lead3.m

《MATLAB在控制系统中的应用》实例程序

function [ngc,dgc]=lead3(ng0,dg0,KK,s1)
ngv=polyval(ng0,s1); dgv=polyval(dg0,s1); g=ngv/dgv;
thetag=angle(g); mg=abs(g); ms=abs(s1); thetas=angle(s1);
tz=(sin(thetas)-KK*mg*sin(thetag-thetas))/(KK*mg*ms*sin(thetag));
tp=-(KK*mg*sin(thetas)+sin(thetag+thetas))/(ms*sin(thetag));
ngc=[tz,1];dgc=[tp,1];