User contributions for Nicolette Young

10 January 2012

• 22:4322:43, 10 January 2012 diff hist −2,236 Template:Confidence bounds for rsa →Bounds on Time Given Instantaneous MTBF
• 22:4322:43, 10 January 2012 diff hist +1,939 N Template:Bounds on time given cumulative mtbf rsa Created page with '====Bounds on Time Given Cumulative MTBF==== =====Fisher Matrix Bounds===== The time, <math>T</math> , must be positive, thus <math>\ln T</math> is approximately treated as be…'
• 22:4322:43, 10 January 2012 diff hist −1,895 Template:Confidence bounds for rsa →Bounds on Time Given Cumulative MTBF
• 22:4222:42, 10 January 2012 diff hist +1,913 N Template:Bounds on instantaneous failure intensity rsa Created page with '====Bounds on Instantaneous Failure Intensity==== =====Fisher Matrix Bounds===== The instantaneous failure intensity, <math>{{\lambda }_{i}}(t)</math> , must be positive, thus …'
• 22:4222:42, 10 January 2012 diff hist −1,865 Template:Confidence bounds for rsa →Bounds on Instantaneous Failure Intensity
• 22:4022:40, 10 January 2012 diff hist +1,847 N Template:Bounds on cumulative failure intensity rsa Created page with '====Bounds on Cumulative Failure Intensity==== =====Fisher Matrix Bounds===== The cumulative failure intensity, <math>{{\lambda }_{c}}(t)</math> must be positive, thus <math>\…'
• 22:4022:40, 10 January 2012 diff hist −1,802 Template:Confidence bounds for rsa →Bounds on Cumulative Failure Intensity
• 22:3922:39, 10 January 2012 diff hist +4,646 N Template:Bounds on instantaneous mtbf rsa Created page with '====Bounds on Instantaneous MTBF==== =====Fisher Matrix Bounds===== The instantaneous MTBF, <math>{{m}_{i}}(t)</math> , must be positive, thus <math>\ln {{m}_{i}}(t)</math> is…'
• 22:3922:39, 10 January 2012 diff hist −4,610 Template:Confidence bounds for rsa →Bounds on Instantaneous MTBF
• 22:3922:39, 10 January 2012 diff hist +1,967 N Template:Bounds on cumulative mtbf rsa Created page with '====Bounds on Cumulative MTBF==== =====Fisher Matrix Bounds===== The cumulative MTBF, <math>{{m}_{c}}(t)</math> , must be positive, thus <math>\ln {{m}_{c}}(t)</math> is appro…'
• 22:3922:39, 10 January 2012 diff hist −1,935 Template:Confidence bounds for rsa →Bounds on Cumulative MTBF
• 22:3822:38, 10 January 2012 diff hist +541 N Template:Bounds on growth rate rsa Created page with '====Bounds on Growth Rate==== Since the growth rate is equal to <math>1-\beta </math> , the confidence bounds are: ::<math>\begin{align} & Gr.\text{ }Rat{{e}_{L}}= & 1-{{\bet…'
• 22:3822:38, 10 January 2012 diff hist −512 Template:Confidence bounds for rsa →Bounds on Growth Rate
• 22:3722:37, 10 January 2012 diff hist +1,669 N Template:Bounds on lambda rsa Created page with '====Bounds on <math>\lambda </math>==== =====Fisher Matrix Bounds===== The parameter <math>\lambda </math> must be positive, thus <math>\ln \lambda </math> is approximately …'
• 22:3722:37, 10 January 2012 diff hist −1,646 Template:Confidence bounds for rsa →Bounds on \lambda
• 22:3122:31, 10 January 2012 diff hist +2,539 N Template:Bounds on beta rsa Created page with '====Bounds on <math>\beta </math>==== =====Fisher Matrix Bounds===== The parameter <math>\beta </math> must be positive, thus <math>\ln \beta </math> is approximately treate…'
• 22:3122:31, 10 January 2012 diff hist −2,520 Template:Confidence bounds for rsa →Bounds on \beta
• 22:2922:29, 10 January 2012 diff hist +35,858 N Template:Confidence bounds for rsa Created page with '===Confidence Bounds for Repairable Systems Analysis=== ====Bounds on <math>\beta </math>==== =====Fisher Matrix Bounds===== The parameter <math>\beta </math> must be positive…'
• 22:2922:29, 10 January 2012 diff hist −35,829 Template:Parameter estimation fielded rga →Confidence Bounds for Repairable Systems Analysis
• 22:0322:03, 10 January 2012 diff hist +1,452 N Template:Chi-squared test rsa Created page with '====Chi-Squared Test==== <br> The parametric Cramér-von Mises test described above requires that the starting time, <math>{{S}_{q}}</math> , be equal to 0 for each of the <mat…'
• 22:0322:03, 10 January 2012 diff hist −1,428 Template:Goodness-of-fit tests for rsa →Chi-Squared Test
• 22:0222:02, 10 January 2012 diff hist +3,894 N Template:Cramer-con mises test rsa Created page with '====Cramér-von Mises Test==== <br> To illustrate the application of the Cramér-von Mises statistic for multiple system data, suppose that <math>K</math> like systems are unde…'
• 22:0222:02, 10 January 2012 diff hist −3,865 Template:Goodness-of-fit tests for rsa →Cramér-von Mises Test
• 22:0122:01, 10 January 2012 diff hist +6,457 N Template:Goodness-of-fit tests for rsa Created page with '===Goodness-of-Fit Tests for Repairable System Analysis=== <br> It is generally desirable to test the compatibility of a model and data by a statistical goodness-of-fit test. A p…'
• 22:0122:01, 10 January 2012 diff hist −6,426 Template:Parameter estimation fielded rga →Goodness-of-Fit Tests for Repairable System Analysis
