Determine and design the best alt
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Determine and Design the Best ALT Fred Schenkelberg, Consultant January 23 rd thru 26 th , 2012 RAMS Session 13C
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Paper presented at the 2012 RAMS about a method to select the best accelerated life test with consideration of 6 important factors.
Transcript of Determine and design the best alt
Determine and Designthe Best ALT
Fred Schenkelberg, ConsultantJanuary 23rd thru 26th, 2012
RAMS Session 13C
Selection Criteria
Selection CriteriaMeaningful Results
Selection CriteriaMeaningful ResultsMeasures
Threshold
Unrelated
Surrogate
Direct
Meaningful Results:Measures
Meaningful ResultsMeasuresCost
Selection Criteria
Threshold
Prohibitive
Budget
Inexpensive
Cost
Meaningful ResultsMeasuresCostPrecisionDurationSamples
Selection Criteria
ALT APPROACHESConsider the alternative ways to conduct the testing
Example CaseCapacitor24/7 operationHigh voltage loadOutdoor environment
Insulation breakdown failure mechanism
Let’s consider some ALT options
Time Compression
Build a Model
Given a Model
Peck’s Relationship
Step Stress
Degradation
Example CaseCapacitor24/7 operationHigh voltage loadOutdoor environment
Insulation breakdown failure mechanism
3 viable ALT options
SelectAssume a Model
ALT Selection
Questions?
![Blackmagic Fusion Keyboard Shortcuts · Viewer Spline Editor Blackmagic Fusion Keyboard Shortcuts alt [+ alt ← + Last Keyframe alt ] + alt → + Next Keyframe ctrl + drag: to selection:](https://static.fdocuments.us/doc/165x107/5e9af199383e7e73741f2919/blackmagic-fusion-keyboard-shortcuts-viewer-spline-editor-blackmagic-fusion-keyboard.jpg)
