Global fast terminal sliding mode controller for hydraulic turbine regulating system with actuator dead zone

被引:24
作者
Chen, Zhihuan [1 ,2 ]
Yuan, Xiaohui [1 ]
Wu, Xiaotao [3 ]
Yuan, Yanbin [4 ]
Lei, Xiaohui [5 ]
机构
[1] Huazhong Univ Sci & Technol, Sch Hydropower & Informat Engn, Wuhan 430074, Hubei, Peoples R China
[2] Wuhan Univ Sci & Technol, Minist Educ, Engn Res Ctr Met Automat & Measurement Technol, Wuhan 430081, Hubei, Peoples R China
[3] Huanggang Normal Univ, Coll Math & Stat, Huanggang 438000, Peoples R China
[4] Wuhan Univ Technol, Sch Resource & Environm Engn, Wuhan 430070, Hubei, Peoples R China
[5] China Inst Water Resources & Hydropower Res, State Key Lab Simulat & Regulat Water Cycle River, Beijing 100038, Peoples R China
来源
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 2019年 / 356卷 / 15期
基金
中国国家自然科学基金;
关键词
POWER-CONTROL; DESIGN; ALGORITHM; EQUATION; OBSERVER;
D O I
10.1016/j.jfranklin.2019.08.006
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper investigates the frequency change problem of hydraulic turbine regulating system based on terminal sliding mode control method. By introducing a novel terminal sliding mode surface, a global fast terminal sliding mode controller is designed for the closed loop. This controller eliminates the slow convergence problem which arises in the terminal sliding mode control when the error signal is not near the equilibrium. Meanwhile, following consideration of the error caused by the actuator dead zone, an adaptive RBF estimator based on sliding mode surface is proposed. Through the dead zone error estimation for feed-forward compensation, the composite terminal sliding mode controller has been verified to possess an excellent performance without sacrificing disturbance rejection robustness and stability. Simulations have been carried out to validate the superiority of our proposed methods in comparison with other two other kinds of sliding mode control methods and the commonly used PID and FOPID controller. It is shown that the simulation results are in good agreement with the theoretical analysis. (C) 2019 Published by Elsevier Ltd on behalf of The Franklin Institute.
引用
收藏
页码:8366 / 8387
页数:22
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