All public logs

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).

15:38, 7 June 2012 Lisa Hacker talk contribs deleted page New Stress Strength Analysis (content was: 'Using the same idea as illustrated in the previous section, one could determine the probability of failure based on the probability of stress exceeding st…' (and the only contributor was 'Steve Sharp'))
15:38, 7 June 2012 Lisa Hacker talk contribs deleted page New Solution to Example 16 (content was: 'The parts dimensions measurements were entered into a Weibull++ standard folio as separate data sheets and were analyzed assuming normal distribution and …' (and the only contributor was 'Steve Sharp'))
15:37, 7 June 2012 Lisa Hacker talk contribs deleted page Warranty Cost (content was: 'Warranty cost is a function of total market value, market share, reliability, and cost per failure. The function of cost per failure \(f_{4}\left(x\right)…' (and the only contributor was 'Steve Sharp'))
15:37, 7 June 2012 Lisa Hacker talk contribs deleted page Determining System Performance (content was: 'The values of system reliability ''R'', confidence level ''CL'', number of units tested ''n'', and number of failures ''r'' are related by the equation :…' (and the only contributor was 'Steve Sharp'))
15:35, 7 June 2012 Lisa Hacker talk contribs deleted page Regarding BlockSim's the Random Number Generator (RNG) (content was: '#REDIRECT Regarding BlockSim's Random Number Generator (RNG)' (and the only contributor was 'Steve Sharp'))
15:35, 7 June 2012 Lisa Hacker talk contribs deleted page Stress Loading (content was: 'The discussion of accelerated life testing analysis thus far has included the assumption that the stress loads applied to units in an accelerated test hav…' (and the only contributor was 'Steve Sharp'))
15:35, 7 June 2012 Lisa Hacker talk contribs deleted page Appendix 8A: IPL Confidence Bounds (content was: '==Approximate Confidence Bounds on IPL-Exponential== ===Confidence Bounds on the Mean Life=== From the inverse power law relationship the mean l…' (and the only contributor was 'Steve Sharp'))
15:35, 7 June 2012 Lisa Hacker talk contribs deleted page Example 6 (content was: 'ACME manufacturing has implemented an accelerated testing program for their new design. A total of 40 units were tested at four different pressure levels.…' (and the only contributor was 'Steve Sharp'))
15:34, 7 June 2012 Lisa Hacker talk contribs deleted page Example 11 (content was: 'A sample of and electronic device was tested in two testing chambers set at different temperatures and monitored on a weekly basis. The test was perfromed…' (and the only contributor was 'Steve Sharp'))
15:34, 7 June 2012 Lisa Hacker talk contribs deleted page Initial Parameter Estimation (content was: 'As a preliminary step, we need to provide a crude estimate of the Weibull parameters for this data. To begin, we will extract the exact times-to-failure: …' (and the only contributor was 'Steve Sharp'))
15:33, 7 June 2012 Lisa Hacker talk contribs deleted page New ReliaSoft's Alternate Ranking Method (content was: '= Sections = #ReliaSoft's Alternate Ranking Method (RRM) Step-by-Step Example #Initial Parameter Estimation #Results' (and the only contributor was 'Steve Sharp'))
15:05, 7 June 2012 Lisa Hacker talk contribs deleted page Expenential Probability Density Function (content was: '====The Two-Parameter Exponential Distribution==== The two-parameter exponential <math>pdf</math> is given by: ::<math>f(T)=\lambda {{e}^{-\lambda (T-\ga…' (and the only contributor was 'Steve Sharp'))
15:04, 7 June 2012 Lisa Hacker talk contribs deleted page New The Exponential Distribution (content was: 'The exponential distribution is a commonly used distribution in reliability engineering. Mathematically, it is a fairly simple distribution, which many ti…' (and the only contributor was 'Steve Sharp'))
15:04, 7 June 2012 Lisa Hacker talk contribs deleted page Background (content was: 'Consider a life test of identical components. The components were placed in a test at age <math>T=0</math> and were tested to failure, with their times…' (and the only contributor was 'Steve Sharp'))
15:03, 7 June 2012 Lisa Hacker talk contribs deleted page Characteristics of the Generalized Gamma Distribution (content was: 'As mentioned previously, the generalized gamma distribution includes other distributions as special cases based on the values of the parameters. ::• T…' (and the only contributor was 'Steve Sharp'))
15:03, 7 June 2012 Lisa Hacker talk contribs deleted page Characteristics of the Gamma Distributions (content was: 'Some of the specific characteristics of the gamma distribution are the following: For <math>k>1</math> : ::• As <math>T\to 0,\infty </math> , <mat…' (and the only contributor was 'Steve Sharp'))
