引入生态位技术的遗传算法研究及应用

Genetic Algorithms Research and Application for Introducing into Niche Technology

近来遗传算法得到了广泛的应用,但这种全局并行的搜索算法存在搜索偏差和早熟问题。为解决该问题,已有许多改进方法。本文提出一种动态方法,通过引入生态位的"态、势"理论对基本遗传算法进行改进。依照自然选择的原理,生物都有无限扩充其生态位的潜力。扩充必然导致生物进化,而生物扩充是由生物的生态位决定的,因此根据生态位的大小作为选择策略,产生下一代个体更符合自然进化法则。实例结果表明该算法的有效性。

Nowadays genetic algorithms have been widely applied to various areas, there are a search bias and early-maturing problem in genetic algorithms with global and parallel method. To solve this problem, there are many reform approaches in genetic algorithms. A new dynamic reform method is proposed which is the introduction of niche costate ecorole theory into genetic algorithms as a simple extension. According to law of nature selection, there are infinite potentiality of expand niche in organism which is decided by niche of organism. Niche expansion must be cause to biological evolution. It's more fit to generate offspring by 'costae escarole' of niche. An example is given to illustrate the applications of the method.