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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).

• 19:03, 15 September 2023 Lisa Hacker talk contribs deleted page EDAR Chapter 1 (content was: "#REDIRECT Experiment_Design_and_Analysis_Reference")
• 18:56, 15 September 2023 Lisa Hacker talk contribs deleted page Category:Accelerated Life Testing Data Analysis Reference (content was: "#REDIRECT Accelerated_Life_Testing_Data_Analysis_Reference", and the only contributor was "Lisa Hacker" (talk))
• 18:55, 15 September 2023 Lisa Hacker talk contribs deleted page Stress Transformations (content was: "#REDIRECT Accelerated_Life_Testing_Data_Analysis_Reference")
• 18:54, 15 September 2023 Lisa Hacker talk contribs deleted page CD Exponential Theory (content was: "#REDIRECT Accelerated_Life_Testing_Data_Analysis_Reference")
• 18:54, 15 September 2023 Lisa Hacker talk contribs deleted page CD Lognormal Theory (content was: "#REDIRECT Accelerated_Life_Testing_Data_Analysis_Reference")
• 18:53, 15 September 2023 Lisa Hacker talk contribs deleted page New Accelerated Life Testing Data Analysis Reference (content was: "#REDIRECT Accelerated Life Testing Data Analysis Reference")
• 18:49, 15 September 2023 Lisa Hacker talk contribs deleted page ALTABookTOC (content was: "#REDIRECTAccelerated_Life_Testing_Data_Analysis_Reference")
• 18:44, 15 September 2023 Lisa Hacker talk contribs deleted page LDA Functions (content was: "#REDIRECT Life_Data_Analysis_Reference_Book", and the only contributor was "Lisa Hacker" (talk))
• 18:42, 15 September 2023 Lisa Hacker talk contribs deleted page Binomial Distribution (content was: "#REDIRECT Life_Data_Analysis_Reference_Book")
• 18:41, 15 September 2023 Lisa Hacker talk contribs deleted page Additional Reliability Analysis Tools (content was: "#REDIRECT Life Data Analysis Reference Book")
• 18:41, 15 September 2023 Lisa Hacker talk contribs deleted page Template:LDAOtherSections (content was: "<br> <div class="noprint"> {| width="300" align="right" class="FCK__ShowTableBorders" border="0" cellspacing="0" cellpadding="5" |- | width="10" bgcolor="#ffffff" rowspan="2" | <br> | align="center" valign="middle" style="border: 1px solid rgb(206, 242, 224); color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);" | link=Life Data Analysis Reference Book <br>{{font|Index|12|bold|blue}} {| width="100%" align="...")
• 18:34, 15 September 2023 Lisa Hacker talk contribs deleted page Grouped Data Analysis (content was: "#REDIRECT Life_Data_Analysis_Reference_Book")
• 18:34, 15 September 2023 Lisa Hacker talk contribs deleted page WeibullBookTOC (content was: "#REDIRECT Life_Data_Analysis_Reference_Book")
• 18:32, 15 September 2023 Lisa Hacker talk contribs deleted page Template:WEIBBTOC (content was: "#REDIRECT Life Data Analysis Reference Book")
• 18:31, 15 September 2023 Lisa Hacker talk contribs deleted page Temp Weib Articles (content was: "#REDIRECT Life Data Analysis Reference Book")
• 01:00, 15 September 2023 Lisa Hacker talk contribs created page File:Reliasoft logo.png
• 01:00, 15 September 2023 Lisa Hacker talk contribs uploaded File:Reliasoft logo.png
• 23:53, 14 September 2023 Lisa Hacker talk contribs created page File:Hbk-logo--desktop.png
• 23:53, 14 September 2023 Lisa Hacker talk contribs uploaded File:Hbk-logo--desktop.png
• 23:52, 18 August 2023 Lisa Hacker talk contribs deleted page FMEA and RCM Articles (content was: "This page provides links to reference articles related to the Xfmea/RCM++ software. This includes topics such as FMEA, Criticality Analysis, Reliability Centered Maintenance, Failure Modes and Reliability Analysis (FMRA), etc. Articles that are currently available include: ::*Criticality Analysis ::*Using FMRA to Estimate Baseline Reliability For practical case study examples, see: ::*Xfmea Examples ::*RCM++ Examples {{Template:ReliaSoft Footer}}")
• 23:50, 18 August 2023 Lisa Hacker talk contribs deleted page GLL Articles (content was: "#REDIRECT General Log-Linear Relationship Articles", and the only contributor was "Chris Kahn" (talk))
• 23:49, 18 August 2023 Lisa Hacker talk contribs deleted page ThroughPut Articles (content was: "#REDIRECT Throughput_Articles")
• 22:00, 20 April 2023 Lisa Hacker talk contribs created page Cumulative Damage Power (Created page with "{{template:ALTABOOK|10.1}} =Cumulative Damage Power Relationship= This section presents a generalized formulation of the cumulative damage model where stress can be any function of time and the life-stress relationship is based on the power relationship. Given a time-varying stress <math>x(t)\,\!</math> and assuming the power law relationship, the life-stress relationship is given by: ::<math>L(x(t))={{\left( \frac{a}{x(t)} \right)}^{n}}\,\!</math> In ALTA, the above...")
