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《中国化学工程学报(英文版)》 2012-06
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A Review for Model Plant Mismatch Measures in Process Monitoring

WANG Hong1 , XIE Lei2 and SONG Zhihuan1, ** 1 State Key Laboratory of Industrial Control Technology, Institute of Industrial Process Control, Zhejiang University, Hangzhou 310027, China 2 Institute of Cyber-Systems and Control, Zhejiang University, Hangzhou 310027, China  
Model is usually necessary for the design of a control loop. Due to simplification and unknown dynamics, model plant mismatch is inevitable in the control loop. In process monitoring, detection of mismatch and evaluation of its influences are demanded. In this paper several mismatch measures are presented based on different model descriptions. They are categorized into different groups from different perspectives and their potential in detection and diagnosis is evaluated. Two case studies on mixing process and distillation process demonstrate the efficacy of the framework of mismatch monitoring.
【Fund】: Supported in part by the National Basic Research Program of China (2012CB720500);; the Erasmus Mundus Europe Asia(EMEA) Scholarship Program
【CateGory Index】: TP274
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