lead7.m

《MATLAB在控制系统中的应用》实例程序

function [ngc,dgc]=lead7(ng0,dg0,KK,Pm,wc,w)
ngv=polyval(ng0,j*wc); dgv=polyval(dg0,j*wc); g=ngv/dgv;
thetag=angle(g); mg=abs(g); thetar=Pm*pi/180;
tz=(1+KK*mg*cos(thetar-thetag))/(-wc*KK*mg*sin(thetar-thetag));
tp=(cos(thetar-thetag)+KK*mg)/(wc*sin(thetar-thetag));
ngc=[tz,1];dgc=[tp,1];