Observer-based sliding mode control for bilateral teleoperation with time-varying delays

被引：25
|
作者：
Yang, Hongjiu [1 ]
Liu, Lei [1 ]
Wang, Yingjie [2 ]
机构：
[1] Yanshan Univ, Inst Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China
[2] Northwestern Polytech Univ, Sch Astronout, Xian 710072, Shaanxi, Peoples R China
来源：
CONTROL ENGINEERING PRACTICE | 2019年 / 91卷
基金：
中国国家自然科学基金;
关键词：
Bilateral teleoperation system; Terminal sliding mode control; Extended state observer; Time-varying delay; Dynamic uncertainty; CONTROL DESIGN; SYSTEM; STABILITY; PERFORMANCE;
D O I：
10.1016/j.conengprac.2019.07.015
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, a tracking control scheme is investigated for a bilateral teleoperation system with time-varying delays and dynamic uncertainties. The tracking control scheme is based on an extended state observer (ESO), a time-delay part observer and a continuous terminal sliding mode control (CTSMC) strategy. The dynamic uncertainties are dealt with by the ESO for the bilateral teleoperation system. The time-varying delays with unmeasurable derivatives are estimated by the two time-delay part observers. The CTSMC strategy is used to ensure finite-time convergence for the bilateral teleoperation system without knowing the second derivatives of tracking errors. Finally, experiment results are shown for the bilateral teleoperation system to demonstrate effectiveness of the developed tracking control scheme.
引用
收藏
页数：10
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