Precise tracking control of piezoelectric actuators based on a hysteresis observer

被引：15

作者：

Ji, D. H. ^{[2
]}

Koo, J. H. ^{[3
]}

Yoo, W. J. ^{[2
]}

Park, Ju H. ^{[1
]}

机构：

[1] Yeungnam Univ, Nonlinear Dynam Grp, Dept Elect Engn, Kyongsan 712749, South Korea

[2] Samsung Elect Co Ltd, Div Mobile Commun, Digital Media & Commun, Suwon 4162, Gyeonggi Do, South Korea

[3] Hyundai Motor Grp, Div Res & Dev, Yongin, South Korea

来源：

NONLINEAR DYNAMICS | 2012年 / 70卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

Piezoelectric actuator; Nonlinear observer; Hysteresis; RELATIVELY LARGE CLASS; OBSERVER/CONTROLLER; SYSTEMS;

D O I：

10.1007/s11071-012-0589-6

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this paper, a precise tracking control method for piezoelectric actuators based on a hysteresis observer is considered. A nonlinear observer to estimate the hysteretic nonlinearity in the piezoelectric actuator is designed, and then the hysteretic nonlinearity is compensated for by a feedforward control. The proposed observer is easy to design and has better performance compared to the previous work presented in the literature. A feedback controller is also designed to track reference signals. A numerical simulation is presented to verify the method proposed.

引用

页码：1969 / 1976

页数：8

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