Title :
Adaptive control design for piecewise-linear differential inclusion with parameter uncertainty
Author :
Liu, Kai ; Yao, Yu ; Sun, Dengfeng ; Balakrishnan, Venkataramanan ; Wei, Peng
Author_Institution :
Control & Simulation Center, Harbin Inst. of Technol., Harbin, China
Abstract :
This paper presents Lyapunov-based adaptive control method for piecewise-linear differential inclusions {PWLDI} with parameter uncertainty. The basic idea of the proposed approach is to construct a piecewise control law and a parameter adaptive law for the PWLDI in a way such that a piecewise quadric Lyapunov function can be used to establish the global stability and H∞ performance of the resulted closed-loop systems. All the synthesis conditions can be formulated as an optimization problem subjected to a set of Bilinear Matrix Inequalities {BMIs}. Finally we demonstrate the efficiency of the algorithm through an example.
Keywords :
H∞ control; Lyapunov methods; adaptive control; closed loop systems; control system synthesis; linear matrix inequalities; optimisation; piecewise linear techniques; stability; uncertain systems; H∞ control; Lyapunov-based adaptive control method; PWLDI; bilinear matrix inequalities; closed-loop systems; global stability; optimization; parameter adaptive law; parameter uncertainty; piecewise control law; piecewise quadric Lyapunov function; piecewise-linear differential inclusion; Adaptive algorithms; Adaptive control; Lyapunov methods; Nonlinear systems; Optimization; Uncertain systems; Vectors;
Conference_Titel :
Decision and Control and European Control Conference (CDC-ECC), 2011 50th IEEE Conference on
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-61284-800-6
Electronic_ISBN :
0743-1546
DOI :
10.1109/CDC.2011.6161013