New Nonlinear Robust Control Method Based on the State Extending and Filtering Estimation

被引:0
|
作者
Gu, Zhifeng [1 ]
Wang, Yutong [2 ]
Li, Baochen [2 ]
Wang, Huiyong [3 ]
机构
[1] Shijiazhuang Tiedao Univ, Sch Elect & Elect Engn, Shijiazhuang, Hebei, Peoples R China
[2] Mech Engn Coll, Vehicle & Elect Dept, Shijiazhuang, Hebei, Peoples R China
[3] Hebei Univ technol, Informat Coll, Shijiazhuang, Hebei, Peoples R China
基金
中国国家自然科学基金;
关键词
MIMO system; Multi uncertain parameters; State extending; Tracking filter; Nonlinear robust control; State parameter estimation;
D O I
10.1109/ICISCE.2017.219
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, the state extending and filtering robust control (SEFERC) is proposed and investigated. In the SEFERC, the uncertain nonlinear part of the MIMO is extend to the new state parameter and estimated by the nonlinear tracking filter. With the estimated value, by the direct feedback linearization (DFL) method and He control method, the nonlinear system can be converted to the linear system and stabilized with the robust control theory. Taking the certain excitation and speed synthetic control system for example, simulation results show that the SEFERC can accelerate the convergence speed of the state variables and improve the excitation and speed control speed.
引用
收藏
页码:1042 / 1046
页数:5
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