 (April 2017)]
FMEA Corner: How to Manage Conflict in FMEAs [HotWire Issue 195 (May 2017)]
FMEA Corner: Using Design FMEAs to Identify Key Product Characteristics [HotWire Issue 196 (June 2017)]
FMEA Corner: Using Process FMEAs to Identify Key Process Characteristics [HotWire Issue 197 (July 2017)]
FMEA Corner: To Scribe or Not to Scribe [HotWire Issue 198 (August 2017)]
FMEA Corner: Pugh Analysis [HotWire Issue 199 (September 2017)]
FMEA Corner: Legal Guidelines for FMEAs [HotWire Issue 200 (October 2017)]
FMEA Corner: How to Get Better Results with FMEAs, in Less Time [HotWire Issue 201 (November 2017)]
FMEA Corner: Is there a better way than RPN? [HotWire Issue 202 (December 2017)]

Fractional Failure Analysis

Fractional Failure Analysis in Weibull++ [HotWire Issue 175 (September 2015)]
Median Ranks Calculation for Fractional Failures [HotWire Issue 187 (September 2016)]

Forecasting Data

Source of Reliability Data: Field Data [HotWire Issue 6 (August 2001)]

Function Wizard

Building a Composite Function in the Weibull++ Function Wizard [HotWire Issue 120 (February 2011)]

[Top]

Gage Repeatability and Reproducibility (R&R)

Measurement Systems Analysis in DOE++ [HotWire Issue 153 (November 2013)]

Gamma Distribution

Overview of the Gumbel, Logistic, Loglogistic and Gamma Distributions [HotWire Issue 56 (October 2005)]

Gamma Parameter

Location Parameter of the Weibull Distribution [HotWire Issue 15 (May 2002)]

Gap Analysis

Reliability Growth Analysis with Missing or Erroneous Data [HotWire Issue 78 (August 2007)]

General Log Linear Model (GLL)

Using ALTA with Multi-Stress Physics of Failure Models [HotWire Issue 90 (August 2008)]
Using the General Log-Linear Model in ALTA PRO for Thermal Cycling [HotWire Issue 184 (June 2016)]

General Renewal Process Model (GRP)

Parametric Recurrent Event Data Analysis and the GRP Model [HotWire Issue 59 (January 2006)]

Generalized Gamma

Generalized Gamma Distribution and Reliability Analysis, The [HotWire Issue 15 (May 2002)]

Gompertz Models

Software Reliability Growth Modeling Using the Standard and Modified Gompertz Models [HotWire Issue 84 (February 2008)]

Goodness of Fit

How Good Is Your Assumed Distribution's Fit? [HotWire Issue 71 (January 2007)]
Verifying the Assumption of a Constant Shape Parameter in Accelerated Life Testing Data [HotWire Issue 16 (June 2002)]

Growth Planning (see Reliability Growth)

GRP Model (see General Renewal Process Model)

Gumbel Distribution

Extreme Value Distributions [HotWire Issue 128 (October 2011)]
Overview of the Gumbel, Logistic, Loglogistic and Gamma Distributions [HotWire Issue 56 (October 2005)]

[Top]

Histograms

Defining Distributions-Part 1: The Probability Density Function [HotWire Issue 12 (February 2002)]

Hypothesis Tests

Type I and Type II Errors and Their Applications [HotWire Issue 88 (June 2008)]

[Top]

Imperfect Repair

Imperfect Repair [HotWire Issue 24 (February 2003)]
Restoration Factors in BlockSim [HotWire Issue 77 (July 2007)]

Importance Measures (see Reliability Importance Measures)

Indicator Variables

Determining the Connection Between Test and Field Reliability [HotWire Issue 54 (August 2005)]
Field Data [HotWire Issue 42 (August 2004)]

Infant Mortality

Bathtub Curve and Product Failure Behavior Part 1 [HotWire Issue 21 (November 2002)]

In-House Testing

Data Collection [HotWire Issue 43 (September 2004)]
Determining the Connection Between Test and Field Reliability [HotWire Issue 54 (August 2005)]
Field Data [HotWire Issue 42 (August 2004)]
Reliability Testing [HotWire Issue 41 (July 2004)]
Using Reliability Information Throughout the Organization [HotWire Issue 13 (March 2002)]

Inspections (Maintenance)

Effect of Inspection Intervals, The [HotWire Issue 28 (June 2003)]
Maintenance Policies in BlockSim [Hotwire Issue 89 (July 2008)]
Modeling a Complex Maintenance Scenario in BlockSim [HotWire Issue 89 (July 2008)]
On-Condition Maintenance Using P-F Interval or Failure Detection Threshold (FDT) [HotWire Issue 76 (June 2007)]

Interval Censored Data

An Example of Using Reliability DOE for Life Testing [HotWire Issue 88 (June 2008)]
Life Data Classifications [Knowledge Base Article]

[Top]

Just-In-Time Philosophy

Using BlockSim 6 for Planning Just-In-Time Ordering of Spare Parts [HotWire Issue 70 (December 2006)]

[Top]

K-out-of-N Redundancy

Using Reliability Block Diagrams to Analyze Dependent and Independent Failure Modes [HotWire Issue 27 (May 2003)]

Kaplan-Meier Estimator

Nonparametric Analysis [HotWire Issue 11 (January 2002)]
Which Analysis Settings Should I Use? [HotWire Issue 1 (March 2001)]

Kolmogorov-Smirnov (KS) Test

Distribution Wizard in Weibull++ 7, The [HotWire Issue 91 (September 2008)]
How Good Is Your Assumed Distribution's Fit? [HotWire Issue 71 (January 2007)]

[Top]

Lab Reliability

Bringing It All Together [HotWire Issue 45 (November 2004)]
Determining the Connection Between Test and Field Reliability [HotWire Issue 54 (August 2005)]
Field Data [HotWire Issue 42 (August 2004)]
Using Reliability Information Throughout the Organization [HotWire Issue 13 (March 2002)]

Lambda Predict Software

Baseline Reliability Prediction at the Early Product Design Stage [HotWire Issue 160 (June 2014)]
Bellcore/Telcordia Reliability Prediction in Lambda Predict [HotWire Issue 152 (October 2013)]
Derating for Electronic Components [HotWire Issue 92 (October 2008)]
Failure Rate of Redundant Configurations in Lambda Predict [HotWire Issue 181 (March 2016)]
Reliability Allocation Using Lambda Predict [HotWire Issue 98 (April 2009)]
Reliability Prediction for Components in Fatigue [Knowledge Base Article]
Reliability Prediction Methods for Electronic Products [Knowledge Base Article]
Standards Based Reliability Prediction: Applicability and Usage to Augment RBDs - Part I: Introduction to Standards Based Reliability Prediction and Lambda Predict [HotWire Issue 50 (April 2005)]
Standards Based Reliability Prediction: Applicability and Usage to Augment RBDs - Part II: The Standards for Reliability Prediction [HotWire Issue 51 (May 2005)]
Standards Based Reliability Prediction: Applicability and Usage to Augment RBDs - Part III: Completing the Picture: Using Lambda Predict to Augment your BlockSim RBDs [HotWire Issue 52 (June 2005)]
Standards Based Reliability Prediction in a Nutshell [HotWire Issue 70 (December 2006)]

Least Squares Method

The Importance of Looking at the Probability Plot When Fitting a Model Using Least Squares Regression [HotWire Issue 185 (July 2016)]
Rank Regression Parameter Estimation [HotWire Issue 10 (December 2001)]

Life-Stress Models

Introduction to the Generalized Eyring Life-Stress Relationship [HotWire Issue 74 (April 2007)]
Introduction to the Temperature-Humidity Model [HotWire Issue 50 (April 2005)]
Look Under the Hood at the Cumulative Damage Model, A [HotWire Issue 23 (January 2003)]
Miner’s Rule and Cumulative Damage Models [HotWire Issue 116 (October 2010)]

Likelihood Function

Can the Likelihood Value be Greater Than 0? [HotWire Issue 92 (October 2008)]
Maximum Likelihood Function [HotWire Issue 33 (November 2003)]

Likelihood Ratio Method

Common Shape Parameter Likelihood Ratio Test [HotWire Issue 45 (November 2004)]
Comparison of Fisher Matrix and Likelihood Ratio Confidence Bound Methods[HotWire Issue 106 (December 2009)]
Contour Plots and Confidence Bounds on Parameters (Part I and II) [HotWire Issue 18 (August 2002)] [HotWire Issue 19 (September 2002)]
Likelihood Ratio Confidence Bounds [HotWire Issue 42 (August 2004)]

Likelihood Value

Can the Likelihood Value be Greater Than 0? [HotWire Issue 92 (October 2008)]
Distribution Wizard in Weibull++ 7, The [HotWire Issue 91 (September 2008)]
How Good Is Your Assumed Distribution's Fit? [HotWire Issue 71 (January 2007)]

Lloyd-Lipow Model

Analyzing Growth Success/Failure and Reliability Data Using the Lloyd Lipow Model [HotWire Issue 83 (January 2008)]
Introduction to Developmental Test Analysis with the Lloyd-Lipow Model [HotWire Issue 52 (June 2005)]

