Title :
Impulsive observer-based stabilisation of uncertain linear systems
Author :
Wu-Hua Chen ; Wu Yang ; Xiaomei Lu
Author_Institution :
Coll. of Math. & Inf. Sci., Guangxi Univ., Nanning, China
Abstract :
This study considers impulsive observer-based control of uncertain linear systems. A novel time-varying Lyapunov function is introduced to explore the hybrid characteristic of the impulsive observed-based control systems. By applying the time-varying Lyapunov function method combined with convex combination technique, sufficient conditions for the existence of the impulsive observer-based controller is derived in terms of linear matrix inequalities (LMIs). The control and observer gains can be obtained from the feasible solutions of the newly-obtained LMI-based conditions. Two numerical examples are presented to show the efficiency of the proposed design method.
Keywords :
Lyapunov methods; control system synthesis; convex programming; linear matrix inequalities; linear systems; observers; stability; time-varying systems; uncertain systems; LMI-based conditions; control gains; convex combination technique; impulsive observed-based control systems; impulsive observer-based stabilisation; linear matrix inequalities; observer gains; time-varying Lyapunov function method; uncertain linear systems;
Journal_Title :
Control Theory & Applications, IET
DOI :
10.1049/iet-cta.2012.0998