• 21:42, 20 April 2023 Lisa Hacker talk contribs created page Cumulative Damage General Loglinear (Created page with "{{template:ALTABOOK|10.3}} =Cumulative Damage General Log-Linear Relationship= This section presents a generalized formulation of the cumulative damage model where multiple stress types are used in the analysis and where the stresses can be any function of time. ==Cumulative Damage General Log-Linear - Exponential== Given <math>n\,\!</math> time-varying stresses <math>\underline{X}=({{X}_{1}}(t),{{X}_{2}}(t)...{{X}_{n}}(t))\,\!</math>, the life-stress relationship is:...")
• 21:41, 20 April 2023 Lisa Hacker talk contribs created page Cumulative Damage Exponential (Created page with "{{template:ALTABOOK|10.2}} =Cumulative Damage Exponential Relationship= This section presents a generalized formulation of the cumulative damage model where stress can be any function of time and the life-stress relationship is based on the exponential relationship. Given a time-varying stress <math>x(t)\,\!</math> and assuming the exponential relationship, the life-stress relationship is given by: ::<math>\begin{align} L(x(t))=C{{e}^{bx(t)}} \end{align}\,\!</math>...")
• 21:38, 20 April 2023 Lisa Hacker talk contribs created page Cumulative Damage Arrhenius (Created page with "{{template:ALTABOOK|10.1}} =Cumulative Damage Arrhenius Relationship= This section presents a generalized formulation of the cumulative damage model where stress can be any function of time and the life-stress relationship is based on the Arrhenius life-stress relationship. Given a time-varying stress <math>x(t)\,\!</math> and assuming the Arrhenius relationship, the life-stress relationship is given by: ::<math>L(x(t))=C{{e}^{\tfrac{b}{x(t)}}}\,\!</math> In ALTA, the...")
• 23:58, 16 March 2023 Lisa Hacker talk contribs created page Two Level Fractional Factorial Designs (Created page with "{{Template:Doebook|8.1}} ==Two Level Fractional Factorial Designs== As the number of factors in a two level factorial design increases, the number of runs for even a single replicate of the <math>{2}^{k}\,\!</math> design becomes very large. For example, a single replicate of an eight factor two level experiment would require 256 runs. Fractional factorial designs can be used in these cases to draw out valuable conclusions from fewer runs. The basis of fractional factor...")
• 22:34, 10 March 2023 Lisa Hacker talk contribs deleted page Category:Admin Templates (content before blanking was: "Category: For Deletion ::<math>CL=\frac{\int_{0}^{\infty }\int_{-\infty }^{\ln {{t}_{U}}-{{\sigma ‘}}{{\phi }^{-1}}(1-R)}L({{\sigma '}},{\mu }')\tfrac{1}{{{\sigma '}}}d{\mu }'d{{\sigma '}}}{\int_{0}^{\infty }\int_{-\infty }^{\infty }L({{\sigma '}},{\mu }')\tfrac{1}{{{\sigma '}}}d{\mu }'d{{\sigma '}}}\,\!</math> The above equation is solved w.r.t. <math>{{t}_{U}}.\,\!</math> The same method can be applied for one-sided lower bounds and two-sided bounds on...")
