All public logs
Jump to navigation
Jump to search
Combined display of all available logs of ReliaWiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 17:44, 6 June 2012 Lisa Hacker talk contribs deleted page Indicator Variables (content was: 'Another advantage of the models presented in this chapter is that they allow for simultaneous analysis of continuous and categorical variables. Categorica…' (and the only contributor was 'Steve Sharp'))
- 17:44, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 11: Multivariable Relationships: General Log-Linear and Proportional Hazards (content was: '=Sections= #New18 Introduction #General Log-Linear Relationship #Proportional Hazards Model #Indicator Variables' (and the only contributor was 'Steve Sharp'))
- 17:44, 6 June 2012 Lisa Hacker talk contribs deleted page New19 Example (content was: 'Using the simple step-stress data given in Section 12.2, one would define <math>x(t)</math> as: ::<math>\begin{align} x(t)= & 2,\text{ }0<t\le …' (and the only contributor was 'Steve Sharp'))
- 17:43, 6 June 2012 Lisa Hacker talk contribs deleted page Cumulative Damage General Log-Linear Relationship (content was: 'This section presents a generalized formulation of the cumulative damage model where multiple stress types are used in the analysis and where the stresses…' (and the only contributor was 'Steve Sharp'))
- 17:43, 6 June 2012 Lisa Hacker talk contribs deleted page Common Shape Parameter Likelihood Ratio Test (content was: 'In order to assess the assumption of a common shape parameter among the data obtained at various stress levels, the likelihood ratio (LR) test can be util…' (and the only contributor was 'Steve Sharp'))
- 17:43, 6 June 2012 Lisa Hacker talk contribs deleted page Tests of Comparison (content was: 'It is often desirable to be able to compare two sets of accelerated life data in order to determine which of the data sets has a more favorable life distr…' (and the only contributor was 'Steve Sharp'))
- 17:42, 6 June 2012 Lisa Hacker talk contribs deleted page Degradation Analysis (content was: 'Given that products are frequently being designed with higher reliabilities and developed in shorter amounts of time, even accelerated life testing is oft…' (and the only contributor was 'Steve Sharp'))
- 17:42, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 13: Additional Tools (content was: 'ALTA and ALTA PRO contain some additional analysis tools that allow you to perform supplementary analyses. These include tests of comparison between two d…' (and the only contributor was 'Steve Sharp'))
- 17:41, 6 June 2012 Lisa Hacker talk contribs deleted page Example 3 (content was: 'A mechanical component was put into an accelerated test with temperature as the accelerated stress. The following times-to-failure were observed. {|styl…' (and the only contributor was 'Steve Sharp'))
- 17:38, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 14: General Examples & Case Studies (content was: 'In this chapter we present some application examples utilizing ReliaSoft's ALTA and ALTA PRO. We assume that you have previously consulted the ALTA User's…' (and the only contributor was 'Steve Sharp'))
- 17:37, 6 June 2012 Lisa Hacker talk contribs deleted page Brief Statistical Background (content was: 'In this appendix we attempt to provide a brief elementary introduction to the most common and fundamental statistical equations and definitions used in re…' (and the only contributor was 'Steve Sharp'))
- 17:37, 6 June 2012 Lisa Hacker talk contribs deleted page Confidence Limits Determination (content was: 'This section presents an overview of the theory on obtaining approximate confidence bounds on suspended (multiply censored) data. The methodology used is …' (and the only contributor was 'Steve Sharp'))
