Title :
Research of Conservatism for Satisfactory Fault-Tolerant Control with Multi-Objective Constraints
Author :
Sun, Xinzhu ; Chen, Yuedong ; Jiang, Ming ; Chen, Qigong
Author_Institution :
Anhui Polytech. Univ., Wuhu, China
Abstract :
For a class of uncertain linear systems with uncertainties which do not matching conditions, the conservatism for satisfactory fault-tolerant control with multi-objective constraints is produced. Firstly, by exploiting the Projection Lemma, the extend LMI constraint conditions of the circular pole index, H∞ index and H2 index are presented. Secondly, under a continuous fault model of the actuator, the design method of satisfactory fault-tolerant controller with extend multi-objective constraints is presented. This method leads to the use of different Lyapunov variables to deal with the multi-objective constrained control problem, and then reduces the design conservatism. Finally, the simulations indicate the validity of the proposed methods.
Keywords :
H∞ control; Lyapunov methods; constraint theory; control system synthesis; fault tolerance; linear matrix inequalities; linear systems; uncertain systems; H∞ index; H2 index; Lyapunov variables; circular pole index; extend LMI constraint conditions; multi-objective constraints; projection lemma; satisfactory fault-tolerant controller; uncertain linear systems; Actuators; Fault tolerance; Fault tolerant systems; Indexes; Linear matrix inequalities; Symmetric matrices; Yttrium;
Conference_Titel :
Multimedia Technology (ICMT), 2010 International Conference on
Conference_Location :
Ningbo
Print_ISBN :
978-1-4244-7871-2
DOI :
10.1109/ICMULT.2010.5629818