EECE 460 Homework, Spring 2008
American University of Beirut · Control Systems · 2 pages
More EECE 460 files
Show the text of this homework
B-5-27. From Figure 5-89(b) we have
a
CO K ___ oF
Ro) Js*+ Kk, stK ste ks st £
By substituting K/J = 4 into this last equation, we obtain
CE) _ $
R&) Ste ehyst ¢
Since Wy = 2, 5= 0.6, and 25¢/y = 4Ry, we have
K= me =0.6
B-5-30.
CO _ Ges) Ks+b
=
=
RG) 1+ G(s) S*+astb
(s*+astb) G6) = (ks+ est Go]
or
The steady-state error in the unit-ramp response is
=-L.f,.— = Ls, S(Sta-k) — a-k
C= = =
kV see S56) Soo SC Ks+h) b