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19:56, 6 June 2012 Lisa Hacker talk contribs deleted page New The Gumber/SEV Distribution (content was: 'The Gumbel distribution is also referred to as the Smallest Extreme Value (SEV) distribution or the Smallest Extreme Value (Type I) distribution. The Gumb…' (and the only contributor was 'Steve Sharp'))
19:56, 6 June 2012 Lisa Hacker talk contribs deleted page New Monitoring Warranty Returns Using Statistical Process Control (SPC) (content was: 'By monitoring and analyzing warranty return data, the user now has the ability to detect specific return periods and/or batches of sales or shipments that…' (and the only contributor was 'Steve Sharp'))
19:55, 6 June 2012 Lisa Hacker talk contribs deleted page New Warranty Data Analysis (content was: 'The Warranty Analysis Folio in Weibull++ provides three different data entry formats for warranty data. It also allows the user to automatically perform a…' (and the only contributor was 'Steve Sharp'))
19:55, 6 June 2012 Lisa Hacker talk contribs deleted page Demonstration Test Design (content was: 'Frequently, a manufacturer will have to demonstrate that a certain product has met a goal of a certain reliability at a given time with a specific confidence. It will often be desired to demonstrate that this goal has been met with a ze…')
19:55, 6 June 2012 Lisa Hacker talk contribs deleted page New Reliability Test Design (content was: 'Quite often, there is a desire to design reliability demonstration tests that have few or no failures. These tests are often required to demonstrate custo…' (and the only contributor was 'Steve Sharp'))
19:54, 6 June 2012 Lisa Hacker talk contribs deleted page New Non-Parametric Life Data Analysis (content was: 'Nonparametric analysis allows the user to analyze data without assuming an underlying distribution. This can have certain advantages as well as disadvanta…' (and the only contributor was 'Steve Sharp'))
19:54, 6 June 2012 Lisa Hacker talk contribs deleted page New10 Bounds on Time (content was: 'The bounds on time are estimate by solving the reliability equation with respect to time. From Eqn. (CFMReliability) we have that: ::<math>\hat{t}=\varp…' (and the only contributor was 'Steve Sharp'))
19:53, 6 June 2012 Lisa Hacker talk contribs deleted page New Competing Failure Modes Models (content was: 'Often, a group of products will fail due to more than one failure mode. One can take the view that the products could have failed due to any one of the po…' (and the only contributor was 'Steve Sharp'))
19:53, 6 June 2012 Lisa Hacker talk contribs deleted page Estimating Using the Comparison Wizard (content was: 'Another methodology, suggested by Gerald G. Brown and Herbert C. Rutemiller, is to estimate the probability of whether the times-to-failure of one populat…' (and the only contributor was 'Steve Sharp'))
19:53, 6 June 2012 Lisa Hacker talk contribs deleted page New Comparing Life Data Sets (content was: 'It is often desirable to be able to compare two sets of reliability or life data in order to determine which of the data sets has a more favorable life di…' (and the only contributor was 'Steve Sharp'))
19:52, 6 June 2012 Lisa Hacker talk contribs deleted page Lost Sales Cost (content was: 'The lost sales cost is caused due to lost market share. It is caused by customers choosing to go elsewhere for goods and services. The lost sales cost dep…' (and the only contributor was 'Steve Sharp'))
19:52, 6 June 2012 Lisa Hacker talk contribs deleted page New Target Reliability Estimator (content was: 'Product reliability affects total product costs in multiple ways. Increasing product reliability increases the initial cost of producing a product but dec…' (and the only contributor was 'Steve Sharp'))
