海军航空工程学院学报
海軍航空工程學院學報
해군항공공정학원학보
JOURNAL OF NAVAL AERONAUTICAL ENGINEERING INSTITUTE
2012年
1期
89-93,98
,共6页
王星博%李本威%李泽辉%于光辉
王星博%李本威%李澤輝%于光輝
왕성박%리본위%리택휘%우광휘
粒子群优化%生物趋化%吸引操作%排斥操作%种群多样性%标准测试函数
粒子群優化%生物趨化%吸引操作%排斥操作%種群多樣性%標準測試函數
입자군우화%생물추화%흡인조작%배척조작%충군다양성%표준측시함수
particle swarm optimization%chemotaxis: attracting operation: repulsing operation%populationdiversity%standard test
针对标准粒子群算法进行多极点函数优化时易导致早熟收敛及陷人局部最优的问题,把生物趋化原理引入到粒子群优化算法中,改变传统粒子群优化算法只存在吸引操作而没有排斥操作的单向性,提出一种保持种群多样性的改进算法,并对其关键参数的选择进行了研究。仿真实验结果表明,与传统粒子群优化算法相比,基于生物趋化的粒子群算法对于处理复杂的多峰函数或优化问题,可显著提高算法的全局寻优性能。
針對標準粒子群算法進行多極點函數優化時易導緻早熟收斂及陷人跼部最優的問題,把生物趨化原理引入到粒子群優化算法中,改變傳統粒子群優化算法隻存在吸引操作而沒有排斥操作的單嚮性,提齣一種保持種群多樣性的改進算法,併對其關鍵參數的選擇進行瞭研究。倣真實驗結果錶明,與傳統粒子群優化算法相比,基于生物趨化的粒子群算法對于處理複雜的多峰函數或優化問題,可顯著提高算法的全跼尋優性能。
침대표준입자군산법진행다겁점함수우화시역도치조숙수렴급함인국부최우적문제,파생물추화원리인입도입자군우화산법중,개변전통입자군우화산법지존재흡인조작이몰유배척조작적단향성,제출일충보지충군다양성적개진산법,병대기관건삼수적선택진행료연구。방진실험결과표명,여전통입자군우화산법상비,기우생물추화적입자군산법대우처리복잡적다봉함수혹우화문제,가현저제고산법적전국심우성능。
Aiming at the resulting in premature convergence and plunging into local optimum for standard particle swarm optimization in solving multiple-order pole functions, chemotaxis principle in biology was introduced into particle swarm optimization algorithm to change the single direction characteristic of the traditional algorithm which only had attracting operation instead of repulsing operation. The ameliorated algorithm to maintain population diversity was proposed and the selection of key parameters were studied. Simulation experiment results indicated that the improved particle swarm optimization based on chemotaxis principle could prominently improve the global optimization ability of the algorithm when dealing with complicated multimodal functions or other problems.