• 21:21, 10 March 2023 Lisa Hacker talk contribs deleted page Category:DFR Planner (content before blanking was: "Category: For Deletion")
• 21:21, 10 March 2023 Lisa Hacker talk contribs deleted page Category:Completed Theoretical Review (content before blanking was: "Category: For Deletion")
• 18:48, 10 March 2023 Lisa Hacker talk contribs created page Using Maintenance Tasks (Created page with "{{Template:bsbook|7.3}} {{TU}} =Using Maintenance Tasks= One of the most important benefits of simulation is the ability to define how and when actions are performed. In our case, the actions of interest are part repairs/replacements. This is accomplished in BlockSim through the use of maintenance tasks. Specifically, four different types of tasks can be defined for maintenance actions: corrective maintenance, preventive maintenance, on condition maintenance and inspe...")
• 18:43, 10 March 2023 Lisa Hacker talk contribs created page Using Pools and Crews (Created page with "{{Template:bsbook|7.2}} {{TU}} =Using Resources: Pools and Crews= In order to make the analysis more realistic, one may wish to consider additional sources of delay times in the analysis or study the effect of limited resources. In the prior examples, we used a repair distribution to identify how long it takes to restore a component. The factors that one chooses to consider in this time may include the time it takes to do the repair and/or the time it takes to get a cr...")
• 18:00, 10 March 2023 Lisa Hacker talk contribs created page Normal Confidence Bounds (Created page with "{{template:LDABOOK|9.2|Normal Confidence Bounds}} ==Confidence Bounds== The method used by the application in estimating the different types of confidence bounds for normally distributed data is presented in this section. The complete derivations were presented in detail (for a general function) in Confidence Bounds. ===Exact Confidence Bounds=== There are closed-form solutions for exact confidence bounds for both the normal and lognormal distributions. However thes...")
• 17:56, 10 March 2023 Lisa Hacker talk contribs created page Normal Parameter Estimation (Created page with "{{template:LDABOOK|9.1|Normal Parameter Estimation}} ==Estimation of the Parameters== ===Probability Plotting=== As described before, probability plotting involves plotting the failure times and associated unreliability estimates on specially constructed probability plotting paper. The form of this paper is based on a linearization of the ''cdf'' of the specific distribution. For the normal distribution, the cumulative density function can be written as: ::<math>F(t)=\...")
• 01:05, 10 March 2023 Lisa Hacker talk contribs deleted page Category:Security in SynthesisX (content was: "Category: For Deletion")
• 01:05, 10 March 2023 Lisa Hacker talk contribs deleted page Category:New in SynthesisX (content was: "Category: For Deletion")
• 00:59, 10 March 2023 Lisa Hacker talk contribs created page Logistic Confidence Bounds (Created page with "{{template:LDABOOK|14.1|Logistic Confidence Bounds}} ==Confidence Bounds== In this section, we present the methods used in the application to estimate the different types of confidence bounds for logistically distributed data. The complete derivations were presented in detail (for a general function) in Confidence Bounds. ===Bounds on the Parameters=== The lower and upper bounds on the location parameter <math>\widehat{\mu }\,\!</math> are estimated from : ::<math...")
• 00:23, 9 March 2023 Lisa Hacker talk contribs created page Exponential Confidence Bounds (Created page with "{{template:LDABOOK|7.2|Exponential Confidence Bounds}} ==Confidence Bounds== In this section, we present the methods used in the application to estimate the different types of confidence bounds for exponentially distributed data. The complete derivations were presented in detail (for a general function) in the chapter for Confidence Bounds. At this time we should point out that exact confidence bounds for the exponential distribution have been derived, and exist in a...")
• 00:21, 9 March 2023 Lisa Hacker talk contribs created page Exponential Parameter Estimation (Created page with "{{template:LDABOOK|7.1|Exponential Parameter Estimation}} ==Estimation of the Exponential Parameters== ===Probability Plotting=== Estimation of the parameters for the exponential distribution via probability plotting is very similar to the process used when dealing with the Weibull distribution. Recall, however, that the appearance of the probability plotting paper and the methods by which the parameters are estimated vary from distribution to distribution, so there will...")
