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Identification method of nonlinear systems with friction based on Genetic Algorithm

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4 Author(s)
Nakajima, K. ; Dept. of Electron. Eng., Gunma Univ., Gunma, Japan ; Nakajima, J. ; Truong Van Khoa ; Hashimoto, S.

Genetic Algorithm (GA) is an optimization procedure which can be applied to the identification of the nonlinear structure of a dynamic model by using experimental data. In this paper, the GA is introduced to identify the precision stage with the nonlinear friction. By means of the GA approach with a nonlinear polynomial model, the structure as well as its coefficients can be modeled accurately, and the resulting model provides a useful physical meaning. The efficiency of the proposed GA-based identification is verified by the experiments using the precision positioning equipment.

Published in:

Knowledge Acquisition and Modeling (KAM), 2010 3rd International Symposium on

Date of Conference:

20-21 Oct. 2010