Load Sharing

Determining the Reliability of a System with Load Sharing [HotWire Issue 20 (October 2002)]
Life Data Analysis of Load Sharing Units [HotWire Issue 81 (November 2007)]
Using Reliability Block Diagrams to Analyze Dependent and Independent Failure Modes [HotWire Issue 27 (May 2003)]

Load-Strength Interference

Derating for Electronic Components [HotWire Issue 92 (October 2008)]

Location Parameter

Location Parameter of the Weibull Distribution [HotWire Issue 15 (May 2002)]

Logistic Distribution

Overview of the Gumbel, Logistic, Loglogistic and Gamma Distributions [HotWire Issue 56 (October 2005)]

Logistic Model

Analyzing Success/Failure and Reliability Data Using the Logistic Model [HotWire Issue 82 (December 2007)]

Loglogistic Distribution

Overview of the Gumbel, Logistic, Loglogistic and Gamma Distributions [HotWire Issue 56 (October 2005)]

Lognormal Distribution

Characteristics of the Lognormal Distribution [HotWire Issue 47 (January 2005)]

[Top]

Maintainability

Availability and the Different Ways to Calculate It [HotWire Issue 79 (September 2007)
Estimating Availability Through Simulation [HotWire Issue 8 (October 2001)]
Estimating Mean Time Between Maintenance (MTBM) Using BlockSim [HotWire Issue 147 (May 2013)]
Opportunity Maintenance in BlockSim [Blueprint Issue 2 (August 2018)]
Optimum Preventive Maintenance Replacement Time for a Single Component [Knowledge Base Article]
Optimum Preventive Maintenance Replacement Time in Clusters Using BlockSim [HotWire Issue 156 (February 2014)]
Relationship Between Availability and Reliability [HotWire Issue 26 (April 2003)]

Maintenance Crews

Using Pools and Crews in System Analysis (Part I and II) [HotWire Issue 29 (July 2003)] [HotWire Issue 30 (August 2003)]

Maintenance Logs

Analyzing Maintenance Data with the Event Log Folio in Weibull++[HotWire Issue 130 (December 2011)]
Don’t Let Your Event/Maintenance Log Data Go to Waste [HotWire Issue 68 (October 2006)]

Maintenance Plans

Analysis and Modeling of Grouped and Opportunistic Preventive Maintenance [HotWire Issue 78 (August 2007)]
Choosing the Optimum Maintenance Interval with Weibull++ [HotWire Issue 145 (March 2013)]
Comparing Maintenance Strategies Based on Cost and Availability [Knowledge Base Article]
Modeling Maintenance-induced Failures During the Scheduled Maintenance of a Component Using Reliability Block Diagrams (RBDs) [HotWire Issue 174 (August 2015)]
On-Condition Maintenance Using P-F Interval or Failure Detection Threshold (FDT) [HotWire Issue 76 (June 2007)]
Preventive Maintenance and the Cost Per Unit Time Equation [HotWire Issue 96 (February 2009)]
RCM Perspective on Maintenance, The [HotWire Issue 71 (January 2007)]

Maintenance Policies

Maintenance Policies in BlockSim [Hotwire Issue 89 (July 2008)]
Using Maintenance Policies [HotWire Issue 31 (September 2003)]

Markov Analysis

Using Markov Diagrams in BlockSim for Availability Analysis [HotWire Issue 183 (May 2016)]
Using Markov Diagrams in BlockSim for Reliability Analysis [HotWire Issue 177 (November 2015)]

Maximum Likelihood Estimation (MLE)

Can the Likelihood Value be Greater Than 0? [HotWire Issue 92 (October 2008)]
Comparison of Fisher Matrix and Likelihood Ratio Confidence Bound Methods[HotWire Issue 106 (December 2009)]
Comparison of MLE and Rank Regression When the Data Set Contains Suspensions [HotWire Issue 16 (June 2002)]
Discussion of Maximum Likelihood Estimation for the 3-Parameter Weibull Distribution [HotWire Issue 148 (June 2013)]
Likelihood Ratio Confidence Bounds [HotWire Issue 42 (August 2004)]
Maximum Likelihood Function [HotWire Issue 33 (November 2003)]
MLE Solution for the Location Parameter of the 2-Parameter Exponential Distribution, The [HotWire Issue 123 (May 2011)]
Unbiasing Beta for the Crow-AMSAA NHPP Model [HotWire Issue 141 (November 2012)]
Understanding Biasedness [HotWire Issue 25 (March 2003)]
Which Analysis Settings Should I Use? [HotWire Issue 1 (March 2001)]

Mean Life Function

Characteristics of the Weibull Distribution [HotWire Issue 14 (April 2002)]
Limitations of Using the MTTF as a Reliability Specification [HotWire Issue 32 (October 2003)]

Mean Time Between Maintenance (MTBM)

Estimating Mean Time Between Maintenance (MTBM) Using BlockSim [HotWire Issue 147 (May 2013)]

Mean Time Between Replacements

MTTF, MTBF, Mean Time Between Replacements and MTBF with Scheduled Replacements [HotWire Issue 94 (December 2008)]

Measurement Systems Analysis

Measurement Systems Analysis in DOE++ [HotWire Issue 153 (November 2013)]

Mission Profiles

New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]
Operational Mission Profile Testing in RGA 7 [HotWire Issue 105 (November 2009)]

Mixed Weibull Analysis

Beta Binomial Confidence Bounds on the Mixed Weibull Distribution [HotWire Issue 48 (February 2005)]
Multimodal Analysis [HotWire Issue 12 (February 2002)]

Mixture Designs

Using Mixture Designs in DOE++ [HotWire Issue 180 (February 2016)]

MLE (see Maximum Likelihood Estimation)

Monte Carlo Simulation

A Case Study Using Monte Carlo Simulation for Risk Analysis [HotWire Issue 164 (October 2014)]
Determining Reliability for Complex Systems Part 2 [HotWire Issue 3 (May 2001)]
Estimating Availability Through Simulation [HotWire Issue 8 (October 2001)]
Estimating Reliability Based on Multiple Random Stress Types [HotWire Issue 82 (December 2007)]
Generating Random Numbers from an Exponential Distribution [HotWire Issue 201 (November 2017)]
New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]
A Simple Method for Analyzing a Data Set with Unknown Suspension Times [HotWire Issue 176 (October 2015)]
Solving Complex Probabilistic Problems Through Simulation [Knowledge Base Article]
Using Weibull++ 7 and Monte Carlo Simulation for Probabilistic Design [HotWire Issue 56 (October 2005)]

MSG-3

Creating Initial Scheduled Maintenance Plans: Using the MSG-3 Aircraft Systems and Powerplant Analysis Process to Develop an Initial Scheduled Maintenance Plan [Knowledge Base Article]

MTBF/MTTF

Avoiding a Common Mistake in the Analysis of Repairable Systems [Knowledge Base Article]
Bathtub Curve and Product Failure Behavior Part 2, The [HotWire Issue 22 (December 2002)]
Characterizing Your Product's Reliability [HotWire Issue 32 (October 2003)]
Crow Extended Fleet Analysis [HotWire Issue 109 (March 2010)]
Developmental Testing with Corrective Actions Implemented During the Test and Delayed Fixes [HotWire Issue 36 (February 2004)]
Limitations of the Exponential Distribution for Reliability Analysis [Knowledge Base Article]
Limitations of Using the MTTF as a Reliability Specification [HotWire Issue 32 (October 2003)]
MTTF, MTBF, Mean Time Between Replacements and MTBF with Scheduled Replacements [HotWire Issue 94 (December 2008)]
Reliability Growth Test Planning and Management [HotWire Issue 65 (July 2006)]
Specifications and Product Failure Definitions [HotWire Issue 35 (January 2004)]

Multi-Phase Reliability Growth Analysis

New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]
Operational Mission Profile Testing in RGA 7 [HotWire Issue 105 (November 2009)]
Statistical Tests for Effectiveness of Corrective Actions in RGA 7 [HotWire Issue 107 (January 2010)]

[Top]

Non-Homogeneous Poisson Process (NHPP)

Introduction to the Crow-AMSAA Reliability Growth Model [HotWire Issue 49 (March 2005)]
New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]

Nonparametric Analysis

An Application of BlockSim’s Log of Simulations [HotWire Issue 97 (March 2009)]
Applications of Non-Parametric Recurrent Event Data Analysis in Reliability Engineering [HotWire Issue 57 (November 2005)]
Data Analysis and Reporting [HotWire Issue 44 (October 2004)]
Introduction to Non-Parametric Recurrent Event Data Analysis [HotWire Issue 57 (November 2005)]
Nonparametric Analysis [HotWire Issue 11 (January 2002)]
You Have a Small Data Set: What Do You Do? [HotWire Issue 72 (February 2007)]

Normal Life Period

Bathtub Curve and Product Failure Behavior Part 2 [HotWire Issue 22 (December 2002)]

[Top]

One-Shot Systems

Analyzing Success/Failure Data Using the Crow Discrete Reliability Growth Model [HotWire Issue 81 (November 2007)]

Operating Characteristic Curves

Using OC Curves in Design of Reliability Tests [HotWire Issue 93 (November 2008)]

Optimization (Maintenance Planning)

Optimum Overhaul Time Calculation in RGA, The [HotWire Issue 179 (January 2016)]
Optimum Preventive Maintenance Replacement Time for a Single Component [Knowledge Base Article]
Optimum Preventive Maintenance Replacement Time in Clusters Using BlockSim [HotWire Issue 156 (February 2014)]

