User contributions for Nicolette Young

10 January 2012

• 21:4921:49, 10 January 2012 diff hist −783 Template:Nominal idealized growth curve →Lambda - Beta Parameter Relationship
• 21:4921:49, 10 January 2012 diff hist +2,330 N Template:Growth rate for nominal idealized curve Created page with '====Growth Rate for Nominal Idealized Curve==== <br> The growth rate for the nominal idealized curve is defined in the same context as the growth rate for the Duane Postulate [8]…'
• 21:4821:48, 10 January 2012 diff hist −2,287 Template:Nominal idealized growth curve →Growth Rate for Nominal Idealized Curve
• 21:4821:48, 10 January 2012 diff hist +744 N Template:Nominal time to real goal Created page with '====Nominal Time to Reach Goal==== <br> Assuming that we have a target MTBF or failure intensity goal, we can solve Eqn. (Nominal FI) to find out how much test time, , is requi…'
• 21:4821:48, 10 January 2012 diff hist −716 Template:Nominal idealized growth curve →Nominal Time to Reach Goal
• 21:4621:46, 10 January 2012 diff hist +1,332 N Template:Initialization time rga Created page with '====Initialization Time==== <br> Reliability growth can only begin after a Type B failure mode occurs, which cannot be at a time equal to zero. Therefore, there is a need for an …'
• 21:4621:46, 10 January 2012 diff hist −1,305 Template:Nominal idealized growth curve →Initialization Time
• 21:4621:46, 10 January 2012 diff hist +687 N Template:Nominal failure intensity function Created page with '====Nominal Failure Intensity Function==== The nominal idealized growth curve failure intensity as a function of test time <math>t</math> is: ::<math>{{r}_{NI}}(t)={{\lambda }…'
• 21:4621:46, 10 January 2012 diff hist −649 Template:Nominal idealized growth curve →Nominal Failure Intensity Function
• 21:4621:46, 10 January 2012 diff hist +7,250 N Template:Nominal idealized growth curve Created page with '===Nominal Idealized Growth Curve=== <br> During developmental testing, management should expect that certain levels of reliability will be attained at various points in the prog…'
• 21:4521:45, 10 January 2012 diff hist −7,217 Template:Crow extended model rga →Nominal Idealized Growth Curve
• 21:4421:44, 10 January 2012 diff hist +1,151 N Template:Growth potential design margin crow extended Created page with '====Growth Potential Design Margin==== <br> The Growth Potential Design Margin ( <math>GPDM</math> ) can be considered as a safety margin when setting target MTBF values for the …'
• 21:4321:43, 10 January 2012 diff hist −1,104 Template:Crow extended model rga →Growth Potential Design Margin
• 21:4221:42, 10 January 2012 diff hist +2,369 N Template:Growth potential crow extended Created page with '====Growth Potential==== The failure intensity remaining in the system at the end of the test will depend on the management strategy given by the classification of the Type A and…'
• 21:4221:42, 10 January 2012 diff hist +7 Template:Crow extended model rga No edit summary
• 21:3921:39, 10 January 2012 diff hist −2,343 Template:Crow extended model rga →Growth Potential
• 21:3921:39, 10 January 2012 diff hist +263 N Template:Mtbf goal crow extended Created page with '====MTBF Goal==== <br> When putting together a reliability growth plan, a goal MTBF <math>{{M}_{G}}</math> (or goal failure intensity <math>{{\lambda }_{G}}</math> ) is define…'
• 21:3921:39, 10 January 2012 diff hist −235 Template:Crow extended model rga →MTBF Goal
• 21:3821:38, 10 January 2012 diff hist +1,210 N Template:Effectiveness factor crow extended Created page with '====Effectiveness Factor==== <br> When a delayed corrective action is implemented for a Type B failure mode, in other words a BD mode, the failure intensity for that mode is redu…'
• 21:3821:38, 10 January 2012 diff hist −1,171 Template:Crow extended model rga →Effectiveness Factor
• 21:3721:37, 10 January 2012 diff hist +2,094 N Template:Management strategy ratio crow extended Created page with '====Management Strategy Ratio & Initial Failure Intensity==== When a system is tested and failure modes are observed, management can make one of two possible decisions, either to…'
• 21:3721:37, 10 January 2012 diff hist −2,052 Template:Crow extended model rga →Management Strategy Ratio & Initial Failure Intensity
• 21:3721:37, 10 January 2012 diff hist +23,631 N Template:Crow extended model rga Created page with '==Crow Extended Model== ===Introduction=== The Crow Extended model for reliability growth planning is a revised and improved version of the MIL-HDBK-189 growth curve [13]. MIL-HD…'
• 21:3721:37, 10 January 2012 diff hist −23,604 Template:Reliability growth planning rga →Crow Extended Model
• 21:3421:34, 10 January 2012 diff hist +49,200 N Template:Reliability growth planning rga Created page with '=Reliability Growth Planning= ==Background== In developmental reliability growth testing, the objective is to test a system, find problem failure modes, at some point incorporate…'
• 21:3421:34, 10 January 2012 diff hist −49,165 Reliability Growth Planning →Reliability Growth Planning
