Design of a Nonlinear Predictive Controller for a Fractional-Order Hydraulic Turbine Governing System with Mechanical Time Delay

被引:6
作者
Tian, Yuqiang [1 ,2 ]
Wang, Bin [1 ,2 ]
Chen, Diyi [1 ,2 ]
Wang, Shaokun [1 ,2 ]
Chen, Peng [1 ,2 ]
Yang, Ying [1 ,2 ]
机构
[1] Northwest A&F Univ, Dept Elect Engn, Coll Water Resources & Architectural Engn, Yangling 712100, Shaanxi, Peoples R China
[2] Northwest A&F Univ, Minist Educ, Key Lab Agr Soil & Water Engn Arid & Semiarid Are, Yangling 712100, Shaanxi, Peoples R China
基金
中国国家自然科学基金;
关键词
hydraulic turbine governing system; delayed Takagi-Sugeno fuzzy model; fractional calculus; nonlinear predictive control; time delay; mechanical inertia; PID CONTROLLER; REGULATING SYSTEM; PUMP-TURBINE; HYDROPOWER; POWER; PERFORMANCE; MODEL;
D O I
10.3390/en12244727
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A nonlinear predictive control method for a fractional-order hydraulic turbine governing system (HTGS) with a time delay is studied in this paper. First, a fractional-order model of a time-delay hydraulic turbine governing system is presented. Second, the fractional-order hydraulic servo subsystem is transformed into a standard controlled autoregressive moving average (CARMA) model according to the Grunwald-Letnikov (G-L) definition of fractional calculus. Third, based on the delayed Takagi-Sugeno fuzzy model, the fuzzy prediction model of the integer-order part of the HTGS is given. Then, by introducing a fourth-order Runge-Kutta algorithm, the fuzzy prediction model can be easily transformed into the CARMA model. Furthermore, a nonlinear predictive controller is proposed to stabilize the time-delay HTGS. Finally, the experiment results are consistent with the theoretical analysis.
引用
收藏
页数:16
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