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METHOD AND APPARATUS FOR MONITORING PROCESSOR INTEGRITY IN A DISTRIBUTED CONTROL MODULE SYSTEM FOR A POWERTRAIN SYSTEM

  • US 20090112392A1
  • Filed: 10/03/2008
  • Published: 04/30/2009
  • Est. Priority Date: 10/27/2007
  • Status: Active Grant
First Claim
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1. A method for monitoring a main control module operative to command first and second motor control processors of a hybrid powertrain system, the method comprising:

  • signally connecting a programmable logic device to the main control module and the first and second motor control processors;

    communicating a first seed signal from the programmable logic device to the main control module;

    determining an invalid key signal in the main control module in response to the first seed signal; and

    communicating the invalid key signal to the programmable logic device.

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