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20:04, 6 June 2012 Lisa Hacker talk contribs deleted page Warranty Analysis (Nevada Format) (content was: 'The Nevada Format allows the user to convert shipping and warranty return data into the standard reliability data form of failures and suspensions so that it can easily be analyzed with traditional life data analysis methods. For each ti…')
20:04, 6 June 2012 Lisa Hacker talk contribs deleted page Warranty Analysis (Usage Format) (content was: 'Warranty data analysis relies on the estimation of a failure distribution based on data including the number of returns and the number of surviving units …' (and the only contributor was 'Steve Sharp'))
20:04, 6 June 2012 Lisa Hacker talk contribs deleted page New10 Bounds on Reliability (content was: 'The competing failure modes reliability function is given by: ::<math>\widehat{R}=\underset{i=1}{\overset{n}{\mathop \prod }}\,{{\hat{R}}_{i}}</math> w…' (and the only contributor was 'Steve Sharp'))
20:03, 6 June 2012 Lisa Hacker talk contribs deleted page New11 The Lognormal Distribution (content was: 'The lognormal distribution is commonly used for general reliability analysis, cycles-to-failure in fatigue, material strengths and loading variables in probabilistic design. A random variable is lognormally distributed if the logarithm o…')
20:03, 6 June 2012 Lisa Hacker talk contribs deleted page With Prior Information on System Reliability (content was: 'Prior information on system reliability can be exploited to determine <math>\alpha\,\!_{0}</math> and <math>\beta\,\!_{0}</math>. To do so, first approxim…' (and the only contributor was 'Steve Sharp'))
20:03, 6 June 2012 Lisa Hacker talk contribs deleted page Example - With Prior Information on System Reliability (content was: 'Suppose you wanted to know the reliability of a system and you had the following prior knowledge of the system: ::*Lowest possible reliability: ''a'' = …' (and the only contributor was 'Steve Sharp'))
20:02, 6 June 2012 Lisa Hacker talk contribs deleted page With Prior Information from Subsystem Tests (content was: 'Prior information from subsystem tests can also be used to determine values of alpha and beta. Information from subsystem tests can be used to calculate t…' (and the only contributor was 'Steve Sharp'))
20:02, 6 June 2012 Lisa Hacker talk contribs deleted page Example - With Prior Information from Subsystem Tests (content was: 'Given prior information from subsystem tests, the system reliability can be estimated. Assume a system of interest is composed of 3 subsystems A, B and C.…' (and the only contributor was 'Steve Sharp'))
20:00, 6 June 2012 Lisa Hacker talk contribs deleted page New Bayesian Nonparametric Test Design (content was: 'The nonparametric analysis performed in the last section made no assumptions about the underlying distribution of the data and was performed with only the…' (and the only contributor was 'Steve Sharp'))
19:59, 6 June 2012 Lisa Hacker talk contribs deleted page New Confidence Bounds (content was: '= Sections = #Newer Confidence Bounds #Fisher Matrix Confidence Bounds' (and the only contributor was 'Steve Sharp'))
19:58, 6 June 2012 Lisa Hacker talk contribs deleted page Estimation of the Parameters (content was: '====Probability Plotting==== As described before, probability plotting involves plotting the failure times and associated unreliability estimates on speci…' (and the only contributor was 'Steve Sharp'))
19:58, 6 June 2012 Lisa Hacker talk contribs deleted page New General Examples (content was: '====Example 9==== Determine the lognormal parameter estimates for the data given in Table 9.3. ::{| border=1 cellspacing=1 |+ Table 9.3 - Non-Grouped Dat…' (and the only contributor was 'Steve Sharp'))
19:57, 6 June 2012 Lisa Hacker talk contribs deleted page New The Lognormal Distribution (content was: 'The Lognormal Distribution The lognormal distribution is commonly used to model the lives of units whose failure modes are of a fatigue-stress nature. Sin…' (and the only contributor was 'Steve Sharp'))
19:57, 6 June 2012 Lisa Hacker talk contribs deleted page Characteristics of the Gumbel Distribution (content was: 'Some of the specific characteristics of the Gumbel distribution are the following: ::• The shape of the Gumbel distribution is skewed to the left. The …' (and the only contributor was 'Steve Sharp'))
19:56, 6 June 2012 Lisa Hacker talk contribs deleted page A Gumbel Distribution Example (content was: 'Verify using Monte Carlo simulation that if <math>\mathop{{t}_{i}}</math> follows a Weibull distribution with <math>\mathop{\beta} </math> and <math>…' (and the only contributor was 'Steve Sharp'))
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'))
18:41, 6 June 2012 Athanasios Gerokostopoulos talk contribs moved page RGA Introduction to RGA Chapter 1 over redirect
18:40, 6 June 2012 Athanasios Gerokostopoulos talk contribs moved page RGA Chapter 1 to RGA Introduction
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'))

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