SCI和EI收录∣中国化工学会会刊

›› 2016, Vol. 24 ›› Issue (9): 1243-1251.

• Process Systems Engineering and Process Safety • 上一篇    下一篇

Nonlinear adaptive switching control for a class of non-affine nonlinear systems

Miao Huang1,2, XinWang3, Zhenlei Wang1,   

  1. 1 Key Laboratory of Advanced Control and Optimization for Chemical Processes, East China University of Science and Technology, Shanghai 200237, China;
    2 School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
    3 Center of Electrical & Electronic Technology, Shanghai Jiao Tong University, Shanghai 200240, China
  • 收稿日期:2015-06-27 修回日期:2015-11-20 出版日期:2016-09-28 发布日期:2016-11-11
  • 通讯作者: Zhenlei Wang,E-mail address:wangzhen_l@ecust.edu.cn
  • 基金资助:
    Supported by the National Natural Science Foundation of China (61333010, 21376077, 61203157), the Natural Science Foundation of Shanghai (14ZR1421800) and State Key Laboratory of Synthetical Automation for Process Industries (PAL-N201404).

Nonlinear adaptive switching control for a class of non-affine nonlinear systems

Miao Huang1,2, XinWang3, Zhenlei Wang1,   

  1. 1 Key Laboratory of Advanced Control and Optimization for Chemical Processes, East China University of Science and Technology, Shanghai 200237, China;
    2 School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
    3 Center of Electrical & Electronic Technology, Shanghai Jiao Tong University, Shanghai 200240, China
  • Received:2015-06-27 Revised:2015-11-20 Online:2016-09-28 Published:2016-11-11
  • Supported by:
    Supported by the National Natural Science Foundation of China (61333010, 21376077, 61203157), the Natural Science Foundation of Shanghai (14ZR1421800) and State Key Laboratory of Synthetical Automation for Process Industries (PAL-N201404).

摘要: An improved nonlinear adaptive switching control method is presented to relax the assumption on the higher order nonlinear terms of a class of discrete-time non-affine nonlinear systems. The proposed control strategy is composed of a linear adaptive controller, a neural network (NN) based nonlinear adaptive controller and a switching mechanism. An incremental model is derived to represent the considered system and an improved robust adaptive law is chosen to update the parameters of the linear adaptive controller. A new performance criterion of the switching mechanism is designed to select the proper controller. Using this control scheme, all the signals in the system are proved to be bounded. Numerical examples verify the effectiveness of the proposed algorithm.

关键词: Non-affine nonlinear systems, Nonlinear adaptive switching control, Incremental model

Abstract: An improved nonlinear adaptive switching control method is presented to relax the assumption on the higher order nonlinear terms of a class of discrete-time non-affine nonlinear systems. The proposed control strategy is composed of a linear adaptive controller, a neural network (NN) based nonlinear adaptive controller and a switching mechanism. An incremental model is derived to represent the considered system and an improved robust adaptive law is chosen to update the parameters of the linear adaptive controller. A new performance criterion of the switching mechanism is designed to select the proper controller. Using this control scheme, all the signals in the system are proved to be bounded. Numerical examples verify the effectiveness of the proposed algorithm.

Key words: Non-affine nonlinear systems, Nonlinear adaptive switching control, Incremental model

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