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SYSTEM AND METHODS FOR FAULT-ISOLATION AND FAULT-MITIGATION BASED ON NETWORK MODELING

  • US 20120303348A1
  • Filed: 05/23/2011
  • Published: 11/29/2012
  • Est. Priority Date: 05/23/2011
  • Status: Active Grant
First Claim
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1. A method for identifying an information monitoring point in an electrical and electronic system (EES) on a vehicle, said method comprising:

  • defining a network model of the EES where potential monitoring points in the model are identified as targets;

    determining a betweenness centrality metric for each target in the model as a summation of a ratio of a total number of shortest paths between each pair of targets in the model and a number of those shortest paths that pass through the target whose betweenness centrality metric is being determined;

    selecting a minimum betweenness centrality metric threshold;

    identifying which of the determined betweenness centrality metrics for each of the targets is greater than the threshold;

    defining a minimum degree of neighbor factor that defines a predetermined coverage of a target relative to all of the other targets;

    determining which of the targets having a betweenness centrality metric greater than the threshold has a degree of neighbor factor greater than the minimum degree of neighbor factor; and

    identifying a target as the monitoring point that has the highest betweenness centrality metric above the threshold and that has a degree of neighbor factor that satisfies the predetermined coverage.

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