Optimization (Reliability Allocation)

Bringing It All Together [HotWire Issue 45 (November 2004)]
Design for Reliability: Overview of the Process and Applicable Techniques [Knowledge Base Article]
Reliability Allocation and Optimization [HotWire Issue 6 (August 2001)]
Reliability Allocation and Optimization Using BlockSim [HotWire Issue 99 (May 2009)]
Using Reliability Information Throughout the Organization [HotWire Issue 13 (March 2002)]

Optimization (Reliability Target)

Calculating Optimal Reliability Using Weibull++'s Target Reliability Tool [HotWire Issue 142 (December 2012)]

Optimization (Throughput)

Analysis and Modeling of Grouped and Opportunistic Preventive Maintenance [HotWire Issue 78 (August 2007)]
Economical Life Model for Repairable Systems [HotWire Issue 64 (June 2006)]
Preventive Maintenance and the Cost Per Unit Time Equation [HotWire Issue 96 (February 2009)]

Orion eAPI Software

Asset Performance Management Using Orion eAPI [HotWire Issue 124 (June 2011)]

[Top]

P-F Intervals

On-Condition Maintenance Using P-F Interval or Failure Detection Threshold (FDT) [HotWire Issue 76 (June 2007)]

Parameter Bounds

Individual and Joint Parameter Bounds in Weibull++ [HotWire Issue 101 (July 2009)]

Parameter Diagrams

Parameter Diagrams [HotWire Issue 199 (September 2017)]

Parameter Estimation

Contour Plots and Confidence Bounds on Parameters (Part I and II) [HotWire Issue 18 (August 2002)] [HotWire Issue 19 (September 2002)]
Comparison of MLE and Rank Regression When the Data Set Contains Suspensions [HotWire Issue 16 (June 2002)]
Discussion of Maximum Likelihood Estimation for the 3-Parameter Weibull Distribution [HotWire Issue 148 (June 2013)]
Maximum Likelihood Function [HotWire Issue 33 (November 2003)]
Median Ranks Calculation for Fractional Failures [HotWire Issue 187 (September 2016)]
Nonparametric Analysis [HotWire Issue 11 (January 2002)]
Probability Plotting [HotWire Issue 8 (October 2001)]
Rank Regression Parameter Estimation [HotWire Issue 10 (December 2001)]
ReliaSoft's Ranking Method [HotWire Issue 26 (April 2003)]
Understanding Biasedness [HotWire Issue 25 (March 2003)]
Using the Cumulative Binomial Equation for Reliability Demonstration Test Design and for Estimating the Parameters of a Data Set with Zero Failures [HotWire Issue 118 (December 2010)]
Which Analysis Settings Should I Use? [HotWire Issue 1 (March 2001)]

Parametric Analysis

An Application of BlockSim’s Log of Simulations [HotWire Issue 97 (March 2009)]
Data Analysis and Reporting [HotWire Issue 44 (October 2004)]
Parametric Recurrent Event Data Analysis and the GRP Model [HotWire Issue 59 (January 2006)]

Path-Tracing Method

Determining Reliability for Complex Systems Part 1 [HotWire Issue 2 (April 2001)]

PDCA

Team-based Problem Solving Methods and XFRACAS [Knowledge Base Article]

Peck Model

Using ALTA with Multi-Stress Physics of Failure Models [HotWire Issue 90 (August 2008)]

Periodical Inspection

Modeling Periodical Inspection and Early Failure Detection in BlockSim [HotWire Issue 62 (April 2006)]

Phase Diagrams (See Reliability Phase Diagrams)

Physics of Failure Methods

Using ALTA with Multi-Stress Physics of Failure Models [HotWire Issue 90 (August 2008)]
Reliability Prediction Methods for Electronic Products [Knowledge Base Article]

Plots

The Importance of Looking at the Probability Plot When Fitting a Model Using Least Squares Regression [HotWire Issue 185 (July 2016)]
Using the Chart Wizard to Create a Custom Plot [HotWire Issue 108 (February 2010)]

Power Law Model

Accelerated Testing with the Inverse Power Law [Knowledge Base Article]
Optimum Overhaul Time Calculation in RGA, The [HotWire Issue 179 (January 2016)]
Practical Methods for Analyzing the Reliability of Repairable Systems [Knowledge Base Article]
Using the Power Law Model for Data Analysis in RGA [HotWire Issue 131 (January 2012)]

Preventive Maintenance (PM)

Analysis and Modeling of Grouped and Opportunistic Preventive Maintenance [HotWire Issue 78 (August 2007)]
Choosing the Optimum Maintenance Interval with Weibull++ [HotWire Issue 145 (March 2013)]
Limitations of the Exponential Distribution for Reliability Analysis [Knowledge Base Article]
Maintenance Policies in BlockSim [Hotwire Issue 89 (July 2008)]
Modeling Periodical Inspection and Early Failure Detection in BlockSim [HotWire Issue 62 (April 2006)]
On-Condition Maintenance Using P-F Interval or Failure Detection Threshold (FDT) [HotWire Issue 76 (June 2007)]
Optimum Maintenance Intervals in RCM++ [HotWire Issue 113 (July 2010)]
Optimum Preventive Maintenance Replacement Time for a Single Component [Knowledge Base Article]
Optimum Preventive Maintenance Replacement Time in Clusters Using BlockSim [HotWire Issue 156 (February 2014)]
Preventive Maintenance and the Cost Per Unit Time Equation [HotWire Issue 96 (February 2009)]

Probabilistic Design

Using Weibull++ 7 and Monte Carlo Simulation for Probabilistic Design [HotWire Issue 56 (October 2005)]

Probability Density Function (pdf)

Characteristics of the Weibull Distribution [HotWire Issue 14 (April 2002)]
Defining Distributions-Part 1: The Probability Density Function [HotWire Issue 12 (February 2002)]
Generating Random Numbers from an Exponential Distribution [HotWire Issue 201 (November 2017)]
Reliability Function, The [HotWire Issue 7 (September 2001)]
Risks of Using Failure Rate to Calculate Reliability Metrics, The [HotWire Issue 196 (June 2017)]

Probability Plots

How Good Is Your Assumed Distribution's Fit? [HotWire Issue 71 (January 2007)]
Probability Plotting [HotWire Issue 8 (October 2001)]
When is it Appropriate to Use/Trust the Distribution Wizard? [HotWire Issue 186 (August 2016)]

Probability Theory

Introduction to Probability Theory [HotWire Issue 25 (March 2003)]

Problem Solving Methods

Team-based Problem Solving Methods and XFRACAS [Knowledge Base Article]
FRACAS: An Essential Ingredient for Reliability Success [HotWire Issue 122 (April 2011)]
FRACAS: From Data Collecting to Problem Solving [HotWire Issue 169 (March 2015)]

Process Optimization

Using DOE++ For Product and Process Optimization [HotWire Issue 100 (June 2009)]
Using Central Composite Design for Process Optimization [HotWire Issue 146 (April 2013)]

Proportional Hazards Model

Determining the Connection Between Test and Field Reliability [HotWire Issue 54 (August 2005)]
Field Data [HotWire Issue 42 (August 2004)]

[Top]

Quality and Reliability

Interaction Between the House of Quality (within Design for Six Sigma) and the FMEA (within Design for Reliability) [HotWire Issue 93 (November 2008)]

Quantitative Accelerated Life Tests (QALT) (see Accelerated Life Testing Data Analysis)

[Top]

Random Stresses

Estimating Reliability Based on Multiple Random Stress Types [HotWire Issue 82 (December 2007)]

Random Variables

Reliability Function, The [HotWire Issue 7 (September 2001)]

Ranks and Rank Regression

Comparison of MLE and Rank Regression When the Data Set Contains Suspensions [HotWire Issue 16 (June 2002)]
Median Rank Based on Mean Order Number [HotWire Issue 104 (October 2009)]
Median Ranks Calculation for Fractional Failures [HotWire Issue 187 (September 2016)]
Rank Regression Parameter Estimation [HotWire Issue 10 (December 2001)]
Which Analysis Settings Should I Use? [HotWire Issue 1 (March 2001)]

RBI Software

Design Comparison Using Risk Based Inspection (RBI) [HotWire Issue 161 (July 2014)]
Introduction to Risk Based Inspection (RBI) [HotWire Issue 151 (September 2013)]

RCM++ Software

Basic Steps of Applying Reliability Centered Maintenance (RCM) – Part I, II and III [HotWire Issue 72 (February 2007)] [HotWire Issue 73 (March 2007)] [HotWire Issue 76 (June 2007)]
Comparing Maintenance Strategies Based on Cost and Availability [Knowledge Base Article]
On-Condition Maintenance Using P-F Interval or Failure Detection Threshold (FDT) [HotWire Issue 76 (June 2007)]
Optimum Maintenance Intervals in RCM++ [HotWire Issue 113 (July 2010)]
Preventive Maintenance and the Cost Per Unit Time Equation [HotWire Issue 96 (February 2009)]
RCM Perspective on Maintenance, The [HotWire Issue 71 (January 2007)]
Using FMEA Templates to Speed Up and Improve the Quality of FMEA or RCM Analyses [HotWire Issue 77 (July 2007)]
Using FMRA to Estimate Baseline Reliability [HotWire Issue 135 (May 2012)]
Using the New Change Log Utility in Xfmea or RCM++ [HotWire Issue 69 (November 2006)]

