自然科学版 英文版
自然科学版 英文版
自然科学版 英文版

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中南大学学报(英文版)

Journal of Central South University

Vol. 24    No. 3    March 2017

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Temperature fault-tolerant control system of CSTR with coil and jacket heat exchanger based on dual control and fault diagnosis
WANG Zai-ying(王再英), WANG Guo-xin(王国鑫)

School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China

Abstract:For the characteristics of the continuous stirred-tank reactor (CSTR) with coil and jacket cooling system, a CSTR temperature dual control solution based on the analysis of the CSTR exothermic reaction control characteristic was proposed for an organic material polymerization production. The control solution has passive fault-tolerant ability for the jacket cooling water cutting off fault and active fault-tolerant potential for the coil cooling water cutting off fault, and it has good control ability, high saving energy and reducing consumption performance. Fault detection and diagnosis and fault-tolerant control strategy are designed for the coil cooling fault to achieve the active fault-tolerant control function. The CSTR temperature dual control, process fault detection and diagnosis and active fault-tolerant control were full integrated into the CSTR temperature fault-tolerant control system, which achieve fault tolerance control of CSTR temperature for any severe malfunction of jacket cooling or coil cooling cutting off, and the security for CSTR exothermic reaction is improved. Finally, the effectiveness of this system was validated by semi-physical simulation experiment.

 

Key words: continuous stirred-tank reactor (CSTR); exothermic reaction; dual control; process fault diagnosis; fault-tolerant control

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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