PRISM Forum - Message Replies


Topic: PRISM Questions and Answers
Topic Posted by: SRC (src_forum@alionscience.com )
Organization: SRC
Date Posted: Wed Jan 12 8:33:33 US/Eastern 2000
Topic Description: Welcome to the PRISM forum! Please feel free to post your questions and comments about the PRISM assessment software here.

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Original Message:

Posted by: Travis Todd (travis.L.todd@vanderbilt.edu )
Organization:Vanderbilt University
Date posted: Mon Jun 24 14:28:41 US/Eastern 2002
Subject: Examples for Comparison
Message:
Has anyone out there compared the results from projects you've done WITHOUT using reliability software to ones that you HAVE used PRISM on? I'd like to take a system that was analyzed without PRISM and compare the failure rates with what PRISM predicts. If anyone has a sample system that I could create in PRISM, please contact me so that we could exchange information and results. Thank you for your help.


Reply:

Subject: PRISM Field and Predicted Comparison
Reply Posted by: David Dylis (ddylis@alionscience.com )
Organization: Reliability Analysis Center (RAC)
Date Posted: Wed Jun 26 9:17:15 US/Eastern 2002
Message:
TRW Automotive (formerly TRW Chassis System Division) in Detroit, MI recently completed a 10 month in-house effort to identify improved methodologies for assessing reliability and determining warranty costs. The results of this study were published in the first quarter 2002 RAC Journal . The study consisted of acquiring a thorough understanding of the methodology itself, conducting a PRISM assessment on a system with demonstrated performance, and critically analyzing the PRISM results, including predicted vs. actual failure rates and predicted high failure rate contributors. Results of the effort were positive, with TRW training a team of internal PRISM experts and adopting PRISM methodology as a starting point in a comprehensive methodology to cover a wide range of electro-mechanical systems.


Reply:

Subject: PRISM Comparison
Reply Posted by: Michelle Li (michelle.li@goodrich.com )
Organization: Goodrich
Date Posted: Fri Jul 19 14:12:25 US/Eastern 2002
Message:
David: Do you know if there is any similar PRISM evaluation done in aerospace? Thanks. Michelle


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