- 17:36, 6 June 2012 Lisa Hacker talk contribs deleted page Maximum Likelihood (MLE) Parameter Estimation (content was: 'The idea behind maximum likelihood parameter estimation is to determine the parameters that maximize the probability (likelihood) of the sample data. From…' (and the only contributor was 'Steve Sharp'))
- 17:36, 6 June 2012 Lisa Hacker talk contribs deleted page MLE of Accelerated Life Data (content was: 'Maximum likelihood offers a very powerful method in estimating the parameters of accelerated testing models, making possible the analysis of very complex …' (and the only contributor was 'Steve Sharp'))
- 17:19, 6 June 2012 Lisa Hacker talk contribs deleted page New22 Example 1 (content was: 'From Wayne Nelson [28, p. 135]. <br> ==Published Results for Example 1== <br> ::• Published Results: ::<math>\begin{align} {{\widehat{\sigma }}_{{…' (and the only contributor was 'Steve Sharp'))
- 17:18, 6 June 2012 Lisa Hacker talk contribs deleted page New22 Example 2 (content was: 'From Wayne Nelson [28, p. 453], time to breakdown of a transformer oil, tested at 26kV, 28kV, 30kV, 32kV, 34kV, 36kV and 38kV. <br> <br> ==Published Resul…' (and the only contributor was 'Steve Sharp'))
- 17:16, 6 June 2012 Lisa Hacker talk contribs deleted page New22 Example 3 (content was: 'From Wayne Nelson [28, p. 157], forty bearings were tested to failure at four different test loads. The data were analyzed using the inverse power law Wei…' (and the only contributor was 'Steve Sharp'))
- 17:15, 6 June 2012 Lisa Hacker talk contribs deleted page New22 Example 4 (content was: 'From Meeker and Escobar [26, p. 504], Mylar-Polyurethane Insulating Structure data using the inverse power law lognormal model. <br> <br> ==Published Resu…' (and the only contributor was 'Steve Sharp'))
- 17:15, 6 June 2012 Lisa Hacker talk contribs deleted page New22 Example 5 (content was: 'From Meeker and Escobar [26, p. 515], Tantalum Capacitor data using the combination (Temperature-NonThermal) Weibull model. <br> <br> ==Published Results …' (and the only contributor was 'Steve Sharp'))
- 17:09, 6 June 2012 Lisa Hacker talk contribs deleted page Graphical Method (content was: 'Graphical analysis is the simplest method for obtaining results in both life data and accelerated life testing analyses. Although they have limitations (p…' (and the only contributor was 'Steve Sharp'))
- 17:08, 6 June 2012 Lisa Hacker talk contribs deleted page Cumulative Damage Exponential Relationship (content was: 'This section presents a generalized formulation of the cumulative damage model where stress can be any function of time and the life-stress relationship i…' (and the only contributor was 'Steve Sharp'))
- 17:08, 6 June 2012 Lisa Hacker talk contribs deleted page Cumulative Damage Arrhenius Relationship (content was: 'This section presents a generalized formulation of the cumulative damage model where stress can be any function of time and the life-stress relationship i…' (and the only contributor was 'Steve Sharp'))
- 17:07, 6 June 2012 Lisa Hacker talk contribs deleted page Model Formulation (content was: 'To formulate the cumulative exposure/damage model, consider a simple step-stress experiment where an electronic component was subjected to a voltage stres…' (and the only contributor was 'Steve Sharp'))
- 17:07, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 12: Time-Varying Stress Models (content was: '=Sections= #New19 Introduction #Model Formulation #Cumulative Damage Arrhenius Relationship #Cumulative Damage Exponential Relationship #[…' (and the only contributor was 'Steve Sharp'))
