DocumentCode :
697468
Title :
Actuator fault diagnosis in a continuous stirred tank reactor using identification techniques
Author :
Patton, Ron J. ; Lopez Toribio, C.J. ; Simani, Silvio ; Morris, Julian ; Martin, Elaine ; Jie Zhang
Author_Institution :
Sch. of Eng., Univ. of Hull., Kingston upon Hull, UK
fYear :
2001
fDate :
4-7 Sept. 2001
Firstpage :
2729
Lastpage :
2734
Abstract :
This paper presents a model-based procedure for the detection and isolation of actuator faults in a chemical process. The diagnosis system is based on the estimation of process outputs. A dynamic Multi-input, multiple output (MIMO) process of the process under investigation is obtained by identification procedures, exploiting both Auto Regressive exogenous and Takagi-Sugeno (T-S) fuzzy input-output systems. Fuzzy systems are exploited to cope with different process working conditions. Residual analysis and geometrical tests are then used for fault detection and isolation, respectively. The proposed designs were evaluated using a benchmark simulation of a Continuous Stirred Tank Reactor.
Keywords :
MIMO systems; actuators; autoregressive processes; chemical engineering; chemical reactors; fault tolerant control; fuzzy control; Takagi-Sugeno fuzzy input-output system; actuator fault detection; actuator fault diagnosis; actuator fault isolation; autoregressive exogenous system; chemical process; continuous stirred tank reactor; dynamic MIMO process; dynamic multiple input multiple output process; geometrical tests; identification technique; model-based procedure; residual analysis; Actuators; Chemical reactors; Fault detection; Inductors; Mathematical model; Predictive models; Valves; actuator fault diagnosis; analytical redundancy; chemical process; equation error models and fuzzy systems; model-based FDI; multiple-model; system identification;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Control Conference (ECC), 2001 European
Conference_Location :
Porto
Print_ISBN :
978-3-9524173-6-2
Type :
conf
Filename :
7076343
Link To Document :
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