CIESC Journal ›› 2019, Vol. 70 ›› Issue (2): 541-547.doi: 10.11949/j.issn.0438-1157.20181366

• Process system engineering • Previous Articles     Next Articles

Infinite horizon linear quadratic hybrid fault-tolerant control for multi-phase batch process

Limin WANG1(),Libin LU1,Furong GAO2,Donghua ZHOU3   

  1. 1. School of Mathematics and Statistics, Hainan Normal University, Haikou 571158, Hainan, China
    2. Department of Chemical and Biomolecular Engineering, Hong Kong University of Science and Technology, Hong Kong, China
    3. College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
  • Received:2018-11-07 Revised:2018-11-23 Online:2019-02-05 Published:2018-12-04
  • Contact: Limin WANG E-mail:wanglimin0817@163.com

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Abstract:

A hybrid fault-tolerant controller with infinitely adjustable time-domain parameters is designed to ensure fault-tolerant control performance. Firstly a multi-phase state space model by acquiring input and output data is established, and further the state space model is into transformed an extended state space model containing state variables and output tracking errors, and the switched system model is used to represent it, so as to design the controller in an infinite horizon. Then, to obtain the minimum running time, the dwell time method depending on the Lyapunov function is proposed for different stages. Finally, taking the injection molding process as an example, the system simulation is carried out. The simulation shows that the proposed method is feasible and effective.

Key words: batch processes, switched systems, process control, control, systems engineering, actuator failure

CLC Number: 

  • TB 114.43

Fig.1

Tracking error of the 20th batch"

Fig.2

The 20th batch of one-dimensional input"

Fig.3

The 20th of batch one-dimensional output(1bar=0.1 MPa)"

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doi: 10.1109/TIE.2018.2873133
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