DE69800770D1 - Steuersystem mit fehlerdetektion - Google Patents

Steuersystem mit fehlerdetektion

Info

Publication number
DE69800770D1
DE69800770D1 DE69800770T DE69800770T DE69800770D1 DE 69800770 D1 DE69800770 D1 DE 69800770D1 DE 69800770 T DE69800770 T DE 69800770T DE 69800770 T DE69800770 T DE 69800770T DE 69800770 D1 DE69800770 D1 DE 69800770D1
Authority
DE
Germany
Prior art keywords
control system
error detection
error
detection
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69800770T
Other languages
English (en)
Other versions
DE69800770T2 (de
Inventor
K Ho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell Inc
Original Assignee
Honeywell Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell Inc filed Critical Honeywell Inc
Publication of DE69800770D1 publication Critical patent/DE69800770D1/de
Application granted granted Critical
Publication of DE69800770T2 publication Critical patent/DE69800770T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
    • G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
    • G05B23/0237—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on parallel systems, e.g. comparing signals produced at the same time by same type systems and detect faulty ones by noticing differences among their responses
DE69800770T 1997-01-09 1998-01-09 Steuersystem mit fehlerdetektion Expired - Fee Related DE69800770T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/780,906 US5949677A (en) 1997-01-09 1997-01-09 Control system utilizing fault detection
PCT/US1998/000416 WO1998030940A1 (en) 1997-01-09 1998-01-09 Control system utilizing fault detection

Publications (2)

Publication Number Publication Date
DE69800770D1 true DE69800770D1 (de) 2001-06-13
DE69800770T2 DE69800770T2 (de) 2002-05-23

Family

ID=25121055

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69800770T Expired - Fee Related DE69800770T2 (de) 1997-01-09 1998-01-09 Steuersystem mit fehlerdetektion

Country Status (4)

Country Link
US (1) US5949677A (de)
EP (1) EP0951663B1 (de)
DE (1) DE69800770T2 (de)
WO (1) WO1998030940A1 (de)

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US6285298B1 (en) * 2000-02-24 2001-09-04 Rockwell Collins Safety critical system with a common sensor detector
DE10011410A1 (de) * 2000-03-09 2001-09-20 Bosch Gmbh Robert Vorrichtung zur sicheren Signalerzeugung
US6810366B2 (en) * 2002-03-25 2004-10-26 Caterpillar Inc Method and apparatus for filtering a signal using a deadband
US7096074B2 (en) * 2002-05-30 2006-08-22 Insyst Ltd. Methods and apparatus for early fault detection and alert generation in a process
JP3451554B1 (ja) * 2002-06-12 2003-09-29 オムロン株式会社 異常検出方法、異常検出装置および温度調節器
US6996442B2 (en) * 2003-01-15 2006-02-07 Xerox Corporation Systems and methods for detecting impending faults within closed-loop control systems
US7412842B2 (en) 2004-04-27 2008-08-19 Emerson Climate Technologies, Inc. Compressor diagnostic and protection system
US7275377B2 (en) 2004-08-11 2007-10-02 Lawrence Kates Method and apparatus for monitoring refrigerant-cycle systems
US7424395B2 (en) * 2004-09-10 2008-09-09 Exxonmobil Research And Engineering Company Application of abnormal event detection technology to olefins recovery trains
US7567887B2 (en) 2004-09-10 2009-07-28 Exxonmobil Research And Engineering Company Application of abnormal event detection technology to fluidized catalytic cracking unit
US20060074598A1 (en) * 2004-09-10 2006-04-06 Emigholz Kenneth F Application of abnormal event detection technology to hydrocracking units
US7349746B2 (en) * 2004-09-10 2008-03-25 Exxonmobil Research And Engineering Company System and method for abnormal event detection in the operation of continuous industrial processes
US20110178963A1 (en) * 2004-10-28 2011-07-21 Insyst Ltd. system for the detection of rare data situations in processes
US7788536B1 (en) 2004-12-21 2010-08-31 Zenprise, Inc. Automated detection of problems in software application deployments
US7761172B2 (en) * 2006-03-21 2010-07-20 Exxonmobil Research And Engineering Company Application of abnormal event detection (AED) technology to polymers
US7720641B2 (en) * 2006-04-21 2010-05-18 Exxonmobil Research And Engineering Company Application of abnormal event detection technology to delayed coking unit
US8590325B2 (en) 2006-07-19 2013-11-26 Emerson Climate Technologies, Inc. Protection and diagnostic module for a refrigeration system
US20080216494A1 (en) 2006-09-07 2008-09-11 Pham Hung M Compressor data module
US20090037142A1 (en) 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
US9140728B2 (en) 2007-11-02 2015-09-22 Emerson Climate Technologies, Inc. Compressor sensor module
US7970583B2 (en) * 2007-12-28 2011-06-28 United Technologies Corporation Degraded actuator detection
US8326553B2 (en) 2010-01-05 2012-12-04 Hamilton Sundstrand Corporation Fault detection in a system under control
US8862250B2 (en) 2010-05-07 2014-10-14 Exxonmobil Research And Engineering Company Integrated expert system for identifying abnormal events in an industrial plant
US8401676B2 (en) * 2010-08-18 2013-03-19 International Business Machines Corporation Performance improvement of signal transformation schemes for ultra-fast scanning
WO2012118830A2 (en) 2011-02-28 2012-09-07 Arensmeier Jeffrey N Residential solutions hvac monitoring and diagnosis
US8964338B2 (en) 2012-01-11 2015-02-24 Emerson Climate Technologies, Inc. System and method for compressor motor protection
US9310439B2 (en) 2012-09-25 2016-04-12 Emerson Climate Technologies, Inc. Compressor having a control and diagnostic module
US9551504B2 (en) 2013-03-15 2017-01-24 Emerson Electric Co. HVAC system remote monitoring and diagnosis
WO2014144446A1 (en) 2013-03-15 2014-09-18 Emerson Electric Co. Hvac system remote monitoring and diagnosis
US9803902B2 (en) 2013-03-15 2017-10-31 Emerson Climate Technologies, Inc. System for refrigerant charge verification using two condenser coil temperatures
AU2014248049B2 (en) 2013-04-05 2018-06-07 Emerson Climate Technologies, Inc. Heat-pump system with refrigerant charge diagnostics
US11558238B1 (en) 2022-01-08 2023-01-17 Bank Of America Corporation Electronic system for dynamic latency reduction through edge computation based on a multi-layered mechanism