Recurrent Events Data Analysis

Applications of Non-Parametric Recurrent Event Data Analysis in Reliability Engineering [HotWire Issue 57 (November 2005)]
Incorporating Recurrent Event Data Analysis in Reliability Block Diagrams [HotWire Issue 170 (April 2015)]
Introduction to Non-Parametric Recurrent Event Data Analysis [HotWire Issue 57 (November 2005)]
Parametric Recurrent Event Data Analysis and the GRP Model [HotWire Issue 59 (January 2006)]

Reliability Allocation

Reliability Allocation and Optimization [HotWire Issue 6 (August 2001)]
Reliability Allocation and Optimization Using BlockSim [HotWire Issue 99 (May 2009)]
Reliability Allocation Using Lambda Predict [HotWire Issue 98 (April 2009)]
Using Reliability Allocation Analysis to Set Component Specifications [HotWire Issue 139 (September 2012)]

Reliability Block Diagrams

Advanced RBD Modeling Using State Change Triggers [HotWire Issue 134 (April 2012)]
Analyzing Failure Modes Using RBDs in Weibull++ [HotWire Issue 128 (October 2011)]
Comparison of RBD and Fault Tree Simulation [HotWire Issue 44 (October 2004)]
Determining the Reliability of a System with Load Sharing [HotWire Issue 20 (October 2002)]
Determining the Reliability of a System with Standby Redundancy [HotWire Issue 21 (November 2002)]
Determining Reliability for Complex Systems Part 1 [HotWire Issue 2 (April 2001)]
Determining Reliability for Complex Systems Part 2 [HotWire Issue 3 (May 2001)]
Difference Between Physical and Reliability-Wise Arrangement [HotWire Issue 20 (October 2002)]
Estimating Availability Through Simulation [HotWire Issue 8 (October 2001)]
Expanded Algebraic Solutions for RBDs and FTDs [HotWire Issue 33 (November 2003)]
Failure Rate of a Series System Using Weibull++ [HotWire Issue 108 (February 2010)]
How to Simplify Complex RBDs with a Commonly Used Distribution [HotWire Issue 68 (October 2006)]
How Long Should You Burn In a System? (Part II) [HotWire Issue 103 (September 2009)]
Minimal Cut Sets [HotWire Issue 63 (May 2006)]
Modeling Maintenance-induced Failures During the Scheduled Maintenance of a Component Using Reliability Block Diagrams (RBDs) [HotWire Issue 174 (August 2015)]
Parametric Models for Common Cause Failure Analysis [HotWire Issue 125 (July 2011)]
Reliability of Standby Systems with a Switching Device [HotWire Issue 22 (December 2002)]
Sensitivity Analysis Using Simulation Worksheets in BlockSim and DOE++ [HotWire Issue 158 (April 2014)]
Throughput Analysis (Part I and II) [HotWire Issue 27 (May 2003)] [HotWire Issue 28 (June 2003)]
Using Pools and Crews in System Analysis (Part I) [HotWire Issue 29 (July 2003)]
Using Pools and Crews in System Analysis (Part II) [HotWire Issue 30 (August 2003)]
Using Reliability Allocation Analysis to Set Component Specifications [HotWire Issue 139 (September 2012)]
Using Reliability Block Diagrams to Analyze Dependent and Independent Failure Modes [HotWire Issue 27 (May 2003)]
Using the Fault Tree Method for Dependent and Independent Failure Modes [HotWire Issue 29 (July 2003)]

Reliability Centered Maintenance

Basic Steps of Applying Reliability Centered Maintenance (RCM) – Part I, II and III [HotWire Issue 72 (February 2007)] [HotWire Issue 73 (March 2007)] [HotWire Issue 76 (June 2007)]
Comparing Maintenance Strategies Based on Cost and Availability [Knowledge Base Article]
On-Condition Maintenance Using P-F Interval or Failure Detection Threshold (FDT) [HotWire Issue 76 (June 2007)]
RCM Perspective on Maintenance, The [HotWire Issue 71 (January 2007)]
Reliability Centered Maintenance (RCM) - A Cost Saving Measure [HotWire Issue 126 (August 2011)]

Reliability Data Warehouse (RDW)

Using the Synthesis API to Transfer Data to a Synthesis Repository [HotWire Issue 157 (March 2014)]

Reliability Demonstration Tests

Demonstrating a Difference in Life Using the Difference Detection Matrix [HotWire Issue 137 (July 2012)]
Reliability Demonstration Tests for Repairable Systems [HotWire Issue 106 (December 2009)]
Sequential Probability Ratio Test for Reliability Demonstration [HotWire Issue 162 (August 2014)]
Understanding the Effect of the Beta Parameter on Demonstration Testing [HotWire Issue 165 (November 2014)]
Using the Cumulative Binomial Equation for Reliability Demonstration Test Design and for Estimating the Parameters of a Data Set with Zero Failures [HotWire Issue 118 (December 2010)]

Reliability DOE

An Example of Using Reliability DOE for Life Testing [HotWire Issue 88 (June 2008)]
Applying Reliability DOE Techniques to Investigate Effects on Product Life [Knowledge Base Article]
Hands On: Reliability DOE with Covariates [HotWire Issue 99 (May 2009)]
Improving Product Reliability Using Design of Experiments [HotWire Issue 155 (January 2014)]
Residual Plots for Lifetime Distributions [HotWire Issue 87 (May 2008)]

Reliability Function

Characteristics of the Weibull Distribution [HotWire Issue 14 (April 2002)]
Characterizing Your Product's Reliability [HotWire Issue 32 (October 2003)]
Reliability Function, The [HotWire Issue 7 (September 2001)]
Risks of Using Failure Rate to Calculate Reliability Metrics, The [HotWire Issue 196 (June 2017)]

Reliability Growth

Analyzing Growth Success/Failure and Reliability Data Using the Lloyd Lipow Model [HotWire Issue 83 (January 2008)]
Analyzing Success/Failure Data Using the Crow Discrete Reliability Growth Model [HotWire Issue 81 (November 2007)]
Analyzing Success/Failure and Reliability Data Using the Logistic Model [HotWire Issue 82 (December 2007)]
Build Equivalent Single System During Reliability Growth Testing [HotWire Issue 112 (June 2010)]
Bringing It All Together [HotWire Issue 45 (November 2004)]
Change of Slope Methodology in Reliability Growth Analysis, The [Knowledge Base Article]
Common Beta Hypothesis Test In Reliability Growth and Repairable Systems Analysis [HotWire Issue 61 (March 2006)]
Confidence Bounds in Reliability Growth Planning [HotWire Issue 143 (January 2013)]
Developmental Testing with Corrective Actions Implemented During the Test and Delayed Fixes [HotWire Issue 36 (February 2004)]
Fielded Systems in Reliability Growth (Part I and II) [HotWire Issue 40 (June 2004)] [HotWire Issue 41 (July 2004)]
Foundations of Reliability [HotWire Issue 39 (May 2004)]
Introduction to Reliability Growth [HotWire Issue 39 (May 2004)]
New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]
Operational Mission Profile Testing in RGA 7 [HotWire Issue 105 (November 2009)]
Reliability Demonstration Tests for Repairable Systems [HotWire Issue 106 (December 2009)]
Reliability Growth Analysis and Plots [Knowledge Base Article]
Reliability Growth Analysis with Missing or Erroneous Data [HotWire Issue 78 (August 2007)]
Reliability Growth Planning [HotWire Issue 119 (January 2011)]
Reliability Growth Test Planning and Management [HotWire Issue 65 (July 2006)]
Software Reliability Growth [HotWire Issue 37 (March 2004)]
Software Reliability Growth Modeling Using the Standard and Modified Gompertz Models [HotWire Issue 84 (February 2008)]
Unbiasing Beta for the Crow-AMSAA NHPP Model [HotWire Issue 141 (November 2012)]
Using Reliability Information Throughout the Organization [HotWire Issue 13 (March 2002)]
Using the Power Law Model for Data Analysis in RGA [HotWire Issue 131 (January 2012)]

Reliability Importance Measures

Reliability Importance Measures of Components in a Complex System - Identifying the 20% in the 80/20 Rule [HotWire Issue 66 (August 2006)]

Reliability of Electronic Products

Reliability Prediction Methods for Electronic Products [Knowledge Base Article]

Reliability Phase Diagrams

Modeling Nonlinear Systems in Reliability Phase Simulation [HotWire Issue 135 (May 2012)]
Phase Analysis with Complex Diagrams [HotWire Issue 118 (December 2010)]
Time Varying and Multi-Phase Throughput Analysis [HotWire Issue 79 (September 2007)]

Reliability Prediction (see Standards Based Reliability Prediction)

Reliability Program

Bringing It All Together [HotWire Issue 45 (November 2004)]
Challenges in Selecting an Integrated Enterprise-wide Reliability Solution: An IT Perspective [HotWire Issue 132 (February 2012)]
Characterising the Reliability of a Blower System for Medical Devices [HotWire Issue 190 (December 2016)]
Design for Reliability: Overview of the Process and Applicable Techniques [Knowledge Base Article]
Fostering a Culture of Reliability [HotWire Issue 10 (December 2001)]
Introduction to Reliability Growth [HotWire Issue 39 (May 2004)]
Starting a Reliability Journey: A Guide to Initiating Reliability Within Your Organization [HotWire Issue 173 (July 2015)]
Using Reliability Information Throughout the Organization [HotWire Issue 13 (March 2002)]