• 00:02, 9 March 2023 Lisa Hacker talk contribs created page Weibull Confidence Bounds (Created page with "{{template:LDABOOK|8.2|Weibull Confidence Bounds}} == Fisher Matrix Confidence Bounds == One of the methods used by the application in estimating the different types of confidence bounds for Weibull data, the Fisher matrix method, is presented in this section. The complete derivations were presented in detail (for a general function) in Confidence Bounds. === Bounds on the Parameters === One of the properties of maximum likelihood estimators is that they are asymp...")
• 00:00, 9 March 2023 Lisa Hacker talk contribs created page Weibull Parameter Estimation (Created page with "{{template:LDABOOK|8.1|Weibull Parameter Estimation}} == Estimation of the Weibull Parameters == The estimates of the parameters of the Weibull distribution can be found graphically via probability plotting paper, or analytically, using either least squares (rank regression) or maximum likelihood estimation (MLE). === Probability Plotting === One method of calculating the parameters of the Weibull distribution is by using probability plotting. To better illustrate this...")
• 23:44, 8 March 2023 Lisa Hacker talk contribs created page Lognormal Confidence Bounds (Created page with " ==Confidence Bounds== The method used by the application in estimating the different types of confidence bounds for lognormally distributed data is presented in this section. Note that there are closed-form solutions for both the normal and lognormal reliability that can be obtained without the use of the Fisher information matrix. However, these closed-form solutions only apply to complete data. To achieve consistent application across all possible data types, Weibull+...")
• 23:42, 8 March 2023 Lisa Hacker talk contribs created page Lognormal Parameter Estimation (Created page with "==Estimation of the Parameters== ===Probability Plotting=== As described before, probability plotting involves plotting the failure times and associated unreliability estimates on specially constructed probability plotting paper. The form of this paper is based on a linearization of the ''cdf'' of the specific distribution. For the lognormal distribution, the cumulative density function can be written as: ::<math>F({t}')=\Phi \left( \frac{{t}'-{\mu }'}{{{\sigma'}}} \ri...")
• 23:31, 8 March 2023 Lisa Hacker talk contribs deleted page Lognormal Example 5 Data (content before blanking was: "{{Example: Lognormal Distribution Likelihood Ratio Bound (Parameters)}}")
• 21:13, 6 March 2023 Lisa Hacker talk contribs deleted page User:Pavlos Savva/MainPage test (content was: "{{DISPLAYTITLE:ReliaWiki}} __NOTOC__ __NOEDITSECTION__ <div style="position:relative; float:left; display:block; width:100%; margin:10px;"> ReliaWiki is owned and maintained by [http://www.reliasoft.com ReliaSoft Corporation] and is an extension of  [http://www.weibull.com weibull.com]. For additional resources, visit [http://www.reliasoft.tv ReliaSoft.tv]...", and the only contributor was "Pavlos Savva" (talk))
• 21:24, 1 February 2023 Lisa Hacker talk contribs changed group membership for ReliaSoft Communications from ReliaSoft to (none)
• 21:23, 1 February 2023 Lisa Hacker talk contribs blocked ReliaSoft Communications talk contribs with an expiration time of indefinite (account creation disabled, autoblock disabled)
• 21:17, 1 February 2023 Lisa Hacker talk contribs removed protection from Weibull Distribution - Examples (hist)
• 21:17, 1 February 2023 Lisa Hacker talk contribs removed protection from Temp Weib Articles
• 21:16, 1 February 2023 Lisa Hacker talk contribs deleted page ReliaSoft Books (content was: "{{Allbooksindex}} __NOTOC__ __NOEDITSECTION__ {| width="70%" cellspacing="0" cellpadding="8" border="0" align="center" class="FCK__ShowTableBorders" |- | valign="middle" bgcolor="#2a91c6" align="right" class="FCK__ShowTableBorders" | 125px|link=http://www.ReliaSoft.com/Weibull/index.htm | bgcolor="#2a91c6" rowspan="2" | | valign="middle" bgcolor="#2a91c6" align="center" rowspan="2" | <font size="2">'''ReliaSoft's Life Data<br>Analysis Reference'''...")