U.S. patents available from 1976 to present.
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Method, system and article of manufacture for operating a process

Patent 6453207 Issued on September 17, 2002. Estimated Expiration Date: Icon_subject July 1, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

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Optimization method and system having multiple inputs and multiple output-responses
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Inventors

Assignee

Application

No. 345350 filed on 07/01/1999

US Classes:

700/67, Plural variables700/28, Optimization or adaptive control700/108Performance monitoring

Examiners

Primary: Picard, Leo P.
Assistant: Frank, Elliot

Attorney, Agent or Firm

International Classes

G05B 011/32
G05B 013/02
G06F 019/00

Abstract

A complex industrial process is operated via computer control. Process control data regarding multiple process control variables is collected, along with output data regarding one or more process output properties. One or more of the process control variables is altered for a predetermined time in order to determine which of the process control variables are affecting the one or more process output properties. An effect on the one or more output properties due to the altering is determined, and, if necessary, a set point for the one or more process control variables is altered based on the effect in order to improve the process.

Other References

  • Holmes, Donald S. and Storey, Richard J., "Identifying and Monitoring the Key Factors for Manufacturing Quality Refractories," AISE Annual Convention, Sep. 21-24, 1987, Pittsburgh, PA, 12 pages
  • Holmes, Donald S. and Mergen, A. Erhan, "Improving the Performance of the T2 Control Chart," Marcel Dekker, Inc., Quality Engineering, 5(4), pp. 619-625 (1993
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