Reliability Specifications

Bathtub Curve and Product Failure Behavior Part 2, The [HotWire Issue 22 (December 2002)]
Cumulative Binomial for Test Design and Analysis [Knowledge Base Article]
Developing Good Reliability Specifications [HotWire Issue 3 (May 2001)]
Limitations of Using the MTTF as a Reliability Specification [HotWire Issue 32 (October 2003)]
Reliability Allocation and Optimization [HotWire Issue 6 (August 2001)]
Reliability Function, The [HotWire Issue 7 (September 2001)]
Reliability Requirements and Specifications [HotWire Issue 80 (October 2007)]
Specifications and Product Failure Definitions [HotWire Issue 35 (January 2004)]

Reliability Testing

Bayesian Reliability Demonstration Test Design [HotWire Issue 136 (June 2012)]
Cumulative Binomial for Test Design and Analysis [Knowledge Base Article]
Demonstrating a Difference in Life Using the Difference Detection Matrix [HotWire Issue 137 (July 2012)]
Determining the Sample Size for a Life Test Based on the Shape Parameter of the Weibull Distribution [HotWire Issue 126 (August 2011)]
Reliability Test Design: Linking Fatigue and Reliability [HotWire Issue 197 (July 2017)]
Sources of Reliability Data: Field Data [HotWire Issue 6 (August 2001)]
Sources of Reliability Data: Reliability Testing Basics [HotWire Issue 5 (July 2001)]
Using Simulation to Design Reliability Demonstration Tests [HotWire Issue 60 (February 2006)]
Using SimuMatic in RGA [HotWire Issue 129 (November 2011)]

RENO Software

A Case Study Using Monte Carlo Simulation for Risk Analysis [HotWire Issue 164 (October 2014)]
Beyond Event Trees – Using RENO for Static and Dynamic Event Graphs [HotWire Issue 159 (May 2014)]
Estimating Failures for a Fleet of Vehicles with Different Configurations [HotWire Issue 198 (August 2017)]
A Method for Estimating Bounds on System Reliability in the Absence of Times-to-Failure Data [HotWire Issue 195 (May 2017)]
Modeling Event Trees in RENO [HotWire Issue 63 (May 2006)]
Probabilistic Event and Risk Analysis with RENO [HotWire Issue 61 (March 2006)]
Quantitative Risk Analysis Using Simulation [HotWire Issue 154 (December 2013)]
Solving Complex Probabilistic Problems Through Simulation [Knowledge Base Article]
Truncation of the Integral Used in the Comparison Wizard in Weibull++: Part I and II [HotWire Issue 125 (July 2011)] [HotWire Issue 127 (September 2011)]
Using Spreadsheets in RENO [HotWire Issue 102 (August 2009)]
Using RENO to Enhance Traditional Engineering Analysis [HotWire Issue 114 (August 2010)]
Using RENO to Examine Interval Width [HotWire Issue 127 (September 2011)]

Repair Data

Reliability Growth Analysis and Plots [Knowledge Base Article]

Repairable Systems

Analyzing Excess System Downtime Through System Modeling [HotWire Issue 80 (October 2007)]
Analyzing Warranty Data of Repairable Systems [HotWire Issue 64 (June 2006)]
Common Beta Hypothesis Test In Reliability Growth and Repairable Systems Analysis [HotWire Issue 61 (March 2006)]
Economical Life Model for Repairable Systems [HotWire Issue 64 (June 2006)]
Incorporating Recurrent Event Data Analysis in Reliability Block Diagrams [HotWire Issue 170 (April 2015)]
Modeling Maintenance-induced Failures During the Scheduled Maintenance of a Component Using Reliability Block Diagrams (RBDs) [HotWire Issue 174 (August 2015)]
New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]
Parametric Recurrent Event Data Analysis and the GRP Model [HotWire Issue 59 (January 2006)]
Practical Methods for Analyzing the Reliability of Repairable Systems [Knowledge Base Article]
Predicting the Number of Failures for Repairable Systems [HotWire Issue 132 (February 2012)]
Reliability Demonstration Tests for Repairable Systems [HotWire Issue 106 (December 2009)]
Reliability Importance Measures of Components in a Complex System - Identifying the 20% in the 80/20 Rule [HotWire Issue 66 (August 2006)]
Unbiasing Beta for the Crow-AMSAA NHPP Model [HotWire Issue 141 (November 2012)]

Replacement Times

Optimum Preventive Maintenance Replacement Time for a Single Component [Knowledge Base Article]
Optimum Preventive Maintenance Replacement Time in Clusters Using BlockSim [HotWire Issue 156 (February 2014)]

Residual Plots

Residual Plots for Lifetime Distributions [HotWire Issue 87 (May 2008)]
Residual Plots in Accelerated Life Testing Data Analysis [HotWire Issue 105 (November 2009)]
Utilizing Residual Plots in Accelerated Life Testing Data Analysis [HotWire Issue 51 (May 2005)]

Restoration Factor

Imperfect Repair [HotWire Issue 24 (February 2003)]
Restoration Factors in BlockSim [HotWire Issue 77 (July 2007)]

Revision Control

Using the New Change Log Utility in Xfmea or RCM++ [HotWire Issue 69 (November 2006)]

RGA Software

Analyzing Growth Success/Failure and Reliability Data Using the Lloyd Lipow Model [HotWire Issue 83 (January 2008)]
Analyzing Success/Failure Data Using the Crow Discrete Reliability Growth Model [HotWire Issue 81 (November 2007)]
Analyzing Success/Failure and Reliability Data Using the Logistic Model [HotWire Issue 82 (December 2007)]
Analyzing Warranty Data of Repairable Systems [HotWire Issue 64 (June 2006)]
Build Equivalent Single System During Reliability Growth Testing [HotWire Issue 112 (June 2010)]
Common Beta Hypothesis Test In Reliability Growth and Repairable Systems Analysis [HotWire Issue 61 (March 2006)]
Confidence Bounds in Reliability Growth Planning [HotWire Issue 143 (January 2013)]
Crow Extended Fleet Analysis [HotWire Issue 109 (March 2010)]
Developmental Testing with Corrective Actions Implemented During the Test and Delayed Fixes [HotWire Issue 36 (February 2004)]
Economical Life Model for Repairable Systems [HotWire Issue 64 (June 2006)]
Fielded Systems in Reliability Growth (Part I) [HotWire Issue 40 (June 2004)]
Fielded Systems in Reliability Growth (Part II) [HotWire Issue 41 (July 2004)]
Forecasting Underground Electric Cable Faults Using the Crow-AMSAA Model [HotWire Issue 115 (September 2010)]
Introduction to Developmental Test Analysis with the Lloyd-Lipow Model [HotWire Issue 52 (June 2005)]
Introduction to Reliability Growth [HotWire Issue 39 (May 2004)]
Introduction to the Crow-AMSAA Reliability Growth Model [HotWire Issue 49 (March 2005)]
MTTF, MTBF, Mean Time Between Replacements and MTBF with Scheduled Replacements [HotWire Issue 94 (December 2008)]
New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]
Operational Mission Profile Testing in RGA 7 [HotWire Issue 105 (November 2009)]
Optimum Overhaul Time Calculation in RGA, The [HotWire Issue 179 (January 2016)]
Predicting the Number of Failures for Repairable Systems [HotWire Issue 132 (February 2012)]
Reliability Growth Analysis and Plots [Knowledge Base Article]
Reliability Growth Analysis with Missing or Erroneous Data [HotWire Issue 78 (August 2007)]
Reliability Growth Planning [HotWire Issue 119 (January 2011)]
Software Reliability Growth [HotWire Issue 37 (March 2004)]
Software Reliability Growth Modeling Using the Standard and Modified Gompertz Models [HotWire Issue 84 (February 2008)]
Statistical Tests for Effectiveness of Corrective Actions in RGA 7 [HotWire Issue 107 (January 2010)]
Change of Slope Methodology in Reliability Growth Analysis, The [Knowledge Base Article]
Unbiasing Beta for the Crow-AMSAA NHPP Model [HotWire Issue 141 (November 2012)]
Using the Power Law Model for Data Analysis in RGA [HotWire Issue 131 (January 2012)]

Right Censored Data

Life Data Classifications [Knowledge Base Article]

Risk Analysis

A Case Study Using Monte Carlo Simulation for Risk Analysis [HotWire Issue 164 (October 2014)]
Beyond Event Trees – Using RENO for Static and Dynamic Event Graphs [HotWire Issue 159 (May 2014)]
Complex Risk Analysis of System-Level Effects [HotWire Issue 133 (March 2012)]
Modeling Event Trees in RENO [HotWire Issue 63 (May 2006)]
Probabilistic Event and Risk Analysis with RENO [HotWire Issue 61 (March 2006)]
Quantitative Risk Analysis Using Simulation [HotWire Issue 154 (December 2013)]

Risk Based Inspection

Design Comparison Using Risk Based Inspection (RBI) [HotWire Issue 161 (July 2014)]
Introduction to Risk Based Inspection (RBI) [HotWire Issue 151 (September 2013)]