15:02, 7 June 2012 Lisa Hacker talk contribs deleted page A Gamma Distribution Example (content was: 'Twenty four units were reliability tested and the following life test data were obtained: ::<math>\begin{matrix} \text{61} & \text{50} & \text{67} & …' (and the only contributor was 'Steve Sharp'))
15:02, 7 June 2012 Lisa Hacker talk contribs deleted page New The Gamma Distribution (content was: 'The gamma distribution is a flexible life distribution model that may offer a good fit to some sets of failure data. It is not, however, widely used as a …' (and the only contributor was 'Steve Sharp'))
15:02, 7 June 2012 Lisa Hacker talk contribs deleted page New4 Bounds on Time (content was: 'The bounds around time for a given loglogistic percentile, or unreliability, are estimated by first solving the reliability equation with respect to time,…' (and the only contributor was 'Steve Sharp'))
20:44, 6 June 2012 Lisa Hacker talk contribs deleted page Analysis of Right Censored (Suspended) Data (content was: '====Background==== All available data should be considered in the analysis of times-to-failure data. This includes the case when a particular unit in a s…' (and the only contributor was 'Steve Sharp'))
20:43, 6 June 2012 Lisa Hacker talk contribs deleted page New Life Data Classification (content was: '= Sections = #Data & Data Types #Analysis of Right Censored (Suspended) Data' (and the only contributor was 'Steve Sharp'))
20:42, 6 June 2012 Lisa Hacker talk contribs deleted page SYS Chapter10 (content was: '=Fault Tree Diagrams and System Analysis= BlockSim allows system modeling using both Reliability Block Diagrams (RBDs) and Fault Trees. This chap…' (and the only contributor was 'Nicolette Young'))
20:42, 6 June 2012 Lisa Hacker talk contribs deleted page SYS Chapter9 (content was: '=Additional Analyses= ==Throughput Analysis== In the prior sections, we concentrated on failure and repair actions of a system. In doing so, we v…' (and the only contributor was 'Nicolette Young'))
20:41, 6 June 2012 Lisa Hacker talk contribs deleted page SYS Chapter8 (content was: '=Repairable Systems Analysis Through Simulation= Having introduced some of the basic theory and terminology for repairable systems in Chapter…' (and the only contributor was 'Nicolette Young'))
20:41, 6 June 2012 Lisa Hacker talk contribs deleted page SYS Chapter6 (content was: '=Reliability Importance and Optimized Reliability Allocation (Analytical)= ==Component Reliability Importance== ===Static Reliability Importance==…' (and the only contributor was 'Nicolette Young'))
20:40, 6 June 2012 Lisa Hacker talk contribs deleted page SYS Chapter5 (content was: '=Time-Dependent System Reliability (Analytical)= In the previous chapter, different system configuration types were examined, …' (and the only contributor was 'Nicolette Young'))
20:40, 6 June 2012 Lisa Hacker talk contribs deleted page SYS Chapter4 (content was: '=RBDs and Analytical System Reliability= An overall system reliability prediction can be made by looking at the reliabilities of the componen…' (and the only contributor was 'Nicolette Young'))
20:40, 6 June 2012 Lisa Hacker talk contribs deleted page SYS Chapter1 (content was: '=Introduction= ==Foreword== This reference has been designed to introduce the reader to system reliability, maintainability and throughput concepts and theory. It accompanies ReliaSoft's system reliability and availability analysis so…')
20:39, 6 June 2012 Lisa Hacker talk contribs deleted page Example 9 (content was: 'A group of 20 units are put on a life test with the following results. ::<math>\begin{matrix} Number & State & State \\ in State & (F or S) & End…' (and the only contributor was 'Steve Sharp'))
20:39, 6 June 2012 Lisa Hacker talk contribs deleted page The Gumbel Failure Rate Function (content was: 'The instantaneous Gumbel failure rate is given by: ::<math>\lambda =\frac{{{e}^{z}}}{\sigma }</math>' (and the only contributor was 'Steve Sharp'))
20:39, 6 June 2012 Lisa Hacker talk contribs deleted page Solution to Example 9 (content was: 'Using the data and Eqn. (kapmeier), the following table can be constructed: ::<math>\begin{matrix} State & Number of & Number of & Available & {} & …' (and the only contributor was 'Steve Sharp'))
20:39, 6 June 2012 Lisa Hacker talk contribs deleted page Failure Modes Configurations (content was: '==== Series Configuration==== The basic competing failure modes configuration, which has already been discussed, is a series configuration. In a series c…' (and the only contributor was 'Steve Sharp'))
20:38, 6 June 2012 Lisa Hacker talk contribs deleted page New8 Example 1 (content was: 'Five turbine blades were tested for crack propagation. The test units are cyclically stressed and inspected every 100,000 cycles for crack length. Failu…' (and the only contributor was 'Steve Sharp'))
20:38, 6 June 2012 Lisa Hacker talk contribs deleted page New3 Foreword (content was: 'This reference has been designed to introduce the reader to system reliability, maintainability and throughput concepts and theory. The treatment of the s…' (and the only contributor was 'Steve Sharp'))