- 17:06, 6 June 2012 Lisa Hacker talk contribs deleted page New14 Introduction (content was: 'The inverse power law (IPL) model (or relationship) is commonly used for non-thermal accelerated stresses and is given by: <br> ::<math>L(V)=\frac{1}{K{{…' (and the only contributor was 'Steve Sharp'))
- 17:06, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 8: Inverse Power Law (IPL) Relationship (content was: '=Sections= #New14 Introduction #New14 Acceleration Factor #IPL-Exponential #IPL-Weibull #New14 Example 1 #IPL-Lognormal #IPL and…' (and the only contributor was 'Steve Sharp'))
- 17:05, 6 June 2012 Lisa Hacker talk contribs deleted page ALT APP C (content was: '=Reference Appendix C: Benchmark Examples= <br> In this section, five published examples are presented for comparison purposes. ReliaSoft's R&D validated the ALTA software with hundreds of data sets and methods. ALTA also cross-validates…')
- 17:05, 6 June 2012 Lisa Hacker talk contribs deleted page Eyring-Weibull (content was: 'The <math>pdf</math> for 2-parameter Weibull distribution is given by: <br> ::<math>f(t)=\frac{\beta }{\eta }{{\left( \frac{t}{\eta } \right)}^{\beta -…' (and the only contributor was 'Steve Sharp'))
- 17:04, 6 June 2012 Lisa Hacker talk contribs deleted page New13 Introduction (content was: 'The Eyring relationship was formulated from quantum mechanics principles [9] and is most often used when thermal stress (temperature) is the acceleration variable. However, the Eyring relationship is also often used for stress variables …')
- 17:04, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 7: Eyring Relationship (content was: '=Sections= #New13 Introduction #New13 Acceleration Factor #Eyring-Exponential #Eyring-Weibull #New13 Parameter Estimation #New13 Exa…' (and the only contributor was 'Steve Sharp'))
- 17:02, 6 June 2012 Lisa Hacker talk contribs deleted page New12 Introduction (content was: 'The Arrhenius life-stress model (or relationship) is probably the most common life-stress relationship utilized in accelerated life testing. It has been w…' (and the only contributor was 'Steve Sharp'))
- 17:01, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 6: Arrhenius Relationship (content was: '=Sections= #New12 Introduction #Acceleration Factor #Arrhenius-Exponential #Arrhenius-Weibull #Example #Arrhenius-Lognormal #App…' (and the only contributor was 'Steve Sharp'))
- 17:01, 6 June 2012 Lisa Hacker talk contribs deleted page New The Weibull Distribution (content was: 'The Weibull distribution is one of the most widely used lifetime distributions in reliability engineering. It is a versatile distribution that can take on…' (and the only contributor was 'Steve Sharp'))
- 16:59, 6 June 2012 Lisa Hacker talk contribs deleted page Newer Parameter Estimation (content was: 'Once a distribution has been selected, the parameters of the distribution need to be estimated. Several parameter estimation methods are available. This s…' (and the only contributor was 'Steve Sharp'))
- 16:58, 6 June 2012 Lisa Hacker talk contribs deleted page Newer Accelerated Life Testing Data Analysis Reference (content was: '=Chapters= #Chapter 1: Introduction #Chapter 2: What is Accelerated Life Testing? #Chapter 3: Accelerated Life Testing #Chapter 4: Accelerat…' (and the only contributor was 'Steve Sharp'))
- 16:57, 6 June 2012 Lisa Hacker talk contribs deleted page New Parameter Estimation (content was: '= Sections = #Newer Parameter Estimation #Maximum Likelihood (MLE) Parameter Estimation for Complete Data #Bayesian Statistics' (and the only contributor was 'Steve Sharp'))
- 16:56, 6 June 2012 Lisa Hacker talk contribs deleted page Newer Life Data Analysis Reference (content was: '#New Introduction to Life Data Analysis #New Basic Statistical Background #New Life Distributions #New Parameter Estimation ## Appendix 4…' (and the only contributor was 'Steve Sharp'))
