Operator-Based Sliding-Mode Nonlinear Control Design for a Process with Input Constraint
Dongyun Wang*, Fengguang Li*, Shengjun Wen*, Xiaomin Qi*, Ping Liu*, and Mingcong Deng**
*School of Electrical and Information Engineering, Zhongyuan University of Technology
No.41 Zhongyuan Load, Zhengzhou 450007, China
**Department of Electrical and Electronic Engineering, Tokyo University of Agriculture and Technology
2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
In this paper, operator-based sliding-mode nonlinear control is presented for a process with input constraint. After the mathematical model is discussed for the water level process, it is seen that there exist uncertainty and input constraint in the process. Operator-based robust nonlinear control is then considered by using robust right coprime factorization method to eliminate the effect of uncertainty. Furthermore, operator-based sliding-mode nonlinear control is proposed to deal with the constrained input. Finally, simulation and experimental results are given to show the effectiveness of the proposed method.
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