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Virtual Qualification Using Field Life Temperature Data

[+] Author Affiliations
Patrick McCluskey, Peter Hansen

University of Maryland, College Park, MD

Christian Lenakakis

Hochschule Mannheim University of Applied Science, Mannheim, Germany

Wolfgang Wondrak

Daimler AG, Sindelfingen, Germany

Paper No. InterPACK2009-89184, pp. 781-787; 7 pages
  • ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability
  • ASME 2009 InterPACK Conference, Volume 1
  • San Francisco, California, USA, July 19–23, 2009
  • Conference Sponsors: Electronic and Photonic Packaging Division
  • ISBN: 978-0-7918-4359-8 | eISBN: 978-0-7918-3851-8
  • Copyright © 2009 by ASME


A method is presented that converts field life temperature data collected underhood during actual driving conditions into a segmented temperature cycling life cycle profile using rainflow counting techniques. This profile can then be used as the true field condition in performing Physics of Failure based virtual qualification or accelerated testing of an automotive engine control unit operating in an elevated temperature environment. The specific elements of this method and its validation on an engine control unit will be presented.

Copyright © 2009 by ASME
Topics: Temperature



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