- 16:54, 6 June 2012 Lisa Hacker talk contribs deleted page SYS Chapter3 (content was: '=Statistical Background= <br> ==Introduction== <br> This chapter presents a brief review of statistical principles and terminology. The objective of this chapter is to introduce concepts from probability theory and statistics that will …')
- 16:49, 6 June 2012 Lisa Hacker talk contribs deleted page ALT APP B (content was: '=Reference Appendix B: Parameter Estimation= Once a life distribution and a life-stress relationship have been selected, the parameters (i.e. the variables that govern the characteristics of the ) need to be determined. Several para…')
- 16:48, 6 June 2012 Lisa Hacker talk contribs deleted page ALT Chapter12 (content was: '=Time-Varying Stress Models= <br> ==Introduction== <br> Traditionally, accelerated tests that use a time-varying stress application have been used to assure failures quickly. This is highly desirable given the pressure on industry today …')
- 16:47, 6 June 2012 Lisa Hacker talk contribs deleted page ALT Chapter8 (content was: '=Inverse Power Law (IPL)Relationship= <br> ==Introduction== <br> The inverse power law (IPL) model (or relationship) is commonly used for non-thermal accelerated stresses and is given by: <br> ::<math>L(V)=\frac{1}{K{{V}^{n}}}</math> <…')
- 16:47, 6 June 2012 Lisa Hacker talk contribs deleted page ALT Chapter7 (content was: '=Eyring Relationship= <br> ==Introduction== <br> The Eyring relationship was formulated from quantum mechanics principles [9] and is most often used when thermal stress (temperature) is the acceleration variable. However, the Eyring re…')
- 18:15, 4 June 2012 Lisa Hacker talk contribs deleted page Template:Eyring relationship (content was: '==Introduction== <br> The Eyring relationship was formulated from quantum mechanics principles [9] and is most often used when thermal stress (temperature) is the acceleration variable. However, the …')
- 16:20, 4 April 2012 Lisa Hacker talk contribs undeleted page Target Reliability Estimator (1 revision restored)
- 16:20, 4 April 2012 Lisa Hacker talk contribs deleted page Target Reliability Estimator (content was: '#REDIRECT Target Reliability Tool' (and the only contributor was 'Chris Kahn'))
- 00:55, 4 April 2012 Lisa Hacker talk contribs changed group membership for Melinda Caroline from (none) to ReliaSoft
- 00:32, 4 April 2012 Lisa Hacker talk contribs changed group membership for Steve Sharp from administrator to (none)
- 00:31, 4 April 2012 Lisa Hacker talk contribs changed group membership for Chris Kahn from (none) to ReliaSoft
- 17:11, 3 April 2012 Lisa Hacker talk contribs uploaded File:RCM-label.png
- 17:11, 3 April 2012 Lisa Hacker talk contribs uploaded File:Xfmea-label.png
- 16:59, 3 April 2012 Lisa Hacker talk contribs uploaded File:Xfmeabox.png
- 16:20, 3 April 2012 Lisa Hacker talk contribs uploaded File:Fmra colors.png
- 01:02, 3 April 2012 Lisa Hacker talk contribs uploaded File:Fmra table.png
- 01:00, 3 April 2012 Lisa Hacker talk contribs uploaded File:Fmra occurrence scale.png
- 00:58, 3 April 2012 Lisa Hacker talk contribs uploaded File:Fmra roll up.png
- 00:53, 3 April 2012 Lisa Hacker talk contribs uploaded File:Fmra build configuration.png
- 00:48, 3 April 2012 Lisa Hacker talk contribs uploaded File:Fmra relationships.png
- 00:40, 3 April 2012 Lisa Hacker talk contribs deleted page FMRA Baseline Reliability (content was: '#REDIRECT Using FMRA to Estimate Baseline Reliability' (and the only contributor was 'Lisa Hacker'))
- 00:39, 3 April 2012 Lisa Hacker talk contribs moved page FMRA Baseline Reliability to Using FMRA to Estimate Baseline Reliability
- 22:51, 30 March 2012 Lisa Hacker talk contribs moved page Appendix E: Confidence Bounds to Appendix D: Confidence Bounds
