Practical electromagnetism-like mechanism algorithm

被引：1
|
作者：
机构：
[1] Jiang, Jianguo
[2] 1,Wang, Shuangji
[3] Liu, Yongqing
[4] Shang, Haibao
[5] Zhu, Yineng
来源：
Jiang, J. (jgjiang@mail.xidian.edu.cn) | 1600年 / Science Press卷 / 40期
关键词：
Convergence rates - Correction factors - Electromagnetism-like mechanism algorithms - Electromagnetism-like mechanisms - Faster convergence - Function Optimization - Objective function values - Solution accuracy;
D O I：
10.3969/j.issn.1001-2400.2013.02.009
中图分类号：
学科分类号：
摘要：
The function optimization principle of the original Electromagnetism-like mechanism (EM) algorithm and some problems of it are analyzed, such as large computation, low convergence rate, and pathological feature in the total force formula. A new pratical EM algorithm is proposed according to the problems above. The power formula is simplified by adopting the method for normalizing the objective function value. The correction factor is introduced into the total force formula, so that the pathological feature in the total force formula is eliminated, the impact of the distance factor on the force between population particles weakened, and the convergence rate increased. Experiments show that the improved algorithm has a faster convergence speed and higher solution accuracy.
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