19:51, 6 June 2012 Lisa Hacker talk contribs deleted page Types of Accelerated Tests (content was: 'Each type of test that has been called an accelerated test provides different information about the product and its failure mechanisms. These tests can be…' (and the only contributor was 'Steve Sharp'))
19:51, 6 June 2012 Lisa Hacker talk contribs deleted page Quantitative Accelerated Life Tests (content was: 'For all life tests, some time-to-failure information (or time-to-an-event) for the product is required since the failure of the product is the event we want to understand. In other words, if we wish to understand, measure, and predict an…')
19:51, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 2: What is Accelerated Life Testing? (content was: '=Sections= #New Foreword #Types of Accelerated Tests #Quantitative Accelerated Life Tests' (and the only contributor was 'Steve Sharp'))
19:50, 6 June 2012 Lisa Hacker talk contribs deleted page Plots (content was: 'In addition to the probability plots required in life data analysis, accelerated life test data analysis utilizes a variety of stress-related plots. Each …' (and the only contributor was 'Steve Sharp'))
19:50, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 4: Accelerated Life Testing and ALTA (content was: 'This chapter presents issues relevant to using the ALTA software package to analyze data collected in accelerated life tests. These issues include the typ…' (and the only contributor was 'Steve Sharp'))
19:49, 6 June 2012 Lisa Hacker talk contribs deleted page New11 The Exponential Distribution (content was: 'The exponential distribution is a very commonly used distribution in reliability engineering. Due to its simplicity, it has been widely employed even in c…' (and the only contributor was 'Steve Sharp'))
19:48, 6 June 2012 Lisa Hacker talk contribs deleted page New11 The Weibull Distribution (content was: 'The Weibull distribution is one of the most commonly used distributions in reliability engineering because of the many shapes it attains for various value…' (and the only contributor was 'Steve Sharp'))
19:48, 6 June 2012 Lisa Hacker talk contribs deleted page MLE Parameter Estimation (content was: 'The parameters of the 2-parameter Weibull distribution can also be estimated using Maximum Likelihood Estimation (MLE). This log-likelihood function is co…' (and the only contributor was 'Steve Sharp'))
18:00, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 5: Life Distributions (content was: 'In this section we will briefly present three lifetime distributions commonly used in accelerated life test analysis, namely the 1-parameter exponential, …' (and the only contributor was 'Steve Sharp'))
17:59, 6 June 2012 Lisa Hacker talk contribs deleted page Arrhenius-Exponential (content was: 'The <math>pdf</math> of the 1-parameter exponential distribution is given by: ::<math>\mathop{f(t)=\lambda {{e}^{-\lambda t}}}</math> It can…' (and the only contributor was 'Steve Sharp'))
17:59, 6 June 2012 Lisa Hacker talk contribs deleted page Arrhenius-Weibull (content was: '==The Model== The Arrhenius-Weibull model as used in acclerated life testing is a combination of the 2-parameter Weibull distribution and the Arrhenius life-stress relationship, or: ::<math>f(t)=\frac{\beta }{\eta }{{\lef…')
17:59, 6 June 2012 Lisa Hacker talk contribs deleted page Arrhenius-Lognormal (content was: 'The <math>pdf</math> of the lognormal distribution is given by: ::<math>f(T)=\frac{1}{T\text{ }{{\sigma }_{{{T}'}}}\sqrt{2\pi }}{{e}^{-\tfrac…' (and the only contributor was 'Steve Sharp'))
