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Method and apparatus for detecting and identifying faulty sensors in a process 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06F-011/08
출원번호 US-0514497 (1995-08-11)
발명자 / 주소
  • Qin S. Joe (Austin TX) Dunia Ricardo H. (Austin TX) Hayes Randall L. (Georgetown TX)
출원인 / 주소
  • Fisher-Rosemount Systems, Inc. (Austin TX 02)
인용정보 피인용 횟수 : 182  인용 특허 : 16

초록 ▼

A method and apparatus is provided for detecting a faulty sensor within a process control system having a set of sensors, each of which produces an associated sensor output signal. The method and apparatus produce a set of sensor estimate signals from the sensor output signals using principal compon

대표청구항 ▼

A method of detecting a faulty sensor within a process control system having a set of sensors each of which produces an associated sensor output signal, the method comprising the steps of: producing a set of sensor estimate signals from a combination of a plurality of the sensor output signals where

이 특허에 인용된 특허 (16)

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  4. Angell David (Poughkeepsie NY) Radens Carl J. (Poughkeepsie NY), End-point detection.
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  5. Kayama Masahiro (Hitachi JPX) Morooka Yasuo (Hitachi JPX) Sugita Yoichi (Hitachi JPX) Nakajima Masaaki (Hitachi JPX), Failure diagnosis apparatus and a method thereof.
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  6. Smith Thomas B. (Atkinson NH), Measurement of material composition and properties.
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  7. Brotherton Walter W. (Monroeville PA), Method and apparatus for determining weighted average of process variable.
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  8. Sirat Jacques A. (Versailles FRX) Zwierski Didier E. (Saint-Maur-Des-Fosses FRX), Method of processing signal data on the basis of principal component transform, apparatus for performing the method.
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  9. Dechene Ronald L. (Boxford MA) Smith Thomas B. (Atkinson NH) Day David R. (Charlestown MA) Tanzer Christian I. (Bedford MA) Marino Scott A. (Haverhill MA) Tache Ronald J. (Malden MA) Roy Ajoy K. (Dan, NMR system for measuring polymer properties.
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  12. Richardson John (Palatine IL) Kye Larry M. (Hoffman Estates IL) Brickhouse Mark D. (Abingdon MD) Engstrom Gary G. (Kenosha WI) Schlager Kenneth J. (Elm Grove WI) Kahle Scott J. (Oconomowoc WI) Kelly , Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics.
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  14. Kurihara Nobuo (Hitachiota JPX) Ishii Toshio (Mito JPX) Mukaihira Takashi (Katsuta JPX) Kawano Kazuya (Katsuta JPX) Takaku Yutaka (Katsuta JPX), System for diagnosing engine exhaust gas purifying device and system for diagnosing sensor.
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