Risk Discovery

FMEA Corner: Preliminary Risk Assessment [HotWire Issue 163 (September 2014)]
Risk Discovery Analysis in Xfmea [HotWire Issue 111 (May 2010)]

Risk Priority Numbers

Examining Risk Priority Numbers in FMEA [Knowledge Base Article]
Failure Modes, Effects and Criticality Analysis [Knowledge Base Article]
Using Risk Ranking Logic in FMEAs [HotWire Issue 192 (February 2017)]

Robust Design

A Response Surface Approach for Robust Parameter Design [HotWire Issue 136 (June 2012)]
Taguchi Robust Design for Product Improvement: Part I and II [HotWire Issue 122 (April 2011)] [HotWire Issue 123 (May 2011)]

[Top]

Safety Margin

Derating for Electronic Components [HotWire Issue 92 (October 2008)]

Scheduled Maintenance Plans

Creating Initial Scheduled Maintenance Plans: Using the MSG-3 Aircraft Systems and Powerplant Analysis Process to Develop an Initial Scheduled Maintenance Plan [Knowledge Base Article]
Comparing Maintenance Strategies Based on Cost and Availability [Knowledge Base Article]

Sensitivity Analysis

Sensitivity Analysis Using Simulation Worksheets in BlockSim and DOE++ [HotWire Issue 158 (April 2014)]

SEP Website

Improve corporate-wide FMEA collaboration with SEP website [Blueprint Issue 2 (August 2018)]

Sequential Probability Ratio Test

Sequential Probability Ratio Test for Reliability Demonstration [HotWire Issue 162 (August 2014)]

Series Configuration

Failure Rate of a Series System Using Weibull++ [HotWire Issue 108 (February 2010)]

Simple Actuarial Method

Nonparametric Analysis [HotWire Issue 11 (January 2002)]

Simulation

A Case Study Using Monte Carlo Simulation for Risk Analysis [HotWire Issue 164 (October 2014)]
Determining Reliability for Complex Systems Part 2 [HotWire Issue 3 (May 2001)]
Estimating Availability Through Simulation [HotWire Issue 8 (October 2001)]
Overview of BlockSim 6 Containers in Simulation [HotWire Issue 31 (September 2003)]
Sensitivity Analysis Using Simulation Worksheets in BlockSim and DOE++ [HotWire Issue 158 (April 2014)]
Steps in a System Reliability, Availability and Maintainability Simulation Analysis [HotWire Issue 103 (September 2009)]
Throughput Analysis (Part I and II) [HotWire Issue 27 (May 2003)] [HotWire Issue 28 (June 2003)]
Using Maintenance Policies [HotWire Issue 31 (September 2003)]
Using Simulation to Design Reliability Demonstration Tests [HotWire Issue 60 (February 2006)]
Using Simulation to Determine the Required Spare Parts for Fielded Systems [HotWire Issue 129 (November 2011)]
Using SimuMatic in RGA [HotWire Issue 129 (November 2011)]
Using Weibull++ 7 and Monte Carlo Simulation for Probabilistic Design [HotWire Issue 56 (October 2005)]
see also Flowchart Simulation

SimuMatic

Determining the Sample Size for a Life Test Based on the Shape Parameter of the Weibull Distribution [HotWire Issue 126 (August 2011)]
Evaluation of Life Test Plans with Different Censoring Schemes [HotWire Issue 191 (January 2017)]
New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis [HotWire Issue 104 (October 2009)]
Sources of Reliability Data: Reliability Testing Basics [HotWire Issue 5 (July 2001)]
Sources of Reliability Data: Field Data [HotWire Issue 6 (August 2001)]
Sources of Reliability Data: Reliability Testing Basics [HotWire Issue 5 (July 2001)]
Understanding Biasedness [HotWire Issue 25 (March 2003)]
Using Simulation to Design Reliability Demonstration Tests [HotWire Issue 60 (February 2006)]
Using SimuMatic in RGA [HotWire Issue 129 (November 2011)]
Which Analysis Settings Should I Use? [HotWire Issue 1 (March 2001)]

Six Sigma

Interaction Between the House of Quality (within Design for Six Sigma) and the FMEA (within Design for Reliability) [HotWire Issue 93 (November 2008)]
Team-based Problem Solving Methods and XFRACAS [Knowledge Base Article]

Small Data Sets

Using Multiple Reliability Tools to Augment Limited Data [HotWire Issue 97 (March 2009)]
You Have a Small Data Set: What Do You Do? [HotWire Issue 72 (February 2007)]

Software Reliability

Software Reliability Growth [HotWire Issue 37 (March 2004)]
Software Reliability Growth Modeling Using the Standard and Modified Gompertz Models [HotWire Issue 84 (February 2008)]

Spare Part Pools

Sensitivity Analysis Using Simulation Worksheets in BlockSim and DOE++ [HotWire Issue 158 (April 2014)]
Using BlockSim 6 for Planning Just-In-Time Ordering of Spare Parts [HotWire Issue 70 (December 2006)]
Using Off-Site Spare Part Stocks to Maintain Systems [HotWire Issue 75 (May 2007)]
Using Pools and Crews in System Analysis (Part II) [HotWire Issue 30 (August 2003)]
Using Simulation to Determine the Required Spare Parts for Fielded Systems [HotWire Issue 129 (November 2011)]

SPC (see Statistical Process Control)

Specifications (see Reliability Specifications)

Standard Actuarial Method

Nonparametric Analysis [HotWire Issue 11 (January 2002)]

Standards Based Reliability Prediction

Bellcore/Telcordia Reliability Prediction in Lambda Predict [HotWire Issue 152 (October 2013)]
Reliability Prediction for Components in Fatigue [Knowledge Base Article]
Reliability Prediction Methods for Electronic Products [Knowledge Base Article]
Standards Based Reliability Prediction: Applicability and Usage to Augment RBDs - Part I: Introduction to Standards Based Reliability Prediction and Lambda Predict [HotWire Issue 50 (April 2005)]
Standards Based Reliability Prediction: Applicability and Usage to Augment RBDs - Part II: The Standards for Reliability Prediction [HotWire Issue 51 (May 2005)]
Standards Based Reliability Prediction: Applicability and Usage to Augment RBDs - Part III: Completing the Picture: Using Lambda Predict to Augment your BlockSim RBDs [HotWire Issue 52 (June 2005)]
Standards Based Reliability Prediction in a Nutshell [HotWire Issue 70 (December 2006)]

Standby Redundancy

Determining the Reliability of a System with Standby Redundancy [HotWire Issue 21 (November 2002)]
Reliability of Standby Systems with a Switching Device [HotWire Issue 22 (December 2002)]
Using BlockSim to Analyze a Non-Repairable Standby Function Unit [HotWire Issue 150 (August 2013)]
Using Reliability Block Diagrams to Analyze Dependent and Independent Failure Modes [HotWire Issue 27 (May 2003)]
Using State Change Triggers to Model Dependent Events with Delay in BlockSim 8 [HotWire Issue 140 (October 2012)]

State Change Triggers

Advanced RBD Modeling Using State Change Triggers [HotWire Issue 134 (April 2012)]
Using BlockSim to Analyze a Non-Repairable Standby Function Unit [HotWire Issue 150 (August 2013)]
Using State Change Triggers to Model Dependent Events with Delay in BlockSim 8 [HotWire Issue 140 (October 2012)]

Statistical Intervals

Statistical Intervals [HotWire Issue 194 (April 2017)]

Statistical Process Control (SPC)

Monitoring Warranty Returns Using Statistical Process Control (SPC) [HotWire Issue 58 (December 2005)]

Step-Stress Profile

Analyzing Step-Stress Data [HotWire Issue 4 (June 2001)]
Degradation Analysis in Step-Stress Accelerated Testing [HotWire Issue 65 (July 2006)]
Introduction to Accelerated Testing Types [Knowledge Base Article]
Look Under the Hood at the Cumulative Damage Model, A [HotWire Issue 23 (January 2003)]
Looking at Thermal Cycling Data in Quantitative Accelerated Life Testing [HotWire Issue 19 (September 2002)]

Stress Profiles

Analyzing Step-Stress Data [HotWire Issue 4 (June 2001)]
Calibrated Accelerated Life Testing (CALT) with Time Varying Stress Profiles [Knowledge Base Article]
How to Define a Complicated Stress Profile [HotWire Issue 87 (May 2008)]
Introduction to Accelerated Testing Types [Knowledge Base Article]
Look Under the Hood at the Cumulative Damage Model, A [HotWire Issue 23 (January 2003)]
Looking at Thermal Cycling Data in Quantitative Accelerated Life Testing [HotWire Issue 19 (September 2002)]
Two Methods for Analyzing Time-Varying Stress Data in ALTA [HotWire Issue 182 (April 2016)]

Stress-Strength Interference Analysis

Confidence Intervals on Stress-Strength Analysis in Weibull++ [HotWire Issue 163 (September 2014)]
Reliability Estimation for Products with Random Usage [HotWire Issue 168 (February 2015)]

Success/Failure Data

Analyzing Growth Success/Failure and Reliability Data Using the Lloyd Lipow Model [HotWire Issue 83 (January 2008)]
Analyzing Success/Failure Data Using the Crow Discrete Reliability Growth Model [HotWire Issue 81 (November 2007)]
Analyzing Success/Failure and Reliability Data Using the Logistic Model [HotWire Issue 82 (December 2007)]

Sudden Death Testing Data

Analyzing Sudden Death Testing Data [HotWire Issue 5 (July 2001)]

Suspension Data

Comparison of MLE and Rank Regression When the Data Set Contains Suspensions [HotWire Issue 16 (June 2002)]
Life Data Classifications [Knowledge Base Article]
Maximum Likelihood Estimation [HotWire Issue 9 (November 2001)]
Maximum Likelihood Function [HotWire Issue 33 (November 2003)]
A Simple Method for Analyzing a Data Set with Unknown Suspension Times [HotWire Issue 176 (October 2015)]
Unbiasing Parameters in Weibull++ [HotWire Issue 109 (March 2010)]

Synthesis Platform

Complex Risk Analysis of System-Level Effects [HotWire Issue 133 (March 2012)]
Using the Synthesis API to Transfer Data to a Synthesis Repository [HotWire Issue 157 (March 2014)]

System Analysis (Reliability, Availability, etc.)

