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Method and system for diagnosing machine malfunctions

  • US 6,947,797 B2
  • Filed: 07/24/2002
  • Issued: 09/20/2005
  • Est. Priority Date: 04/02/1999
  • Status: Expired due to Term
First Claim
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1. A computer implemented method for diagnosing a malfunction of a machine, the method comprising:

  • receiving sequential operating parameter data from a machine;

    receiving a fault indication from the machine;

    selecting sequential operating parameter data from a selectively focused time interval about the fault indication;

    developing characterizing information from the sequential operaating paramerer data over the selectively focused time interval; and

    using the characterizing information and the fault indication to diagnose a malfunction of the machine.

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