计算机工程与应用
計算機工程與應用
계산궤공정여응용
COMPUTER ENGINEERING AND APPLICATIONS
2010年
1期
200-202,220
,共4页
肖理庆%邵晓根%张亮%石天明
肖理慶%邵曉根%張亮%石天明
초리경%소효근%장량%석천명
遗传算法%粒子群算法%PID控制器%仿真
遺傳算法%粒子群算法%PID控製器%倣真
유전산법%입자군산법%PID공제기%방진
genetic algorithm%particle swarm optimization%PID controller%simulation
为了改善单纯遗传算法早熟收敛与寻优能力不足的问题,将粒子群算法引入遗传算法变异操作中,提出了一种基于遗传算法与粒子群算法的组合算法.将改进的遗传算法应用于PID控制器参数优化中,通过仿真实验表明,新算法效果明显优于单纯遗传算法,能有效克服早熟收敛现象、降低随机性初始种群的影响、提高算法收敛精度,具有良好的收敛性和寻优能力.
為瞭改善單純遺傳算法早熟收斂與尋優能力不足的問題,將粒子群算法引入遺傳算法變異操作中,提齣瞭一種基于遺傳算法與粒子群算法的組閤算法.將改進的遺傳算法應用于PID控製器參數優化中,通過倣真實驗錶明,新算法效果明顯優于單純遺傳算法,能有效剋服早熟收斂現象、降低隨機性初始種群的影響、提高算法收斂精度,具有良好的收斂性和尋優能力.
위료개선단순유전산법조숙수렴여심우능력불족적문제,장입자군산법인입유전산법변이조작중,제출료일충기우유전산법여입자군산법적조합산법.장개진적유전산법응용우PID공제기삼수우화중,통과방진실험표명,신산법효과명현우우단순유전산법,능유효극복조숙수렴현상、강저수궤성초시충군적영향、제고산법수렴정도,구유량호적수렴성화심우능력.
In order to improve the problem of premature and performance of optimization,a hybrid algorithm of particle swarm optimization and genetic algorithm is proposed for parameters optimization of PID controller by applying particle swarm optimization to the mutation operation of genetic algorithm.The simulation and experimental results show that the novel algorithm is superior to simple genetic algorithm,can overcome premature phenomena,reduce the influence of l'andom initial population,and improve the convergence precision,which demonstrates the proposed method has better performance of convergence and fine ability of global optimization.