Robust control using incremental sliding mode for underactuated systems with mismatched uncertainties

被引：21

作者：

Hao, Yinxing ^{[1
]}

Yi, Jianqiang ^{[1
]}

Zhao, Dongbin ^{[1
]}

Qian, Dianwei ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Automat, Lab Complex Syst & Intelligence Sci, Beijing 100080, Peoples R China

来源：

2008 AMERICAN CONTROL CONFERENCE, VOLS 1-12 | 2008年

关键词：

D O I：

10.1109/ACC.2008.4586546

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A new robust controller using sliding mode control method for a class of underactuated mechanical systems with mismatched uncertainties is proposed in this paper. Two state variables of the underactuated system are chosen to construct the first-layer sliding surface. The first-layer sliding surface and one of the left state variables are used to construct the second-layer sliding surface. This process continues till the last sliding surface is constructed. And a distributed compensator is added to the sliding mode surfaces. We design a new sliding mode control law to guarantee that every sliding surface can converge rapidly to zero. For an underactuated system, which consists of 2n state variables, the controller has the (2n-1)-layer structure. Using Lyapunov law, we prove the stability of all the sliding surfaces theoretically. The simulation results show the validity of this method.

引用

页码：532 / 537

页数：6

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