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Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum ( )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998

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Posted by: Chuah Chiew Peng
Organization:University of Sheffield
Date posted: Thu Jul 31 5:32:29 US/Eastern 2003
Subject: Electronics part reliability
I am doing a reliability assessment on a fault tolerant matrix converter that i am designing. Is it safe to assess the reliability of the system from the failure rate datas that i can from the manufacturer and the reliability data handbook from RAC? I am using negative exponential law for calculating the reliabilities of the system. Please advice.


Subject: Reliability Fault Tolerance
Reply Posted by: D.D.Dylis ( )
Organization: RAC
Date Posted: Thu Jul 31 13:46:58 US/Eastern 2003
For fault tolerant designs, one needs to model the configuration and perform either model simulation or reliability estimations using redundancy equations. Model simulations can be performed using software programs such as RAPTOR, ReliaSoft BlockSim, RAM RBD, Item RBD Module, or Relex RBD . Redundancy equations for hand calculations are available in many reliability books including the Reliability Toolkit; Commercial Practices Edition. The failure rate data that you refer to is used as the building block in the modeling process. I would suggest that you obtain books, software programs or guides on reliability modeling and prediction processes. The RAC has lots of guides in our product catalog which you can see at our web page ,>.

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