Complex Risk Analysis of System-Level Effects [HotWire Issue 133 (March 2012)]
Component Reliability Importance in System Reliability Analysis [HotWire Issue 62 (April 2006)]
Determining the Reliability of a System with Load Sharing [HotWire Issue 20 (October 2002)]
Determining the Reliability of a System with Standby Redundancy [HotWire Issue 21 (November 2002)]
Determining Reliability for Complex Systems Part 1 [HotWire Issue 2 (April 2001)]
Determining Reliability for Complex Systems Part 2 [HotWire Issue 3 (May 2001)]
Estimating Failures for a Fleet of Vehicles with Different Configurations [HotWire Issue 198 (August 2017)]
Introduction to Probability Theory [HotWire Issue 25 (March 2003)]
A Method for Estimating Bounds on System Reliability in the Absence of Times-to-Failure Data [HotWire Issue 195 (May 2017)]
Phase Analysis with Complex Diagrams [HotWire Issue 118 (December 2010)]
Reliability Allocation and Optimization [HotWire Issue 6 (August 2001)]
Reliability Requirements and Specifications [HotWire Issue 80 (October 2007)]
Sensitivity Analysis Using Simulation Worksheets in BlockSim and DOE++ [HotWire Issue 158 (April 2014)]
Using Duty Cycles in System Reliability Analysis [HotWire Issue 74 (April 2007)]
Using BlockSim for System Capability Analysis [HotWire Issue 91 (September 2008)]
Using Pools and Crews in System Analysis (Part I and II) [HotWire Issue 29 (July 2003)] [HotWire Issue 30 (August 2003)]
Using Maintenance Policies [HotWire Issue 31 (September 2003)]

System Throughput (see Throughput Analysis)

[Top]

Tangible Asset Valuation

Financial Applications for Weibull Analysis [HotWire Issue 35 (January 2004)]

Telcordia Reliability Prediction Standards (See Bellcore/Telcordia Reliability Prediction Standards)

Terminal Servers

Challenges in Selecting an Integrated Enterprise-wide Reliability Solution: An IT Perspective [HotWire Issue 132 (February 2012)]
Is Enterprise-wide, Web-based Software Right for You? It Depends on the Application! [Knowledge Base Article]

Throughput Analysis

Throughput Analysis (Part I and II) [HotWire Issue 27 (May 2003)]
Time Varying and Multi-Phase Throughput Analysis [HotWire Issue 79 (September 2007)]
Using BlockSim for System Capability Analysis [HotWire Issue 91 (September 2008)]

Time-Varying Stress Profiles

Analyzing Step-Stress Data [HotWire Issue 4 (June 2001)]
Expanded Models for Accelerated Life Test Analysis with Time-Varying Stresses [HotWire Issue 75 (May 2007)]
Looking at Thermal Cycling Data in Quantitative Accelerated Life Testing [HotWire Issue 19 (September 2002)]
Introduction to Accelerated Testing Types [Knowledge Base Article]
Two Methods for Analyzing Time-Varying Stress Data in ALTA [HotWire Issue 182 (April 2016)]

[Top]

Unbalanced Designs

Using DOE++ to Analyze Unbalanced Designs [HotWire Issue 94 (December 2008)]

Usage Data

Reliability Estimation for Products with Random Usage [HotWire Issue 168 (February 2015)]
Usage-Based Warranty Analysis [HotWire Issue 73 (March 2007)]

[Top]

Valuation of Intangible Assets

Financial Applications for Weibull Analysis [HotWire Issue 35 (January 2004)]

Variability

An Application of BlockSim’s Log of Simulations [HotWire Issue 97 (March 2009)]
Variability Analysis in DOE++ and its Application [HotWire Issue 101 (July 2009)]
Using RENO to Enhance Traditional Engineering Analysis [HotWire Issue 114 (August 2010)]

Variable Throughput

Time Varying and Multi-Phase Throughput Analysis [HotWire Issue 79 (September 2007)]

Variations in Process

Process Variation and Capability Assessment [HotWire Issue 66 (August 2006)]

[Top]

Warranty Analysis

Analysis of Non-Homogeneous Warranty Data [HotWire Issue 59 (January 2006)]
Analysis of Automotive Warranty Data in the Mileage Domain [Knowledge Base Article]
A Pro-rata Warranty Model for Non-Repairable Products [HotWire Issue 100 (June 2009)]
Determine Lab Test Target Based on Warranty Reliability Requirement [HotWire Issue 171 (May 2015)]
Estimating Failures for a Fleet of Vehicles with Different Configurations [HotWire Issue 198 (August 2017)]
Life Data Analysis with Zero-Time (Out-Of-The-Box) Failures [HotWire Issue 83 (January 2008)]
Monitoring Warranty Returns Using Statistical Process Control (SPC) [HotWire Issue 58 (December 2005)]
Predicting Warranty Returns [HotWire Issue 36 (February 2004)]
Predicting Warranty Returns in Weibull++ 7 [HotWire Issue 119 (January 2011)]
Reliability Estimation for Products with Random Usage [HotWire Issue 168 (February 2015)]
Sources of Reliability Data: Field Data [HotWire Issue 6 (August 2001)]
Truncation of the Integral Used in the Comparison Wizard in Weibull++: Part I and II [HotWire Issue 125 (July 2011)] [HotWire Issue 127 (September 2011)]
Usage-Based Warranty Analysis [HotWire Issue 73 (March 2007)]
Using RENO to Examine Interval Width [HotWire Issue 127 (September 2011)]
Using Warranty Return Data to Compare Different Product Designs [HotWire Issue 49 (March 2005)]

Wearout

Bathtub Curve and Product Failure Behavior Part 2, The [HotWire Issue 22 (December 2002)]
Economical Life Model for Repairable Systems [HotWire Issue 64 (June 2006)]

Web-based Software

Challenges in Selecting an Integrated Enterprise-wide Reliability Solution: An IT Perspective [HotWire Issue 132 (February 2012)]
Is Enterprise-wide, Web-based Software Right for You? It Depends on the Application! [Knowledge Base Article]

Weibull-Bayesian Distribution

Applications of the Weibull-Bayesian Distribution in Life Data Analysis [HotWire Issue 55 (September 2005)]
Introduction to the Weibull-Bayesian Distribution [HotWire Issue 55 (September 2005)]

Weibull Distribution

A High Value of Beta is Not Necessarily Cause For Concern [Knowledge Base Article]
Analyzing Excess System Downtime Through System Modeling [HotWire Issue 80 (October 2007)]
Another Look at the Shape Parameter of the Weibull Distribution (Beta) [HotWire Issue 110 (April 2010)]
Characteristics of the Weibull Distribution [HotWire Issue 14 (April 2002)]
Determining the Sample Size for a Life Test Based on the Shape Parameter of the Weibull Distribution [HotWire Issue 126 (August 2011)]
Discussion of Maximum Likelihood Estimation for the 3-Parameter Weibull Distribution [HotWire Issue 148 (June 2013)]
Extreme Value Distributions [HotWire Issue 128 (October 2011)]
Financial Applications for Weibull Analysis [HotWire Issue 35 (January 2004)]
Location Parameter of the Weibull Distribution [HotWire Issue 15 (May 2002)]
Process Variation and Capability Assessment [HotWire Issue 66 (August 2006)]
You Have a Small Data Set: What Do You Do? [HotWire Issue 72 (February 2007)]

