DE60220438D1 - Erkennung und nachweis von instabilitäten in steuerventilen - Google Patents

Erkennung und nachweis von instabilitäten in steuerventilen

Info

Publication number
DE60220438D1
DE60220438D1 DE60220438T DE60220438T DE60220438D1 DE 60220438 D1 DE60220438 D1 DE 60220438D1 DE 60220438 T DE60220438 T DE 60220438T DE 60220438 T DE60220438 T DE 60220438T DE 60220438 D1 DE60220438 D1 DE 60220438D1
Authority
DE
Germany
Prior art keywords
instabilities
identification
detection
control valves
valves
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 - Lifetime
Application number
DE60220438T
Other languages
English (en)
Other versions
DE60220438T2 (de
Inventor
Kenneth W Junk
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.)
Fisher Controls International LLC
Original Assignee
Fisher Controls International LLC
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 Fisher Controls International LLC filed Critical Fisher Controls International LLC
Publication of DE60220438D1 publication Critical patent/DE60220438D1/de
Application granted granted Critical
Publication of DE60220438T2 publication Critical patent/DE60220438T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G05B23/0229—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 knowledge based, e.g. expert systems; genetic algorithms
    • 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
    • G05B5/00—Anti-hunting arrangements
    • G05B5/01—Anti-hunting arrangements electric
DE60220438T 2001-12-05 2002-10-15 Erkennung und nachweis von instabilitäten in steuerventilen Expired - Lifetime DE60220438T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6955 2001-12-05
US10/006,955 US6804618B2 (en) 1997-09-29 2001-12-05 Detection and discrimination of instabilities in process control loops
PCT/US2002/032745 WO2003054640A1 (en) 2001-12-05 2002-10-15 Detection and discrimination of instabilities in process control loops

Publications (2)

Publication Number Publication Date
DE60220438D1 true DE60220438D1 (de) 2007-07-12
DE60220438T2 DE60220438T2 (de) 2008-01-31

Family

ID=21723450

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60220438T Expired - Lifetime DE60220438T2 (de) 2001-12-05 2002-10-15 Erkennung und nachweis von instabilitäten in steuerventilen

Country Status (11)

Country Link
US (2) US6804618B2 (de)
EP (1) EP1451649B1 (de)
JP (1) JP4944361B2 (de)
CN (1) CN1599889B (de)
AR (1) AR037156A1 (de)
AU (1) AU2002340197A1 (de)
BR (2) BRPI0214656B1 (de)
CA (1) CA2467340C (de)
DE (1) DE60220438T2 (de)
MX (1) MXPA04005125A (de)
WO (1) WO2003054640A1 (de)

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Also Published As

Publication number Publication date
CN1599889A (zh) 2005-03-23
JP4944361B2 (ja) 2012-05-30
AU2002340197A1 (en) 2003-07-09
BRPI0214656B1 (pt) 2020-11-10
AR037156A1 (es) 2004-10-27
CN1599889B (zh) 2010-12-08
WO2003054640A1 (en) 2003-07-03
US7039537B2 (en) 2006-05-02
US6804618B2 (en) 2004-10-12
MXPA04005125A (es) 2004-08-11
EP1451649B1 (de) 2007-05-30
DE60220438T2 (de) 2008-01-31
CA2467340C (en) 2013-06-25
JP2005514676A (ja) 2005-05-19
US20020040284A1 (en) 2002-04-04
BR0214656A (pt) 2004-09-14
EP1451649A1 (de) 2004-09-01
US20050021298A1 (en) 2005-01-27
CA2467340A1 (en) 2003-07-03

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