Blueprint for a Comprehensive Reliability Program
TABLEOFCONTENTS1Introduction...................................................................................................1
2FoundationsofReliability............................................................................2
2.1FosteringaCultureofReliability..........................................................................2
2.2ProductMission...................................................................................................3
2.2.1ReliabilitySpecifications.............................................................................................3
2.3UniversalFailureDefinitions................................................................................4
3ReliabilityTesting.........................................................................................6
3.1CustomerUsageProfiling....................................................................................6
3.2TestTypes...........................................................................................................6
3.2.1DevelopmentTesting..................................................................................................7
3.2.2ManufacturingTesting................................................................................................8
4FieldData.....................................................................................................10
4.1The“Disconnect”BetweenIn-HouseandFieldData.........................................10
4.2SalesandForecasting(Shipping)Data.............................................................10
4.3WarrantyData....................................................................................................11
4.4FieldServiceData..............................................................................................11
4.5CustomerSupportData.....................................................................................12
4.6ReturnedParts/FailureAnalysisData................................................................12
5DataCollection............................................................................................13
5.1In-HouseTestDataCollection...........................................................................13
5.1.1TestLog....................................................................................................................14
5.1.2FailureLog................................................................................................................14
5.1.3ServiceLog...............................................................................................................15
5.2FieldDataCollection..........................................................................................16
5.2.1ReliaSoft’sDashboard..............................................................................................16
6DataAnalysisandReporting.....................................................................19
6.1Non-ParametricAnalysis...................................................................................19
6.1.1Non-ParametricReliabilityAnalysis..........................................................................19
6.2ParametricAnalysis...........................................................................................21
6.2.1ExamplesofReportingforParametricDataAnalysis..............................................22
6.2.1.1ProbabilityPlot...................................................................................................22
6.2.1.2ReliabilityFunction............................................................................................23
6.2.1.3ProbabilityDensityFunction..............................................................................23
6.2.1.4FailureRateFunction........................................................................................23
6.2.1.5Lifevs.Stress....................................................................................................24
6.2.1.6LikelihoodFunction............................................................................................24
6.2.1.7ReliabilityImportance........................................................................................25
6.2.1.8ReliabilityGrowth...............................................................................................25
7BringingItAllTogether..............................................................................26
7.1ConnectingFieldandLabData.........................................................................26
7.2ReliabilityGrowth...............................................................................................26
7.3OptimumDesignLevelDetermination...............................................................27
7.4CompetitiveAssessment...................................................................................28
7.5MarketingandAdvertising.................................................................................28 TKS！
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