?? chp12ex3.m
字號(hào):
PL = 0.2;
KI = 7;
numc = [0.1 0.7 1 0];
denc = [1 7.08 10.56 20.8 KI];
t = 0:.02:12;
c=-PL*step(numc, denc, t);
plot(t, c), grid
xlabel('t, sec'), ylabel('pu')
title('Frequency deviation step response')
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