Title :
Stabilizing model predictive control for LPV systems subject to constraints with parameter-dependent control law
Author :
Yu, Shuyou ; Böhm, Christoph ; Chen, Hong ; Allgöwer, Frank
Author_Institution :
Inst. of Syst. Theor. & Autom. Control, Univ. of Stuttgart, Stuttgart, Germany
Abstract :
This paper presents an infinite horizon model predictive control (MPC) scheme for constrained linear parameter-varying systems. We assume that the time-varying parameter can be measured online and exploited for feedback. The proposed method is based on a parameter-dependent control law which is obtained via the repeated solution of a convex optimization problem involving linear matrix inequalities (LMIs). Closed-loop stability is guaranteed by the feasibility of the LMIs at initial time. Compared to existing algorithms with static linear control law and more restrictive LMI conditions, the proposed scheme reduces conservatism and improves performance, which is confirmed by a simulation example.
Keywords :
closed loop systems; convex programming; feedback; linear matrix inequalities; linear systems; predictive control; stability; time-varying systems; LPV system; closed loop stability; convex optimization problem; feedback; linear matrix inequalities; linear parameter-varying system; parameter-dependent control law; stabilizing model predictive control; time-varying parameter; Control systems; Control theory; Cost function; Infinite horizon; Linear matrix inequalities; Nonlinear control systems; Optimization methods; Predictive control; Predictive models; Stability;
Conference_Titel :
American Control Conference, 2009. ACC '09.
Conference_Location :
St. Louis, MO
Print_ISBN :
978-1-4244-4523-3
Electronic_ISBN :
0743-1619
DOI :
10.1109/ACC.2009.5160398