User contributions for Nicolette Young

5 January 2012

• 20:4720:47, 5 January 2012 diff hist +120,464 N Template:Crow-amsaa(nhpp) Created page with '=Crow-AMSAA (NHPP)= In Reliability Analysis for Complex, Repairable Systems (1974), Dr. Larry H. Crow noted that the Duane model could be stochastically represented as a Weibull …'
• 20:4720:47, 5 January 2012 diff hist −120,444 Crow-AMSAA (NHPP) Replaced content with '{{template:RGA BOOK|5|Crow-AMSAA}} {{crow-amsaa(nhpp)}}'
• 20:4620:46, 5 January 2012 diff hist +1,421 N Template:Parameter bounds duane Created page with '===Parameter Bounds=== <br> Apply least squares analysis on the Duane model: <br> ::<math>\ln ({{\hat{m}}_{c}})=\ln (b)+\alpha \ln (t)</math> <br> The unbiased estimator of …'
• 20:4620:46, 5 January 2012 diff hist −1,395 Template:Confidence bounds duane →Parameter Bounds
• 20:4520:45, 5 January 2012 diff hist +6,563 N Template:Confidence bounds duane Created page with '==Confidence Bounds== <br> Least squares confidence bounds can be computed for both the model parameters and metrics of interest for the Duane model. <br> ===Parameter Bounds=== …'
• 20:4520:45, 5 January 2012 diff hist −6,536 Template:Duane →Confidence Bounds
• 20:4420:44, 5 January 2012 diff hist +527 N Template:Maximum likelihood estimators duane Created page with '===Maximum Likelihood Estimators=== In Reliability Analysis for Complex, Repairable Systems (1974), L. H. Crow noted that the Duane model could be stochastically represented as…'
• 20:4420:44, 5 January 2012 diff hist −488 Template:Parameter estimation duane →Maximum Likelihood Estimators
• 20:4420:44, 5 January 2012 diff hist +9,917 N Template:Least squares (linear regression) Created page with '===Least Squares (Linear Regression)=== <br> The parameters can also be estimated using a mathematical approach. To do this, apply least squares analysis on Eqn. (eq73): ::<ma…'
• 20:4420:44, 5 January 2012 diff hist −9,880 Template:Parameter estimation duane →Least Squares (Linear Regression)
• 20:4320:43, 5 January 2012 diff hist +9,244 N Template:Graphical method duane Created page with '===Graphical Method=== Eqn. (duaneb) may be linearized by taking the natural log of both sides: <br> <br> ::<math>\ln \left( {{\widehat{{\bar{\lambda }}}}_{c}} \right)=\ln \left(…'
• 20:4320:43, 5 January 2012 diff hist −9,218 Template:Parameter estimation duane →Graphical Method
• 20:4220:42, 5 January 2012 diff hist +20,222 N Template:Parameter estimation duane Created page with '==Parameter Estimation== <br> The Duane model is a two parameter model. Therefore, to use this model as a basis for predicting the reliability growth that could be expected in an…'
• 20:4220:42, 5 January 2012 diff hist −20,191 Template:Duane →Parameter Estimation
• 20:4220:42, 5 January 2012 diff hist +37,516 N Template:Duane Created page with '=Duane= <br> ==Model History and Development== In 1962, J. T. Duane published a report in which he presented failure data of different systems during their development programs […'
• 20:4220:42, 5 January 2012 diff hist −37,507 Duane Model →Duane
• 18:3118:31, 5 January 2012 diff hist −790 Template:Fielded systems-data types →Fleet
• 18:3018:30, 5 January 2012 diff hist +1,156 N Template:Fielded systems-data types Created page with '==Fielded Systems== <br> Fielded systems are systems that are used by customers in the field and for which failure information is not derived from an in-house test. This type of …'
• 18:3018:30, 5 January 2012 diff hist +11 RGA Data Types No edit summary
• 18:2818:28, 5 January 2012 diff hist −1,137 RGA Data Types →Fielded Systems
• 18:2818:28, 5 January 2012 diff hist +775 N Template:Repairable systems Created page with '===Repairable Systems=== Repairable Systems data is identical in format to the Multiple Systems (Concurrent Operating Times) data. It also can be entered in the normal or advance…'
• 18:2818:28, 5 January 2012 diff hist −753 RGA Data Types →Repairable Systems
• 18:2718:27, 5 January 2012 diff hist +405 N Template:(multi-phase) mixed data Created page with '====(Multi-Phase) Mixed Data==== This data type can be used for tests that span multiple phases and it allows for configuration in groups, individual trial by trial, or a mixed …'
• 18:2718:27, 5 January 2012 diff hist −377 Template:Multi-phase data →(Multi-Phase) Mixed Data
• 18:2618:26, 5 January 2012 diff hist +334 N Template:(multi-phase) grouped failure times data Created page with '====(Multi-Phase) Grouped Failure Times Data==== This data type can be used for tests that span multiple phases and the exact failure times are unknown. Only the number of failur…'
