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tsp_pso

于 2014-08-15 发布 文件大小:557KB
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  : 针对粒子群优化算法易陷入局部极值的缺点, 提 出一种改进粒子群算法, 该算法借鉴贪婪算法的思想初始化种群, 利用两 个种群同时寻优, 并将遗传算法中交叉和变异操作引入其 中, 实现种群间的信息共享。(I n a l l u s i o n t o p a r t i c l e s wa r m o p t i mi z a t i o n b ei n g pr on e t o g e t i n t o l oc a l mi n i mu m, a n i mpr o v e d p a r t i c l e s wa r m o pt i mi z a t i o n a l g o r it h m i s p r o po s e d. Th e a l g o r it hm dr a ws o n t h e t hi n ki ng o f t he g r e e d y a l g o r it hm t o i n i t i a l i z e t he pa r t i c l e s wa l- n 1 . Two s wa r ms a r e u s e d t o o pt i mi z e s y nc h r o no u s l y, a nd c r o s s o v e r a n d mu t a t i o n o p er a t o r s i n g e n e t i c a lg o r i t h m a r e i n t r o d uc e d i n t o t h e ne w a l g o r it h m t o r e a l i z e t h e s ha r i ng o f i n f o r m a t i o n a mo ng s wa r l T i S .)

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