- 22:51, 30 March 2012 Lisa Hacker talk contribs undeleted page Appendix E: Confidence Bounds (2 revisions restored)
- 22:47, 30 March 2012 Lisa Hacker talk contribs moved page Reference Appendix D: References to Appendix E: References
- 22:47, 30 March 2012 Lisa Hacker talk contribs deleted page Appendix E: Confidence Bounds (content was: '{{template:ALTABOOK|E}} {{What are Confidence Bounds}} {{Fisher Matrix Confidence Bounds}} {{Beta Binomial Confidence Bounds}} {{Likelihood Ratio Confi…' (and the only contributor was 'Lisa Hacker'))
- 22:46, 30 March 2012 Lisa Hacker talk contribs moved page Appendix: Confidence Bounds to Appendix E: Confidence Bounds
- 22:39, 30 March 2012 Lisa Hacker talk contribs deleted page Life-Stress Relationship Models (content was: '{{Stubs}}' (and the only contributor was 'Chris Kahn'))
- 22:39, 30 March 2012 Lisa Hacker talk contribs deleted page Target Reliability Estimation (content was: '{{Stubs}} Something about the new plot. It should explain how each of the curves are derived.' (and the only contributor was 'Lisa Hacker'))
- 22:39, 30 March 2012 Lisa Hacker talk contribs deleted page Template:Test Design Using Difference Detection Matrix (content was: '{{Stubs}} {{template:LDABOOK|27|Difference Detection Matrix}} {{difference detection matrix}}')
- 22:38, 30 March 2012 Lisa Hacker talk contribs deleted page Comparison Wizard (content was: '{{Stubs}} Something that explains the Comparison Wizard equations. Will probably link to the Stress-Strength topic.' (and the only contributor was 'Lisa Hacker'))
- 22:37, 30 March 2012 Lisa Hacker talk contribs deleted page Complex Competing Failure Modes (content was: '{{Stubs}} This topic would cover the more complex CFM analysis method that uses the Diagram sheet (based on http://www.weibull.com/LifeDataWeb/competing_failure_modes.htm#complex). There can be a separate (linked) topic that covers the …')
- 22:37, 30 March 2012 Lisa Hacker talk contribs deleted page Life Data Distributions (content was: '{{Stubs}}' (and the only contributor was 'Kate Racaza'))
- 22:37, 30 March 2012 Lisa Hacker talk contribs deleted page Mixed Weibull (content was: '{{Stubs}} This was covered at http://www.weibull.com/LifeDataWeb/the_mixed_weibull_distribution.htm in the V7 book. The existing material seems to cause …' (and the only contributor was 'Lisa Hacker'))
- 22:37, 30 March 2012 Lisa Hacker talk contribs deleted page Reliability Demonstration Test Design (content was: '{{Stubs}} This topic should focus on the four methods of RDT design (e.g. Parametric Binomial, etc.). Probably would describe the underlying concepts fir…' (and the only contributor was 'Lisa Hacker'))
- 22:36, 30 March 2012 Lisa Hacker talk contribs deleted page Parameter Estimation Methods (content was: '{{Stubs}}' (and the only contributor was 'Kate Racaza'))
- 22:36, 30 March 2012 Lisa Hacker talk contribs deleted page Stubs Done (content was: '# Confidence Intervals Confidence_Bounds # Weibull Statistical Distributions The Weibull Distribution Category:Stubs' (and the only contributor was 'Pantelis'))
- 22:35, 30 March 2012 Lisa Hacker talk contribs deleted page Nonparametric LDA (content was: '{{Stubs}} An updated version of http://www.weibull.com/LifeDataWeb/nonparametric_analysis.htm.' (and the only contributor was 'Lisa Hacker'))
- 22:35, 30 March 2012 Lisa Hacker talk contribs deleted page Basic Competing Failure Modes (content was: '{{Stubs}} This page would cover the basic CFM analysis method that's available from the Distribution list in the Weibull++ standard folio. A separate (li…' (and the only contributor was 'Lisa Hacker'))
