longer_1.m

通过图形实现OFMD的图像仿真

kp=0.7;
ki=0.07;
kd=0.01;
r=150;
c0=20;
current=c0;
u=zeros(1,999);
c=zeros(1,999);
e=zeros(1,1000);
sum=0;
d=0;
e(1)=r-c0;
for i=1:999
    u(i)=kp*e(i)+ki*sum+kd*d;
    c(i)=current+u(i);
    current=c(i);
    e(i+1)=r-current;
    d=e(i+1)-e(i);
    sum=sum+e(i+1);
end
t=1:999;
plot(t,c);