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Genetic least squares for system identification

Warwick, K., Kang, Y. -H. and Mitchell, R. J. (1999) Genetic least squares for system identification. Soft Computing - A Fusion of Foundations, Methodologies and Applications, 3 (4). pp. 200-205. ISSN 1432-7643

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To link to this item DOI: 10.1007/s005000050070


The recursive least-squares algorithm with a forgetting factor has been extensively applied and studied for the on-line parameter estimation of linear dynamic systems. This paper explores the use of genetic algorithms to improve the performance of the recursive least-squares algorithm in the parameter estimation of time-varying systems. Simulation results show that the hybrid recursive algorithm (GARLS), combining recursive least-squares with genetic algorithms, can achieve better results than the standard recursive least-squares algorithm using only a forgetting factor.

Item Type:Article
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Computer Science
ID Code:17800

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