Weibull++ Software

A Simple Method for Analyzing a Data Set with Unknown Suspension Times [HotWire Issue 176 (October 2015)]
Analysis of Automotive Warranty Data in the Mileage Domain [Knowledge Base Article]
Analysis of Non-Homogeneous Warranty Data [HotWire Issue 59 (January 2006)]
Analyzing Competing Failure Modes Using Batch Auto Run [HotWire Issue 167 (January 2015)]
Analyzing Failure Modes Using RBDs in Weibull++ [HotWire Issue 128 (October 2011)]
Analyzing Maintenance Data with the Event Log Folio in Weibull++[HotWire Issue 130 (December 2011)]
Applications of the Weibull-Bayesian Distribution in Life Data Analysis [HotWire Issue 55 (September 2005)]
Bayesian Reliability Demonstration Test Design [HotWire Issue 136 (June 2012)]
Bounds on System Reliability [HotWire Issue 102 (August 2009)]
Building a Composite Function in the Weibull++ Function Wizard [HotWire Issue 120 (February 2011)]
Calculating Optimal Reliability Using Weibull++'s Target Reliability Tool [HotWire Issue 142 (December 2012)]
Can the Likelihood Value be Greater Than 0? [HotWire Issue 92 (October 2008)]
Chi-Squared Distribution and Reliability Demonstration Test Design [HotWire Issue 116 (October 2010)]
Choosing the Optimum Maintenance Interval with Weibull++ [HotWire Issue 145 (March 2013)]
Comparing Two Data Sets [HotWire Issue 23 (January 2003)]
Comparing Two Products Using a Single Metric [HotWire Issue 96 (February 2009)]
Confidence Intervals on Stress-Strength Analysis in Weibull++ [HotWire Issue 163 (September 2014)]
Considering a Use Stress Distribution in a Quantitative Accelerated Life Testing Analysis [HotWire Issue 172 (June 2015)]
Degradation Analysis in Destructive Testing - Part I and II [HotWire Issue 85 (March 2008)] [HotWire Issue 86 (April 2008)]
Degradation Model Selection in Weibull++ [HotWire Issue 112 (June 2010)]
Demonstrating a Difference in Life Using the Difference Detection Matrix [HotWire Issue 137 (July 2012)]
Demonstration Test Design Using the DRT Tool in Weibull++ [HotWire Issue 98 (April 2009)]
Design of Reliability Tests [HotWire Issue 24 (February 2003)]
Destructive Degradation Analysis in Weibull++ [HotWire Issue 178 (December 2015)]
Determine Lab Test Target Based on Warranty Reliability Requirement [HotWire Issue 171 (May 2015)]
Discussion of Maximum Likelihood Estimation for the 3-Parameter Weibull Distribution [HotWire Issue 148 (June 2013)]
Distribution Wizard in Weibull++, The [HotWire Issue 91 (September 2008)]
Don’t Let Your Event/Maintenance Log Data Go to Waste [HotWire Issue 68 (October 2006)]
Estimating the Expected Number of Failures for Items with Minimal or Perfect Repair [HotWire Issue 90 (August 2008)]
Evaluation of Life Test Plans with Different Censoring Schemes [HotWire Issue 191 (January 2017)]
Extreme Value Distributions [HotWire Issue 128 (October 2011)]
Failure Rate of a Series System Using Weibull++ [HotWire Issue 108 (February 2010)]
Financial Applications for Weibull Analysis [HotWire Issue 35 (January 2004)]
Fractional Failures in Weibull++ [HotWire Issue 175 (September 2015)]
Generating Random Numbers from an Exponential Distribution [HotWire Issue 201 (November 2017)]
How Good Is Your Assumed Distribution's Fit? [HotWire Issue 71 (January 2007)]
How to Simplify Complex RBDs with a Commonly Used Distribution [HotWire Issue 68 (October 2006)]
Incorporating Recurrent Event Data Analysis in Reliability Block Diagrams [HotWire Issue 170 (April 2015)]
Individual and Joint Parameter Bounds in Weibull++ [HotWire Issue 101 (July 2009)]
Interpretation of the Integral Used in the Weibull++ Comparison Wizard [HotWire Issue 114 (August 2010)]
Life Data Analysis with Zero-Time (Out-Of-The-Box) Failures [ HotWire Issue 83 (January 2008)]
Life estimation based on customer usage using a virtual model [Blueprint Issue 1 (May 2018)]
Likelihood Ration Confidence Bounds [HotWire Issue 42 (August 2004)]
MLE Solution for the Location Parameter of the 2-Parameter Exponential Distribution, The [HotWire Issue 123 (May 2011)]
Monitoring Warranty Returns Using Statistical Process Control (SPC)[ HotWire Issue 58 (December 2005)]
Multimodal Analysis [HotWire Issue 12 (February 2002)]
Nonparametric Analysis Utility [HotWire Issue 11 (January 2002)]
Parametric Recurrent Event Data Analysis and the GRP Model [HotWire Issue 59 (January 2006)]
Predicting Warranty Returns [HotWire Issue 36 (February 2004)]
Predicting Warranty Returns in Weibull++ 7 [HotWire Issue 119 (January 2011)]
Preventive Maintenance and the Cost Per Unit Time Equation [HotWire Issue 96 (February 2009)]
Quantifying Optimum Burn-in Period [HotWire Issue 58 (December 2005)]
Relating Distribution Parameters to Real-World Applications [HotWire Issue 120 (February 2011)]
Reliability Estimation for Products with Random Usage [HotWire Issue 168 (February 2015)]
ReliaSoft's Ranking Method [HotWire Issue 2 6 (April 2003)]
Test Design Using the Expected Failure Times Plot [HotWire Issue 138 (August 2012)]
The Importance of Looking at the Probability Plot When Fitting a Model Using Least Squares Regression [HotWire Issue 185 (July 2016)]
Truncation of the Integral Used in the Comparison Wizard in Weibull++: Part I and II [HotWire Issue 125 (July 2011)] [HotWire Issue 127 (September 2011)]
Type I and Type II Errors and Their Applications [HotWire Issue 88 (June 2008)]
Unbiasing Parameters in Weibull++ [HotWire Issue 109 (March 2010)]
Understanding the Effect of the Beta Parameter on Demonstration Testing [HotWire Issue 165 (November 2014)]
Understanding Updated Life Data Results [HotWire Issue 117 (November 2010)]
Using Multiple Reliability Tools to Augment Limited Data [HotWire Issue 97 (March 2009)]
Using OC Curves in Design of Reliability Tests [HotWire Issue 93 (November 2008)]
Using RENO to Examine Interval Width [HotWire Issue 127 (September 2011)]
Using Simulation to Design Reliability Demonstration Tests [HotWire Issue 60 (February 2006)]
Using the Chart Wizard to Create a Custom Plot [HotWire Issue 108 (February 2010)]
Using the Weibull SPRT Template [HotWire Issue 162 (August 2014)]
Usage-Based Warranty Analysis [HotWire Issue 73 (March 2007)]
Using Warranty Return Data to Compare Different Product Designs [ HotWire Issue 49 (March 2005)]
Using Weibull++ 7 and Monte Carlo Simulation for Probabilistic Design [HotWire Issue 56 (October 2005)]
Using Weibull++ and BlockSim to Calculate t₀ [HotWire Issue 46 (December 2004)]
When is it Appropriate to Use/Trust the Distribution Wizard [HotWire Issue 186 (August 2016)]
You Have a Small Data Set: What Do You Do? [HotWire Issue 72 (February 2007)]

[Top]

Xfmea Software

Basic Concepts of FMEA and FMECA [HotWire Issue 46 (December 2004)]
The Case for Generic FMEAs and Strategies for How to Use Them in Xfmea [HotWire Issue 202 (December 2017)]
Complex Risk Analysis of System-Level Effects [HotWire Issue 133 (March 2012)]
Enterprise Level Management of FMEAs — A Fictional Case Study [HotWire Issue 111 (May 2010)]
Examining Risk Priority Numbers in FMEA [Knowledge Base Article]
Failure Modes, Effects and Criticality Analysis [Knowledge Base Article]
FMEA Success Factors [Knowledge Base Article]
Gathering Information for Effective Design and Process FMEAs [HotWire Issue 117 (November 2010)]
Good FMEAs, Bad FMEAs - What's the Difference? [HotWire Issue 137 (July 2012)]
Improve corporate-wide FMEA collaboration with SEP website [Blueprint Issue 2 (August 2018)]
Interaction Between the House of Quality (within Design for Six Sigma) and the FMEA (within Design for Reliability) [HotWire Issue 93 (November 2008)]
Is Enterprise-wide, Web-based Software Right for You? It Depends on the Application! [Knowledge Base Article]
Key Factors for Effective FMEAs [Knowledge Base Article]
New Ancestry Functionality offered in XFMEA 2018 [Blueprint Issue 1 (May 2018)]
Parameter Diagrams [HotWire Issue 199 (September 2017)]
Practice Auditing an Actual FMEA [HotWire Issue 138 (August 2012)]
Risk Discovery Analysis in Xfmea [HotWire Issue 111 (May 2010)]
Using FMEA Templates to Speed Up and Improve the Quality of FMEA or RCM Analyses [HotWire Issue 77 (July 2007)]
Using FMRA to Estimate Baseline Reliability [HotWire Issue 135 (May 2012)]
Using Risk Ranking Logic in FMEAs [HotWire Issue 192 (February 2017)]
Using the New Change Log Utility in Xfmea or RCM++ [HotWire Issue 69 (November 2006)]

XFRACAS

Is Enterprise-wide, Web-based Software Right for You? It Depends on the Application! [Knowledge Base Article]
Team-based Problem Solving Methods and XFRACAS [Knowledge Base Article]
FRACAS: An Essential Ingredient for Reliability Success [HotWire Issue 122 (April 2011)]
FRACAS: From Data Collecting to Problem Solving [HotWire Issue 169 (March 2015)]

[Top]

Zero-Time Failures

Life Data Analysis with Zero-Time (Out-Of-The-Box) Failures [HotWire Issue 83 (January 2008)]