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- Title
Improved Chaotic Particle Swarm Optimization Algorithm and its Application in the Design of Robust Controller.
- Authors
Miao-Wang Qian; Guo-Jun Tan; Zhi-Xun Ma; Hui Zhang
- Abstract
An improved chaotic particle swarm optimization (ICPSO) algorithm which considers the global suboptimal is proposed in the paper. The ICPSO algorithm is based on traditional chaotic particle swarm optimization (CPSO) algorithm with the updating formulas improved. The ICPSO algorithm is tested with 4 benchmark functions and the results indicate that the ICPSO algorithm has better performance compared with CPSO algorithm. Then aiming at the difficulties of parameter selection for the H∞ robust controller of three-phase PWM rectifier control system, the ICPSO algorithm is applied to select the parameters. Finally, the capability of the optimized H∞controller is verified with simulation and experiment. The results demonstrate that the PWM rectifier control system with H∞ controller has excellent dynamic and steady-state performance. Therefore, the improvement of algorithm in the paper is feasible and the ICPSO algorithm is valid for the design of H∞ controller.
- Subjects
CHAOS theory; PARTICLE swarm optimization; COMPUTER algorithms; ROBUST control; PULSE width modulation rectifiers; FEASIBILITY studies
- Publication
International Review on Computers & Software, 2012, Vol 7, Issue 1, p23
- ISSN
1828-6003
- Publication type
Article