20:38, 6 June 2012 Lisa Hacker talk contribs deleted page The Lognormal Conditional Reliability (content was: 'The lognormal conditional reliability function is given by: ::<math>R(t|T)=\frac{R(T+t)}{R(T)}=\frac{\int_{\text{ln}(T+t)}^{\infty }\tfrac{1}{{{\sigma }…' (and the only contributor was 'Steve Sharp'))
20:34, 6 June 2012 Lisa Hacker talk contribs deleted page Weibull Probability Density Function (content was: '== The Three-Parameter Weibull Distribution == The three-parameter Weibull ''pdf'' is given by: ::<math> f(T)={ \frac{\beta }{\eta }}\left( {\frac{T-\g…' (and the only contributor was 'Steve Sharp'))
20:34, 6 June 2012 Lisa Hacker talk contribs deleted page Analysis of Non-Homogeneous Warranty Data (content was: 'In the previous sections and examples it is important to note that the underlying assumption was that the population was homogeneous. In other words, all …' (and the only contributor was 'Steve Sharp'))
20:31, 6 June 2012 Lisa Hacker talk contribs deleted page New8 Solution to Example 1 (content was: 'The first step is to solve the equation <math>y=b\cdot {{e}^{a\cdot x}}</math> for <math>a</math> and <math>b</math> for each of the test units. Usi…' (and the only contributor was 'Steve Sharp'))
20:30, 6 June 2012 Lisa Hacker talk contribs deleted page ALT APP A (content was: '=Reference Appendix A: Brief Statistical Background= In this appendix we attempt to provide a brief elementary introduction to the most common and fundamental statistical equations and definitions used in reliability engineering and…')
20:29, 6 June 2012 Lisa Hacker talk contribs deleted page User Guide Chapter: Plots (content was: '=ALTA Plots= Plots are available in Standard Folios and Degradation Analysis Folios as well as in Stress Profiles and in SimuMatic. In all cases, these plots can be viewed by clicking the 'Plot' icon located on the Main page of the Cont…')
20:29, 6 June 2012 Lisa Hacker talk contribs deleted page New Example 16 (content was: 'A hinge is made up of four components A, B, C, D. Seven units of each component were taken from the assembly line and the following measurements (in cm) …' (and the only contributor was 'Steve Sharp'))
20:28, 6 June 2012 Lisa Hacker talk contribs deleted page Simple Actuarial Method (content was: 'The simple actuarial method is an easy-to-use form of nonparametric data analysis that can be used for multiply censored data that are arranged in interva…' (and the only contributor was 'Steve Sharp'))
20:28, 6 June 2012 Lisa Hacker talk contribs deleted page Understanding Quantitative Accelerated Life Data Analysis (content was: 'In typical life data analysis one determines, through the use of statistical distributions, a life distribution that describes the times-to-failure of a p…' (and the only contributor was 'Steve Sharp'))
20:28, 6 June 2012 Lisa Hacker talk contribs deleted page Chapter 3: Accelerated Life Testing (content was: '=Sections= #Understanding Quantitative Accelerated Life Data Analysis #Stress Loading' (and the only contributor was 'Steve Sharp'))
20:27, 6 June 2012 Lisa Hacker talk contribs deleted page New21 Example 1 (content was: 'To illustrate the principles behind accelerated testing, consider the following simple example which involves a paper clip and can be easily and independe…' (and the only contributor was 'Steve Sharp'))
20:26, 6 June 2012 Lisa Hacker talk contribs deleted page Total Cost (content was: 'For a given reliability ''R'', the expected total cost is given by ::<math>\text{Total Cost}\left(R\right) = \text{Lost Sales Cost}\left(R\right) + \tex…' (and the only contributor was 'Steve Sharp'))
20:26, 6 June 2012 Lisa Hacker talk contribs deleted page New Simulation Tools In Weibull++ (content was: 'Monte Carlo simulation can be used to perform simple relationship-based simulations. The new `User Defined' distribution feature allows you to specify an …' (and the only contributor was 'Steve Sharp'))
20:26, 6 June 2012 Lisa Hacker talk contribs deleted page Variance/Covariance Matrix (content was: 'The variances and covariances of the parameters are estimated from the inverse local Fisher matrix, as follows: ::<math>\begin{align} & \left( \begi…' (and the only contributor was 'Steve Sharp'))
20:25, 6 June 2012 Lisa Hacker talk contribs deleted page Characteristics of the Logistic Distribution (content was: '::• The logistic distribution has no shape parameter. This means that the logistic <math>pdf</math> has only one shape, the bell shape, and this shape…' (and the only contributor was 'Steve Sharp'))
20:25, 6 June 2012 Lisa Hacker talk contribs deleted page Manufacturing Cost (content was: 'Manufacturing cost is a function of total market value, market share, and manufacturing cost per unit. The function \(f_{2}\left(x\right)\) for manufactur…' (and the only contributor was 'Steve Sharp'))

All public logs

Navigation menu

Search