A New Optimal Control System Design for Chemical Processes

doi:10.1016/S1004-9541(13)60642-4

Chin.J.Chem.Eng. ›› 2013, Vol. 21 ›› Issue (12): 1341-1346.DOI: 10.1016/S1004-9541(13)60642-4

• PROCESS SYSTEMS ENGINEERING • Previous Articles Next Articles

A New Optimal Control System Design for Chemical Processes

CONG Erding^1,2, HU Minghui¹, TU Shandong¹, SHAO Huihe³

1 Key Laboratory of Pressure Systems and Safety of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China;
2 Petro-China Jilin Petrochemical Company, Jilin 132021, China;
3 School of Electrionic, Information and Electrical Engineering, Shanghai Jiaotong University, Shanghai 200240, China

Received:2013-04-12 Revised:2013-11-05 Online:2013-12-27 Published:2013-12-28
Supported by:
Supported by the National Natural Science Foundation of China (51205133), Natural Science Foundation of Shanghai (11ZR1409000), Ph.D. Programs Foundation of Ministry of Education of China (20110074120007).

A New Optimal Control System Design for Chemical Processes

丛二丁^1,2, 胡明慧¹, 涂善东¹, 邵惠鹤³

1 Key Laboratory of Pressure Systems and Safety of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China;
2 Petro-China Jilin Petrochemical Company, Jilin 132021, China;
3 School of Electrionic, Information and Electrical Engineering, Shanghai Jiaotong University, Shanghai 200240, China

通讯作者: HU Minghui
基金资助:
Supported by the National Natural Science Foundation of China (51205133), Natural Science Foundation of Shanghai (11ZR1409000), Ph.D. Programs Foundation of Ministry of Education of China (20110074120007).

Abstract

Abstract: Based on frequency response and convex optimization, a novel optimal control system was developed for chemical processes. The feedforward control is designed to improve the tracking performance of closed loop chemical systems. The parametric model is not required because the system directly utilizes the frequency response of the loop transfer function, which can be measured accurately. In particular, the extremal values of magnitude and phase can be solved according to constrained quadratic programming optimizer and convex optimization. Simulation examples show the effectiveness of the method. The design method is simple and easily adopted in chemical industry.

Key words: control system, frequency response, convex optimization, chemical processes

摘要： Based on frequency response and convex optimization, a novel optimal control system was developed for chemical processes. The feedforward control is designed to improve the tracking performance of closed loop chemical systems. The parametric model is not required because the system directly utilizes the frequency response of the loop transfer function, which can be measured accurately. In particular, the extremal values of magnitude and phase can be solved according to constrained quadratic programming optimizer and convex optimization. Simulation examples show the effectiveness of the method. The design method is simple and easily adopted in chemical industry.

关键词: control system, frequency response, convex optimization, chemical processes

CONG Erding, HU Minghui, TU Shandong, SHAO Huihe. A New Optimal Control System Design for Chemical Processes[J]. Chin.J.Chem.Eng., 2013, 21(12): 1341-1346.

丛二丁, 胡明慧, 涂善东, 邵惠鹤. A New Optimal Control System Design for Chemical Processes[J]. Chinese Journal of Chemical Engineering, 2013, 21(12): 1341-1346.

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A New Optimal Control System Design for Chemical Processes

A New Optimal Control System Design for Chemical Processes

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