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System and method for detecting an anomalous condition

  • US 7,050,875 B2
  • Filed: 07/01/2003
  • Issued: 05/23/2006
  • Est. Priority Date: 07/01/2003
  • Status: Active Grant
First Claim
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1. A system for analyzing an anomalous condition, comprising:

  • a process for producing a product, including;

    at least one actuator for controlling the process;

    at least one sensor for measuring information pertaining to the status of the process, and for generating output based thereon;

    a parameter extractor for receiving the output from the at least one sensor, and for generating at least one representative value that is characteristic of a pattern expressed in the output;

    a knowledge base for storing data including a plurality of representative values, and also including information which maps the representative values to associated anomalous conditions;

    an analyzer for analyzing the representative value output from the parameter extractor with respect to the data stored in the knowledge base, and for generating a diagnostic result which diagnoses an anomalous condition in the process; and

    control logic for using the diagnostic result to affect corrective action to the process by adjusting the at least one actuator.

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