• 21:3121:31, 10 January 2012 diff hist −5,952 Template:Statistical tests for effectiveness of corrective actions crow rga →Average vs. Demonstrated Failure Intensities Test
• 21:2921:29, 10 January 2012 diff hist +4,032 N Template:Avg failure intensities test crow rga Created page with '===Average Failure Intensities Test=== <br> The purpose of this test is to compare the average failure intensity during Phase 2 with the average failure intensity during Phase 1.…'
• 21:2921:29, 10 January 2012 diff hist −3,990 Template:Statistical tests for effectiveness of corrective actions crow rga →Average Failure Intensities Test
• 21:2921:29, 10 January 2012 diff hist +10,916 N Template:Statistical tests for effectiveness of corrective actions crow rga Created page with '==Statistical Tests for Effectiveness of Corrective Actions== ===Introduction=== The purpose of the statistical tests is to explore the effectiveness of corrective actions durin…'
• 21:2921:29, 10 January 2012 diff hist −10,846 Crow Extended - Continuous Evaluation →Statistical Tests for Effectiveness of Corrective Actions
• 21:2821:28, 10 January 2012 diff hist +7,395 N Template:Discrete data crow rga Created page with '==Discrete Data== <br> The Crow Extended - Continuous Evaluation model also can be applied for discrete data from one-shot (success/failure) testing. In RGA 7, the Multi-Phase > …'
• 21:2821:28, 10 January 2012 diff hist −7,369 Crow Extended - Continuous Evaluation →Discrete Data
• 21:2721:27, 10 January 2012 diff hist +6,248 N Template:Growth potential and projections crow rga Created page with '===Growth Potential and Projections=== <br> The failure intensity left in the system will depend on the management strategy that determines the classification of the A, BC and BD…'
• 21:2721:27, 10 January 2012 diff hist −6,203 Crow Extended - Continuous Evaluation →Growth Potential and Projections
• 21:2621:26, 10 January 2012 diff hist +4,218 N Template:Effectiveness factor crow rga Created page with '===Effectiveness Factors=== <br> As discussed in Chapter 9, it is very important to note that failure modes are rarely totally eliminated by a corrective action. After failure mo…'
• 21:2621:26, 10 January 2012 diff hist −4,185 Crow Extended - Continuous Evaluation →Effectiveness Factors
• 21:2521:25, 10 January 2012 diff hist +1,064 N Template:P ratio crow rga Created page with ' ===<math>p</math> Ratio=== <br> In the Crow Extended - Continuous evaluation, there is a certain probability of not incorporating a corrective action by time <math>T</math> .…'
• 21:2521:25, 10 January 2012 diff hist −1,046 Crow Extended - Continuous Evaluation →p Ratio
• 21:2421:24, 10 January 2012 diff hist +2,655 N Template:Event codes crow rga Created page with '===Event Codes=== <br> The Crow Extended - Continuous Evaluation model uses a column to indicate the events that occurred during testing. Within RGA, event codes are entered with…'
• 21:2421:24, 10 January 2012 diff hist −2,631 Crow Extended - Continuous Evaluation →Event Codes
• 21:2421:24, 10 January 2012 diff hist +3,427 N Template:Classifications crow rga Created page with '===Classifications=== Under the Crow Extended - Continuous Evaluation model, corrective actions can be fixed at the time of failure or delayed to a later time (before time <math…'
• 21:2421:24, 10 January 2012 diff hist −3,400 Crow Extended - Continuous Evaluation →Crow Extended - Continuous Evaluation
• 21:1021:10, 10 January 2012 diff hist +2,956 N Template:Iterations rga Created page with '====Iterations==== When recording modes for transfer from the Multiple Systems with Event Codes to a Crow Extended -Continuous Evaluation equivalent single system, it is recommen…'
• 21:0921:09, 10 January 2012 diff hist −2,938 Template:Crow extended equivalent single system rga →Iterations
• 21:0921:09, 10 January 2012 diff hist +2,662 N Template:Transferring to crow extended-continuous rga Created page with '====Transferring to Crow Extended - Continuous Evaluation Equivalent Single System==== RGA provides the capability to transfer a Multiple Systems with Event Codes data sheet to v…'
• 21:0821:08, 10 January 2012 diff hist −2,613 Template:Crow extended equivalent single system rga →Transferring to Crow Extended - Continuous Evaluation Equivalent Single System
• 21:0821:08, 10 January 2012 diff hist +13,025 N Template:Crow extended equivalent single system rga Created page with '===Crow Extended Equivalent Single System=== In order to analyze a Multiple Systems with Event Codes data sheet, the data are converted into a Crow Extended equivalent single sys…'
• 21:0721:07, 10 January 2012 diff hist −12,979 Template:Multiple systems with event codes rga →Crow Extended Equivalent Single System
• 21:0721:07, 10 January 2012 diff hist +1,915 N Template:Event codes rga Created page with '===Event Codes=== The Multiple Systems with Event Codes data type analyzed with the Crow Extended model uses a column to indicate the types of events that occurred during a test …'