Observer-Based Nonlinear Control of A Torque Motor with Perturbation Estimation

被引：0
|
作者：
Chen, J. [1 ]
Prempain, E. [1 ]
Wu, Q. H. [1 ]
机构：
[1] Univ Liverpool, Dept Elect Engn & Elect, Liverpool L69 3GJ, Merseyside, England
来源：
INTERNATIONAL JOURNAL OF AUTOMATION AND COMPUTING | 2006年 / 3卷 / 01期
关键词：
Torque motor; nonlinear observer; fictitious state; perturbation estimation;
D O I：
暂无
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 presents an observer-based nonlinear control method that was developed and implemented to provide accurate tracking control of a limited angle torque motor following a 50Hz reference waveform. The method is based on a robust nonlinear observer, which is used to estimate system states and perturbations and then employ input-output feedback linearization to compensate for the system nonlinearities and uncertainties. The estimation of system states and perturbations allows input-output linearization of the nonlinear system without an accurate mathematical model of nominal plant. The simulation results show that the observer-based nonlinear control method is superior in comparison with the conventional model-based state feedback linearizing controller.
引用
收藏
页码：84 / 90
页数：7
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