• 18:2618:26, 5 January 2012 diff hist −290 Template:Multi-phase data →(Multi-Phase) Grouped Failure Times Data
• 18:2518:25, 5 January 2012 diff hist +380 N Template:(multi-phase) failure times data Created page with '====(Multi-Phase) Failure Times Data==== This data type can be used for tests that span multiple phases and the exact failure times are recorded. Figure CECETF shows an example o…'
• 18:2518:25, 5 January 2012 diff hist −344 Template:Multi-phase data →Multi-Phase Data
• 18:1718:17, 5 January 2012 diff hist +579 N Template:Discrete mixed data Created page with '====Mixed Data==== The mixed data type can have input data that is either configuration in groups or individual trial by trial, or a mixed combination of individual trials and co…'
• 18:1718:17, 5 January 2012 diff hist −556 Template:Discrete data →Mixed Data
• 18:1718:17, 5 January 2012 diff hist +802 N Template:Grouped per configuration data Created page with '====Grouped per Configuration Data==== This data type is used when multiple items, instead of a single item, are tested and the number of units that fail are recorded for each co…'
• 18:1618:16, 5 January 2012 diff hist −768 Template:Discrete data →Grouped per Configuration Data
• 18:1618:16, 5 January 2012 diff hist +464 N Template:Sequential with mode data Created page with '====Sequential with Mode Data==== Often after failure analysis you know the reason for failure during a particular trial. If this is the case, the reason for each failure can als…'
• 18:1618:16, 5 January 2012 diff hist −436 Template:Discrete data →Sequential with Mode Data
• 18:1618:16, 5 January 2012 diff hist +503 N Template:Sequential data Created page with '====Sequential Data==== For Sequential data, an item is tested with only two possible outcomes: success or failure. This could be a one-shot item such as a missile or an entire s…'
• 18:1618:16, 5 January 2012 diff hist −485 Template:Discrete data →Sequential Data
• 18:1518:15, 5 January 2012 diff hist +3,231 Template:Discrete data No edit summary
• 18:1318:13, 5 January 2012 diff hist −17 Template:Discrete data →Discrete Data
• 18:1218:12, 5 January 2012 diff hist −3,214 Template:Discrete data →Discrete Data
• 18:0418:04, 5 January 2012 diff hist +338 Template:Time-to-failure data No edit summary
• 18:0318:03, 5 January 2012 diff hist −338 Template:Time-to-failure data →Models for Time-to-Failure (Continuous) Data
• 18:0318:03, 5 January 2012 diff hist +553 N Template:Multiple systems with event codes Created page with '====Multiple Systems with Event Codes==== The Multiple Systems with Event Codes data type is used to analyze the failure data from a reliability growth test in which a number of …'
• 18:0318:03, 5 January 2012 diff hist −516 Template:Time-to-failure data →Multiple Systems with Event Codes
• 18:0218:02, 5 January 2012 diff hist +441 N Template:Multiple systems (concurrent operating times)-using dates Created page with '====Multiple Systems (Concurrent Operating Times) - Using Dates==== This is similar to the previous data type except that dates are utilized along with operating hours. This assu…'
• 18:0218:02, 5 January 2012 diff hist −380 Template:Time-to-failure data →Multiple Systems (Concurrent Operating Times) - Using Dates
• 18:0218:02, 5 January 2012 diff hist +1,319 N Template:Multiple systems (concurrent operating times) Created page with '====Multiple Systems (Concurrent Operating Times)==== This data type is used for tests where a number of systems are tested and the start, end of failure times are recorded. This…'
• 18:0218:02, 5 January 2012 diff hist −1,270 Template:Time-to-failure data →Multiple Systems (Concurrent Operating Times)
• 18:0118:01, 5 January 2012 diff hist +1,409 N Template:Multiple systems (known operating times) Created page with '====Multiple Systems (Known Operating Times)==== This data type is used for tests where a number of systems are tested. If a failure occurs in any system, a corrective action is …'
• 18:0118:01, 5 January 2012 diff hist −1,365 Template:Time-to-failure data →Multiple Systems (Known Operating Times)
• 18:0118:01, 5 January 2012 diff hist +1,146 N Template:Grouped failure times Created page with '====Grouped Failure Times==== This data type is used for tests where the exact failure times are unknown and only the number of failures within a time interval are recorded (e.g.…'