Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32291
Title: Chaos particle swarm optimization and T-S fuzzy modeling approaches to constrained predictive control
Authors: Jiang, H
Kwong, CK 
Chen, Z
Ysim, YC
Keywords: Chaos particle swarm optimization
COA
Constrained predictive control
PSO
T-S fuzzy models
Issue Date: 2012
Publisher: Pergamon Press
Source: Expert systems with applications, 2012, v. 39, no. 1, p. 194-201 How to cite?
Journal: Expert systems with applications 
Abstract: Predictive control of systems is very much related to the efficiency and cost of systems, as well as to the quality of systems outcomes. However, it is difficult to achieve optimal predictive control because most predictive controls for systems have characteristics of randomness, strong and complex constraints, large delay time, fuzziness, and nonlinearity. Conventional methods of solving constrained nonlinear optimization problems for predictive control are mainly based on quadratic programming, which is quite sensitive to initial values, easy to trap in local minimal points, and requires large computational effort. In recent years, T-S fuzzy modeling has been found to be an effective approach in performing predictive control. Intelligent optimization algorithms, such as chaos optimization algorithm (COA) and particle swarm optimization (PSO), have been shown to have faster convergence and higher iterative accuracy than those based on conventional optimization methods. In this paper, chaos particle swarm optimization (CPSO), which involves combining the strengths of COA and PSO, and T-S fuzzy modeling are proposed as approaches to perform constrained predictive control. Predictive control of temperature of continued hyperthermic celiac perfusion for medical treatment based on the proposed approaches was carried out. Simulation tests were conducted to evaluate the performance of temperature control based on T-S fuzzy modeling and CPSO. Test results indicate that the T-S fuzzy model based on CPSO outperforms models based on generalized predictive control, COA, and PSO.
URI: http://hdl.handle.net/10397/32291
ISSN: 0957-4174
EISSN: 1873-6793
DOI: 10.1016/j.eswa.2011.07.007
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