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Generating a reliability analysis by identifying causal relationships between events in an event-based manufacturing system

  • US 20050278052A1
  • Filed: 06/15/2004
  • Published: 12/15/2005
  • Est. Priority Date: 06/15/2004
  • Status: Active Grant
First Claim
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1. A method for analyzing reliability of a manufacturing system, said method comprising:

  • receiving an event chronology having a plurality of chronologically ordered event records, each of the plurality of chronologically ordered event records having a machine section value associated therewith;

    identifying an adverse event record in the received event chronology;

    determining a relationship between the adverse event record and at least one previous event record in the event chronology by comparing the machine section value of the identified adverse event record and the machine section value of the previous event record; and

    incrementing a value representative of a correlation between the identified adverse event record and the previous event record as a function of the determined relationship.

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