On 2 types of robust reaching laws

被引：16

作者：

Chen, Yuquan ^{[1
]}

Wei, Yiheng ^{[1
]}

Wang, Yong ^{[1
]}

机构：

[1] USTC, Dept Automat, Hefei 230027, Anhui, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL | 2018年 / 28卷 / 06期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

fractional-order calculus; robust reaching law; sliding-mode control; SLIDING-MODE CONTROL; FRACTIONAL ORDER SYSTEMS; NONLINEAR-SYSTEMS; DESIGN;

D O I：

10.1002/rnc.4042

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The reaching law is an important part of a sliding-mode controller, which guarantees the existence of sliding motion in finite time. Fast access to sliding motion with a weak chattering phenomenon in control input is always desired. In this paper, 2 different types of reaching laws are proposed, which guarantee finite-time convergence to the sliding manifold. Moreover, the reaching time is robust to initial conditions and can be designed by the user. Some useful discussions on the design of parameters are also presented to weaken the chattering phenomenon. A careful simulation study is finally provided to verify the effectiveness and efficiency of the proposed methods.

引用

页码：2651 / 2667

页数：17

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