Parameter estimation for chaotic system with initial random noises by particle swarm optimization

Fei Gao, Ju-Jang Lee, Zhuoqiu Li, Hengqing Tong and Xiaohong Lü

Chaos, Solitons & Fractals, 2009, vol. 42, issue 2, 1286-1291

Abstract: 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.

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:42:y:2009:i:2:p:1286-1291

DOI: 10.1016/j.chaos.2009.03.074

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