- 22:35, 30 March 2012 Lisa Hacker talk contribs deleted page ALTA Analysis Method (content was: '{{Stubs}} The information from http://www.weibull.com/AccelTestWeb/understanding_accelerated_life_test_analysis.htm about the general accelerated life te…' (and the only contributor was 'Lisa Hacker'))
- 22:33, 30 March 2012 Lisa Hacker talk contribs moved page Appendix: Distribution Log-Likelihood Equations to Appendix: Log-Likelihood Equations
- 22:28, 30 March 2012 Lisa Hacker talk contribs deleted page Bayesian Weibull (content was: '{{Stubs}} This topic is now covered more thoroughly (coherently) in the help file but it would be nice to revise/improve the theory book version, which w…' (and the only contributor was 'Lisa Hacker'))
- 21:47, 30 March 2012 Lisa Hacker talk contribs moved page The Loglogistic to The Loglogistic Distribution (Consistency)
- 21:47, 30 March 2012 Lisa Hacker talk contribs deleted page The Loglogistic Distribution (Deleted to make way for move)
- 21:46, 30 March 2012 Lisa Hacker talk contribs moved page The Loglogistic Distribution to NEW The Loglogistic Distribution
- 21:32, 30 March 2012 Lisa Hacker talk contribs moved page Weibull-Bayesian Analysis to Bayesian-Weibull Analysis (Match the software interface)
- 01:08, 30 March 2012 Lisa Hacker talk contribs moved page Appendix: Weibull References to Appendix: Life Data Analysis References
- 01:06, 30 March 2012 Lisa Hacker talk contribs moved page Weibull SimuMatic to Weibull++ SimuMatic
- 01:05, 30 March 2012 Lisa Hacker talk contribs moved page Competing Failure Modes Models to Competing Failure Modes Analysis
- 00:58, 30 March 2012 Lisa Hacker talk contribs moved page Stress Strength Analysis to Stress-Strength Analysis
- 00:49, 30 March 2012 Lisa Hacker talk contribs uploaded File:Detection Matrix Example B10 Intervals new.png
- 00:44, 30 March 2012 Lisa Hacker talk contribs uploaded a new version of File:Detection Matrix Example B10 Intervals.png (Reverted to version as of 18:57, 24 February 2012)
- 00:40, 30 March 2012 Lisa Hacker talk contribs uploaded a new version of File:Detection Matrix Example B10 Intervals.png (Removed extra whitespace.)
- 23:37, 29 March 2012 Lisa Hacker talk contribs moved page Template:Example: Weibull Distribution Example-Demostrate MTTF to Template:Example: Weibull Distribution Example-Demonstrate MTTF (Correct typo)
- 23:32, 29 March 2012 Lisa Hacker talk contribs moved page Template:Example: Weibull Distribution Example-Demostrate Reliability to Template:Example: Weibull Distribution Example-Demonstrate Reliability (Correct typo)
- 21:20, 29 March 2012 Lisa Hacker talk contribs deleted page Testmain (content was: '{{template:test1}}' (and the only contributor was 'Pantelis'))
- 21:20, 29 March 2012 Lisa Hacker talk contribs deleted page Test (content was: '{{LSRstats |Arrhenius-Weibull |{{arrhWeibullpdf}} |{{weibull2pdf}} |{{arrhenius}} |}}' (and the only contributor was 'Pantelis'))
- 21:13, 29 March 2012 Lisa Hacker talk contribs deleted page Testpage (content before blanking was: '{{Stubs}}')
- 21:13, 29 March 2012 Lisa Hacker talk contribs deleted page SYS Chapter11 (content was: '==Reliability Phase Diagrams (RPDs)== ==Introduction== The term phase diagram is used in many disciplines with different meanings. In physical …' (and the only contributor was 'Nicolette Young'))
- 00:32, 21 July 2011 Lisa Hacker talk contribs deleted page Parametric Recurrent Event Data Analysis (It was a duplicate for another stub.)
- 00:32, 21 July 2011 Lisa Hacker talk contribs deleted page Non-Parametric Recurrent Event Data Analysis (It was a duplicate for another stub.)
- 16:05, 2 May 2011 User account Richard House talk contribs was created by Lisa Hacker talk contribs
- 16:05, 2 May 2011 User account Kate Racaza talk contribs was created by Lisa Hacker talk contribs