Event-triggered control for semi-global stabilisation of systems with actuator saturation

被引:33
|
作者
Zhang, Liangyin [1 ]
Chen, Michael Z. Q. [1 ]
机构
[1] Univ Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China
基金
中国国家自然科学基金;
关键词
Riccati equation; event-triggered control; Actuator saturation; semi-global stabilisation; LEADER-FOLLOWING CONSENSUS; LINEAR MULTIAGENT SYSTEMS; DISCRETE-TIME-SYSTEMS; INPUT SATURATION; GLOBAL STABILIZATION; FEEDBACK; STABILITY; SUBJECT;
D O I
10.1080/00207179.2015.1116049
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper investigates the problem of event-triggered control for semi-global stabilisation of null controllable systems subject to actuator saturation. First, for a continuous-time system, novel event-triggered low-gain control algorithms based on Riccati equations are proposed to achieve semi-global stabilisation. The algebraic Riccati equation with a low-gain parameter is utilised to design both the event-triggering condition and the linear controller; a minimum inter-event time based on the Riccati ordinary differential equation is set a priori to exclude the Zeno behaviour. In addition, the high-low gain techniques are utilised to extend the semi-global results to event-based global stabilisation. Furthermore, for a discrete-time system, novel low-gain and high-low-gain control algorithms are proposed to achieve event-triggered stabilisation. Numerical examples are provided to illustrate the theoretical results.
引用
收藏
页码:1047 / 1064
页数:18
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