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Remote diagnostics and prognostics methods for complex systems

  • US 6,745,151 B2
  • Filed: 05/16/2002
  • Issued: 06/01/2004
  • Est. Priority Date: 05/16/2002
  • Status: Active Grant
First Claim
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1. A system for monitoring performance of an apparatus, comprising:

  • a plurality of operational components functioning in said apparatus, each operational component with a predetermined nominal operating state and each generating respective electrical signals pursuant to their operation;

    a data collection memory in said apparatus storing samples of said electrical signals in a rolling buffer;

    an analyzer in said apparatus responsive to said electrical signals for performing data analysis and calculating predetermined parameters to detect a trigger event indicative of at least a potential variance of an operational component from its nominal operating state;

    a computation center located remotely from said apparatus and having a database storing representations of electrical signals for classifying nominal and irregular operating states of said operational components; and

    a transmitter activated by said trigger event to automatically transmit at least some of said stored samples in said rolling buffer at the time of said trigger event to said computation center;

    wherein said computation center receives said transmitted samples and classifies them according to said nominal or irregular operating states.

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