L13_Reliability

L13_Reliability - Plan for the Session Guest lecture by...

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Unformatted text preview: Plan for the Session Guest lecture by Eric Feron (1 hour) Quiz on Design of Dynamic Systems (15 minutes) Review of Reliability Improvement Case Study -- Router Bit Life (35 minutes) 16.881 MIT Learning Objectives Introduce some basics of reliability engineering Relate reliability to robust design Practice some advanced construction techniques for orthogonal arrays Introduce analysis of ordered categorical data Practice interpreting data from robust design case studies MIT 16.881 Reliability Terminology Reliability function R ( t ) -- The probability that a product will continue to meet its specifications over a time interval Mean Time to Failure MTTF-- The average time T before a unit fails MTTF = R ( t ) dt Instantaneous failure rate ( t ) 0 ( t ) = Pr(System survives to t + dt System survives to t ) t R ( t ) = e 0 ( ) d 16.881 MIT Typical Behavior Early failure period often removed by burn-in Wear out period sometimes avoided by retirement What will the reliability curve R ( t ) look like if early failure and wear out are avoided?...
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This note was uploaded on 11/08/2011 for the course AERO 16.851 taught by Professor Ldavidmiller during the Fall '03 term at MIT.

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L13_Reliability - Plan for the Session Guest lecture by...

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