直流电动机：PN=60KW , UN=220V , IN=308A , nN=1500r/min , 最大允许电流 Idbl=1.5IN , 三相全控整流装置：Ks=35 , 电枢回路总电阻 R=0.18Ω ， 电动势系数：Ce=0.196V.min/r 系统主电路：Tm=0.12s ，Tl=0.012s 滤波时间常数：Toi=0.0025s , Ton=0.015s, 其他参数：Unm*=8V , Uim*=8V , Ucm=8V σi≤5 , σn≤10

Introducing the rank-weight method into the basic ant colony optimization (ACO), we use the modified ACO to optimize the weights and thresholds value of neural networks (NN). And when the BPNN is being trained, this method can solve the disad