Title :
An Adaptive LS-SVM Based Differential Evolution Algorithm
Author :
Xiaotian, Yan ; Muqing, Wu ; Bing, Sun
Author_Institution :
Sch. of Inf. & Commun. Eng., Beijing Univ. of Posts & Telecommun., Beijing, China
Abstract :
Differential evolution (DE) is featured by its simple parameter control; genetic operation and fine robustness. However, DE yet still has difficulty with complex functions in continuous space due to its searching blindness and inefficiency from time to time. An adaptive DE algorithm based on LS-SVM (Least Square Support Vector Machine) is proposed in this paper. The key genetic operators such as differential mutation and crossover are modified; Adaptive population evolution guiding strategy based on LS-SVM n-best training set approximation and optimization is designed; With applying condition analyzed, the procedure and complexity of the LS-SVM based evolution guiding strategy is summarized. The comparative results of the proposed DE with traditional one based on various standard test functions effectively demonstrate the high accuracy and efficiency of the proposed approach for continuous multi-modal optimization.
Keywords :
genetic algorithms; learning (artificial intelligence); least squares approximations; mathematical operators; support vector machines; adaptive LS-SVM; adaptive population evolution guiding strategy; differential evolution algorithm; genetic operator; least square-support vector machine; n-best training set approximation; optimization; Adaptive control; Blindness; Design optimization; Genetic mutations; Least squares approximation; Model driven engineering; Optimization methods; Programmable control; Signal processing algorithms; Support vector machines; approximation function; differential evolution; global optimization; least square SVM; n-best training set;
Conference_Titel :
2009 International Conference on Signal Processing Systems
Conference_Location :
Singapore
Print_ISBN :
978-0-7695-3654-5
DOI :
10.1109/ICSPS.2009.129