如题,希望大虾能够用以下的例子来讲
有一个命名为m7_2f.m的文件,其内容如下:
function [ u ] = pidsimf( u1,u2 )
persistent pidmat errori error_1
if ul==0
errori=0
error_1=0
end
ts=0.001;
kp=1.5;
ki=2.0;
kd=0.05;
error=u2;
errord=(error-error_1)/ts;
errori=errori+error*ts;
u=kp*error+kd*errord+ki*errori;
error_1=error;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Simulink图如下
