Polynomial Controller Design Using Disturbance Observer

被引：0

作者：

Han, Hugang ^{[1
]}

Lam, Hak-Keung ^{[2
]}

机构：

[1] Prefectural Univ Hiroshima, Minami Ku, 1-1-71 Ujina Higashi, Hiroshima 7348558, Japan

[2] Kings Coll London, London WC2R 2LS, England

来源：

JOURNAL OF ADVANCED COMPUTATIONAL INTELLIGENCE AND INTELLIGENT INFORMATICS | 2015年 / 19卷 / 03期

关键词：

polynomial fuzzy model; disturbance observer; asymptotically stable; lumpted disturbane; stability analysis;

D O I：

10.20965/jaciii.2015.p0439

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Disturbance observer-based control provides a promising approach to handle system disturbance and improve robustness. In this paper, a new fuzzy disturbance observer (FDO) is proposed into the SOS-based approach, where the polynomial fuzzy model is used to develop the system controller. Compared with other works published so far, the FDO mainly features two things: 1) the estimation error between the FDO and disturbance shrinks asymptotically to zero if the disturbance has a constant steady-state value; 2) parameters involved in the FDO is adjusted on the basis of the polynomial fuzzy model which is basically nonlinear. Finally, computer simulations are provided to illustrate the effectiveness of the proposed approach.

引用

页码：439 / 446

页数：8

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