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A MULTI LAYER NEURAL NETWORK BACKPROPAGATION ALGORITHM BASED ON IMPROVED GENETIC ALGORITHM AND APPLICATION IN SYSTEM IDENTIFICATION
Author(s): 
Pages: 9-13
Year: Issue:  2
Journal: JOURNAL OF SOUTHWEST CHINA INSTITUTE OF TECHNOLOGY

Keyword:  遗传算法神经网络BP算法系统辨识;
Abstract: 本文针对用GA训练NN权值时,花费的代价随精度的提高而剧烈增加的缺陷,提出了一种利用IGA较强的全局搜索能力和IBPA较强的局部搜索能力的结合算法;先利用IGA优化多层前馈神经网络的权值,然后再用IBPA提高搜索精度,有效地避免了IBPA易陷入局部极小点和IGA过早收敛的缺点,实验结果表明,此算法是有效的.
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