• 22:0022:00, 10 January 2012 diff hist +50,650 N Template:Parameter estimation fielded rga Created page with '==Parameter Estimation== <br> Suppose that the number of systems under study is <math>K</math> and the <math>{{q}^{th}}</math> system is observed continuously from time <mat…'
• 22:0022:00, 10 January 2012 diff hist −50,614 Template:Fielded systems rga →Parameter Estimation
• 21:5921:59, 10 January 2012 diff hist +5,471 N Template:Using power law model rsa Created page with ' ===Using the Power Law Model to Analyze Complex Repairable Systems=== <br> The Power Law model is often used to analyze the reliability for complex repairable systems in the fie…'
• 21:5921:59, 10 January 2012 diff hist −5,441 Template:Repairable systems analysis rga →Using the Power Law Model to Analyze Complex Repairable Systems
• 21:5921:59, 10 January 2012 diff hist +4,618 N Template:Process ex rsa Created page with '===Process Example=== <br> Now suppose that a system consists of many components with each component in a socket. A failure in any socket constitutes a failure of the system. Eac…'
• 21:5821:58, 10 January 2012 diff hist −4,600 Template:Repairable systems analysis rga →Process Example
• 21:5821:58, 10 January 2012 diff hist +3,620 N Template:Distribution ex rsa Created page with '===Distribution Example=== <br> Visualize a socket into which a component is inserted at time <math>0</math> . When the component fails, it is replaced immediately with a new on…'
• 21:5821:58, 10 January 2012 diff hist −3,596 Template:Repairable systems analysis rga →Distribution Example
• 21:5721:57, 10 January 2012 diff hist +15,709 N Template:Repairable systems analysis rga Created page with '==Repairable Systems Analysis== ===Background=== Most complex systems, such as automobiles, communication systems, aircraft, printers, medical diagnostics systems, helicopters, e…'
• 21:5721:57, 10 January 2012 diff hist −15,674 Template:Fielded systems rga →Repairable Systems Analysis
• 21:5621:56, 10 January 2012 diff hist +92,344 N Template:Fielded systems rga Created page with '=Fielded Systems= The previous chapters presented analysis methods for data obtained during developmental testing. However, data from systems in the field can also be analyzed in…'
• 21:5621:56, 10 January 2012 diff hist −92,321 Repairable Systems Analysis →Fielded Systems
• 21:5521:55, 10 January 2012 diff hist +11,837 N Template:Testing methodology rga Created page with '==Testing Methodology== The methodology described here will use the Crow Extended model (presented in Chapter 9) for data analysis. In order to have valid Crow Extended model ass…'
• 21:5421:54, 10 January 2012 diff hist −11,810 Template:Operational mission profile testing →Testing Methodology
• 21:5321:53, 10 January 2012 diff hist +17,309 N Template:Operational mission profile testing Created page with '=Operational Mission Profile Testing= It is common practice for systems to be subjected to operational testing during a development program. The objective of this testing is to e…'
• 21:5321:53, 10 January 2012 diff hist −17,270 Operational Mission Profile Testing →Operational Mission Profile Testing
• 21:5221:52, 10 January 2012 diff hist +4,176 N Template:Actual time to reach goal rga Created page with '====Actual Time to Reach Goal==== <br> The actual time to reach the target MTBF or failure intensity goal, <math>{{t}_{AC,G}},</math> can be found by solving Eqn. (ActIhase): …'
• 21:5221:52, 10 January 2012 diff hist −4,143 Template:Actual idealized growth curve →Actual Time to Reach Goal
• 21:5221:52, 10 January 2012 diff hist +2,416 N Template:Actual failure intensity function Created page with '====Actual Failure Intensity Function==== <br> Consider a test plan consisting of <math>i</math> phases. Taking into account the fix delay within each phase, we expect the actu…'
• 21:5221:52, 10 January 2012 diff hist −2,380 Template:Actual idealized growth curve →Actual Failure Intensity Function
• 21:5221:52, 10 January 2012 diff hist +1,503 N Template:Fix delays and test phase target mtbf Created page with '====Fix Delays and Test Phase Target MTBF==== <br> Fix delays reflect how long it takes from the time a problem failure mode is discovered in testing, to the time the corrective …'
• 21:5121:51, 10 January 2012 diff hist −1,461 Template:Actual idealized growth curve →Fix Delays and Test Phase Target MTBF
• 21:5121:51, 10 January 2012 diff hist +8,409 N Template:Actual idealized growth curve Created page with '===Actual Idealized Growth Curve=== <br> The actual idealized growth curve differs from the nominal idealized curve in that it takes into account the average fix delay that might…'
• 21:5121:51, 10 January 2012 diff hist −8,376 Template:Crow extended model rga →Actual Idealized Growth Curve
• 21:4921:49, 10 January 2012 diff hist +821 N Template:Lambda-beta parameter relationship Created page with '====Lambda - Beta Parameter Relationship==== <br> Under the Crow-AMSAA (NHPP) model, the time to first failure is a Weibull random variable. The MTTF of a Weibull distributed ran…'