17:57, 6 June 2012 Lisa Hacker talk contribs deleted page Eyring-Exponential (content was: 'The <math>pdf</math> of the 1-parameter exponential distribution is given by: ::<math>f(t)=\lambda \cdot {{e}^{-\lambda \cdot t}}</math> It ca…' (and the only contributor was 'Steve Sharp'))
17:57, 6 June 2012 Lisa Hacker talk contribs deleted page New13 Parameter Estimation (content was: '===Maximum Likelihood Estimation Method=== The Eyring-Weibull log-likelihood function is composed of two summation portions: ::<math>\begin{al…' (and the only contributor was 'Steve Sharp'))
17:56, 6 June 2012 Lisa Hacker talk contribs deleted page Eyring-Lognormal (content was: 'The <math>pdf</math> of the lognormal distribution is given by: ::<math>f(T)=\frac{1}{T\text{ }{{\sigma }_{{{T}'}}}\sqrt{2\pi }}{{e}^{-\tfrac{1}{…' (and the only contributor was 'Steve Sharp'))
17:56, 6 June 2012 Lisa Hacker talk contribs deleted page Generalized Eyring Relationship (content was: '===Introduction=== The generalized Eyring relationship is used when temperature and a second non-thermal stress (e.g. voltage) are the accelerated s…' (and the only contributor was 'Steve Sharp'))
17:56, 6 June 2012 Lisa Hacker talk contribs deleted page New14 Acceleration Factor (content was: 'For the IPL relationship the acceleration factor is given by: ::<math>{{A}_{F}}=\frac{{{L}_{USE}}}{{{L}_{Accelerated}}}=\frac{\tfrac{1}{KV_{u}^{n}}…' (and the only contributor was 'Steve Sharp'))
17:55, 6 June 2012 Lisa Hacker talk contribs deleted page IPL-Exponential (content was: 'The IPL-exponential model can be derived by setting <math>m=L(V)</math> in Eqn. (inverse), yielding the following IPL-exponential <math>pdf</math> : <…' (and the only contributor was 'Steve Sharp'))
17:55, 6 June 2012 Lisa Hacker talk contribs deleted page IPL-Weibull (content was: 'The IPL-Weibull model can be derived by setting <math>\eta =L(V)</math> , yielding the following IPL-Weibull <math>pdf\ \ :</math> ::<math>f(t,V)…' (and the only contributor was 'Steve Sharp'))
17:54, 6 June 2012 Lisa Hacker talk contribs deleted page IPL-Lognormal (content was: 'The <math>pdf</math> of the lognormal distribution is given by: ::<math>f(T)=\frac{1}{T\text{ }{{\sigma }_{{{T}'}}}\sqrt{2\pi }}{{e}^{-\tfrac{1}{2…' (and the only contributor was 'Steve Sharp'))
17:54, 6 June 2012 Lisa Hacker talk contribs deleted page IPL and the Coffin-Manson Relationship (content was: 'In accelerated life testing analysis, thermal cycling is commonly treated as a low-cycle fatigue problem, using the inverse power law relationship. Coffin…' (and the only contributor was 'Steve Sharp'))
17:54, 6 June 2012 Lisa Hacker talk contribs deleted page New15 Introduction (content was: 'The Temperature-Humidity (T-H) relationship, a variation of the Eyring relationship, has been proposed for predicting the life at use conditions when tem…' (and the only contributor was 'Steve Sharp'))
17:54, 6 June 2012 Lisa Hacker talk contribs deleted page New15 Acceleration Factor (content was: 'The acceleration factor for the T-H relationship is given by: ::<math>{{A}_{F}}=\frac{{{L}_{USE}}}{{{L}_{Accelerated}}}=\frac{A{{e}^{\tfrac{\phi }{…' (and the only contributor was 'Steve Sharp'))
17:53, 6 June 2012 Lisa Hacker talk contribs deleted page T-H Exponential (content was: 'By setting <math>m=L(U,V)</math> in Eqn. (Temp-Hum) the exponential <math>pdf</math> becomes: ::<math>f(t,V,U)=\frac{1}{A}{{e}^{-\left( \tfrac{\…' (and the only contributor was 'Steve Sharp'))
17:53, 6 June 2012 Lisa Hacker talk contribs deleted page T-NT Lognormal (content was: 'The <math>pdf</math> of the lognormal distribution is given by: ::<math>f(T)=\frac{1}{T\text{ }{{\sigma }_{{{T}'}}}\sqrt{2\pi }}{{e}^{-\tfrac{1}{2…' (and the only contributor was 'Steve Sharp'))
