WO2008040018A3 - Abnormal situation prevention in a heat exchanger - Google Patents

Abnormal situation prevention in a heat exchanger Download PDF

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Publication number
WO2008040018A3
WO2008040018A3 PCT/US2007/079989 US2007079989W WO2008040018A3 WO 2008040018 A3 WO2008040018 A3 WO 2008040018A3 US 2007079989 W US2007079989 W US 2007079989W WO 2008040018 A3 WO2008040018 A3 WO 2008040018A3
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
monitoring
abnormal situation
situation prevention
diagnosis
Prior art date
Application number
PCT/US2007/079989
Other languages
French (fr)
Other versions
WO2008040018A2 (en
WO2008040018A9 (en
Inventor
John Philip Miller
Original Assignee
Fisher Rosemount Systems Inc
John Philip Miller
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 Rosemount Systems Inc, John Philip Miller filed Critical Fisher Rosemount Systems Inc
Priority to EP07843553.4A priority Critical patent/EP2057517B1/en
Priority to CN200780036001XA priority patent/CN101535909B/en
Priority to JP2009530658A priority patent/JP5197610B2/en
Publication of WO2008040018A2 publication Critical patent/WO2008040018A2/en
Publication of WO2008040018A3 publication Critical patent/WO2008040018A3/en
Publication of WO2008040018A9 publication Critical patent/WO2008040018A9/en

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
    • G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/021—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system adopting a different treatment of each operating region or a different mode of the monitored system, e.g. transient modes; different operating configurations of monitored system
    • 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
    • G05B17/00—Systems involving the use of models or simulators of said systems
    • G05B17/02—Systems involving the use of models or simulators of said systems electric
    • 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
    • G05B23/0243—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 model based detection method, e.g. first-principles knowledge model
    • G05B23/0254—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 model based detection method, e.g. first-principles knowledge model based on a quantitative model, e.g. mathematical relationships between inputs and outputs; functions: observer, Kalman filter, residual calculation, Neural Networks

Abstract

A system and method Io facilitate the monitoring and diagnosis of a process control system and any elements thereof is disclosed with a specific premise of abnormal situation prevention in a heat exchanger. Monitoring and diagnosis of faults in a heat exchanger includes statistical analysis techniques, such as regression and load following. In particular, on-line process data is collected from an operating heat exchanger. A statistical analysis is used to develop a regression mode! of the process. The output may use a variety of parameters from the model and may include normalized process variables based on the training data, and process variable limits or model components. Each of the outputs may be used to generate visualizations for process monitoring and diagnostics and perform alarm diagnostics to detect abnormal situations in the heat exchanger.
PCT/US2007/079989 2006-09-28 2007-09-28 Abnormal situation prevention in a heat exchanger WO2008040018A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07843553.4A EP2057517B1 (en) 2006-09-28 2007-09-28 Abnormal situation prevention in a heat exchanger
CN200780036001XA CN101535909B (en) 2006-09-28 2007-09-28 Abnormal situation prevention in a heat exchanger
JP2009530658A JP5197610B2 (en) 2006-09-28 2007-09-28 Prevention of abnormal conditions in heat exchangers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84775006P 2006-09-28 2006-09-28
US60/847,750 2006-09-28

Publications (3)

Publication Number Publication Date
WO2008040018A2 WO2008040018A2 (en) 2008-04-03
WO2008040018A3 true WO2008040018A3 (en) 2008-05-22
WO2008040018A9 WO2008040018A9 (en) 2011-03-03

Family

ID=39098962

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/079989 WO2008040018A2 (en) 2006-09-28 2007-09-28 Abnormal situation prevention in a heat exchanger

Country Status (5)

Country Link
US (1) US8762106B2 (en)
EP (2) EP2392982B1 (en)
JP (2) JP5197610B2 (en)
CN (2) CN102789226B (en)
WO (1) WO2008040018A2 (en)

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