Event-Triggered Based Sliding Mode Control of Second-Order Underactuated System with Unknown Dynamics

被引:0
|
作者
Ding, Can [1 ]
Zhang, Jing [1 ]
Zhang, Yingjie [2 ]
Zhang, Zhe [1 ]
Li, Xiaoyao [1 ]
机构
[1] Hunan Univ, Coll Elect & Imformat Engn, Changsha, Peoples R China
[2] Hunan Univ, Coll Comp Sci & Elect Engn, Changsha, Peoples R China
来源
2020 CHINESE AUTOMATION CONGRESS (CAC 2020) | 2020年
关键词
second-order underactuated systems; hierarchical sliding mode control; event-triggered method; NONLINEAR-SYSTEMS; TRACKING;
D O I
10.1109/CAC51589.2020.9327796
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, the trajectory tracking control problem of second-order underactuated system with unknown dynamic and prescribed performance constraint was discussed. Event-triggered sliding mode control combined with adaptive method is investigated to solve the problem. By introducing the constraint transformation, which is used to convert the constrained system into unconstrained one, and prescribed performance function (PPF), the steady and transient performance of closed-loop system are guaranteed. After obtained the unconstrained system, an event-triggered adaptive sliding mode control was proposed. The proposed method is robust to uncertain disturbance and saves computing and communication resources. Then, through the Lyapunov theory, the update laws of control law and adaptive laws were obtained, and also the stability of closed-loop control system was proved. Finally, the simulation results demonstrate the effectiveness of proposed control approach.
引用
收藏
页码:3307 / 3312
页数:6
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