17:52, 6 June 2012 Lisa Hacker talk contribs deleted page T-H Weibull (content was: 'By setting <math>\eta =L(U,V)</math> as given in Eqn. (Temp-Hum), the T--H Weibull model's <math>pdf</math> is given by: .. ===T-H Weibull Stat…' (and the only contributor was 'Steve Sharp'))
17:52, 6 June 2012 Lisa Hacker talk contribs deleted page T-H Lognormal (content was: 'The <math>pdf</math> of the lognormal distribution is given by: ::<math>f(T)=\frac{1}{T\text{ }{{\sigma }_{{{T}'}}}\sqrt{2\pi }}{{e}^{-\tfrac{1}{2…' (and the only contributor was 'Steve Sharp'))
17:51, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 9: Temperature-Humidity Relationship (content was: '=Sections= #New15 Introduction #A Look at the Parameters Phi and b #T-H Data #New15 Acceleration Factor #T-H Exponential #T-H Weibul…' (and the only contributor was 'Steve Sharp'))
17:51, 6 June 2012 Lisa Hacker talk contribs deleted page New17 Introduction (content was: 'When temperature and a second non-thermal stress (e.g. voltage) are the accelerated stresses of a test, then the Arrhenius and the inverse power law relat…' (and the only contributor was 'Steve Sharp'))
17:51, 6 June 2012 Lisa Hacker talk contribs deleted page New17 Acceleration Factor (content was: 'The acceleration factor for the T-NT relationship is given by: ::<math>{{A}_{F}}=\frac{{{L}_{USE}}}{{{L}_{Accelerated}}}=\frac{\tfrac{C}{U_{u}^{n}}{…' (and the only contributor was 'Steve Sharp'))
17:50, 6 June 2012 Lisa Hacker talk contribs deleted page T-NT Exponential (content was: 'By setting <math>m=L(U,V)</math> as given in Eqn. (Temp-Volt), the exponential <math>pdf</math> becomes: ::<math>f(t,U,V)=\frac{{{U}^{n}}}{C}{{e}^{-\t…' (and the only contributor was 'Steve Sharp'))
17:47, 6 June 2012 Lisa Hacker talk contribs deleted page T-NT Weibull (content was: 'By setting <math>\eta =L(U,V)</math> from Eqn. (Temp-Volt), the T-NT Weibull model is given by: ::<math>f(t,U,V)=\frac{\beta {{U}^{n}}{{e}^{-\tfrac{B}{V…' (and the only contributor was 'Steve Sharp'))
17:46, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 10: Temperature-NonThermal Relationship (content was: '=Sections= #New17 Introduction #A Look at the Parameters B and n #New17 Acceleration Factor #T-NT Exponential #T-NT Weibull #T-NT Lo…' (and the only contributor was 'Steve Sharp'))
17:46, 6 June 2012 Lisa Hacker talk contribs deleted page Accelerated Life Test Plans (content was: 'Poor accelerated test plans waste time, effort and money and may not even yield the desired information. Before starting an accelerated test (which is som…' (and the only contributor was 'Steve Sharp'))
17:46, 6 June 2012 Lisa Hacker talk contribs deleted page Example 8 (content was: 'An electronic component was redesigned and was tested to failure at three different temperatures. Six units were tested at each stress level. At the 406K …' (and the only contributor was 'Steve Sharp'))
17:45, 6 June 2012 Lisa Hacker talk contribs deleted page General Log-Linear Relationship (content was: 'When a test involves multiple accelerating stresses or requires the inclusion of an engineering variable, a general multivariable relationship is needed. …' (and the only contributor was 'Steve Sharp'))
17:45, 6 June 2012 Lisa Hacker talk contribs deleted page Proportional Hazards Model (content was: 'Introduced by D. R. Cox, the Proportional Hazards (PH) model was developed in order to estimate the effects of different covariates influencing the times-…' (and the only contributor was 'Steve Sharp'))
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'))

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