MATLAB基于BP神经网络PID控制程序 %BP based PID Control clear all; close all; xite=0.20; %学习速率alfa=0.01; %惯性因子IN=4;H=5;Out=3; %NN Structure wi=-0.6394 -0.2696 -0.3756 -0.7023; -0.8603 -0.2013 -0.5024 -0.2596; -1.0749 0.5543 -1.6820 -0.5437; -0.3625 -0.0724 -0.6463 -0.2859; 0.1425 0.0279 -0.5406 -0.7660; %wi=0.50*rands(H,IN); %隐含层加权系数wi初始化wi_1=wi;wi_2=wi;wi_3=wi; wo=0.7576 0.2616 0.5820 -0.1416 -0.1325; -0.1146 0.2949 0.8352 0.2205 0.4508; 0.7201 0.4566 0.7672 0.49