Journal
CHAOS SOLITONS & FRACTALS
Volume 42, Issue 2, Pages 1286-1291Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2009.03.074
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Funding
- Brain Korea(BK)21 project from Korean government
- NNSFC [10647141]
- National Science Foundation for Post-doctoral Scientists of China [20080431004]
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This paper is concerned with the unknown parameters and time-delays of nonlinear chaotic systems with random initial noises. A scheme based on particle swarm optimization(PSO) is newly introduced to solve the problem via a nonnegative multi-modal nonlinear optimization, which finds a best combination of parameters and time-delays such that an objective function is minimized. The illustrative examples, in chaos systems with time-delays or free, are given to demonstrate the effectiveness of the present method. (C) 2009 Elsevier Ltd. All rights reserved.
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