Sliding mode and PI controllers for uncertain flexible joint manipulator

被引：24

作者：

Zouari L. ^{[1
]}

Abid H. ^{[2
]}

Abid M. ^{[1
]}

机构：

[1] Computer and Embedded Systems Laboratory, National School of Sfax Engineers, University of Sfax, Sfax

[2] Laboratory of Sciences and Techniques of Automation (Lab-sta), National School of Sfax Engineers, University of Sfax, Sfax

来源：

International Journal of Automation and Computing | 2015年 / 12卷 / 02期

关键词：

brushless direct current motor; Flexible joint manipulator; proportional integral (PI) controller; sliding mode; uncertainties;

D O I：

10.1007/s11633-015-0878-x

中图分类号：

学科分类号：

摘要：

This paper is dealing with the problem of tracking control for uncertain flexible joint manipulator robots driven by brushless direct current motor (BDCM). Flexibility of joint in the manipulator constitutes one of the most important sources of uncertainties. In order to achieve high performance, all parts of the manipulator including actuator have been modeled. To cancel the tracking error, a hysteresis current controller and speed controllers have been developed. To evaluate the effectiveness of speed controllers, a comparative study between proportional integral (PI) and sliding mode controllers has been performed. Finally, simulation results carried out in the Matlab simulink environment demonstrate the high precision of sliding mode controller compared with PI controller in the presence of uncertainties of joint flexibility. © 2015, Institute of Automation, Chinese Academy of Sciences and Springer-Verlag Berlin Heidelberg.

引用

页码：117 / 124

页数：7

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