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Publication number Priority date Publication date Assignee Title
US3632886A (en) * 1969-12-29 1972-01-04 Peter Scheiber Quadrasonic sound system
CA1026850A (en) * 1973-09-24 1978-02-21 Smiths Industries Limited Dual, simultaneously operating control system with fault detection
JPS5847042B2 (ja) * 1977-03-08 1983-10-20 株式会社日立製作所 異常検知方法
US4199799A (en) * 1978-03-24 1980-04-22 General Electric Company Supervisory circuit for redundant channel control systems
US4509110A (en) * 1982-06-07 1985-04-02 United Technologies Corporation Method and apparatus for detecting failures in a control system
US4675804A (en) * 1983-11-01 1987-06-23 Sundstrand Corporation Control system with variable gain integrator
US4669058A (en) * 1985-09-30 1987-05-26 United Technologies Corporation Integral control of a dependent variable in a system having at least two independent variables which influence the dependent variable
DE3606640A1 (de) * 1986-02-28 1987-10-15 Messerschmitt Boelkow Blohm Adaptive regeleinrichtung hoher genauigkeit und geringen stellenergieverbrauchs
JPH02184281A (ja) * 1989-01-10 1990-07-18 Fanuc Ltd 誤差過大アラーム発生方法
US5249119A (en) * 1990-05-02 1993-09-28 Idemitsu Kosan Company Limited Apparatus for and method of detecting a malfunction of a controller
US5233512A (en) * 1990-06-21 1993-08-03 General Electric Company Method and apparatus for actuator fault detection
US5170341A (en) * 1990-10-24 1992-12-08 Honeywell Inc. Adaptive controller in a process control system and a method therefor
JPH04361330A (ja) * 1991-06-07 1992-12-14 Nippon Steel Corp カウンタの診断装置
US5436826A (en) * 1993-10-20 1995-07-25 United Technologies Corporation Dual control with dual sensor averaging and substitution
US5486997A (en) * 1994-08-04 1996-01-23 General Electric Company Predictor algorithm for actuator control

Also Published As

Publication number Publication date
US5949677A (en) 1999-09-07
DE69800770T2 (de) 2002-05-23
WO1998030940A1 (en) 1998-07-16
EP0951663B1 (de) 2001-05-09
EP0951663A1 (de) 1999-10-27

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee