×

INTERMITTENT FAULT DETECTION AND REASONING

  • US 20100082197A1
  • Filed: 09/30/2008
  • Published: 04/01/2010
  • Est. Priority Date: 09/30/2008
  • Status: Abandoned Application
First Claim
Patent Images

1. A method for diagnostic reasoning of faults appearing in a vehicle health monitoring system (VHM), comprising:

  • identifying alternatively one of a signal or a fault state change based on an input; and

    if a signal is identified, querying if the signal indicts a failure mode, wherein if the signal indicts the failure mode;

    setting an intermittent watch flag for the failure mode,incrementing a count representing a number of occurrences of the signal as an intermittent fault,determining if the count exceeds a predetermined threshold, andif the count exceeds the predetermined threshold, determining the intermittent fault to be a permanent fault.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×