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Consider the feedback control system in Fig. 1 4 . 8 , and the following transfer functions: Gc = Kc ( 2 s + 1
Consider the feedback control system in Fig. and
the following transfer functions:
Gc Kc
s
s
Gv
s
Gp
ss
Gd
s
Gm
a Plot a Bode diagram for the openloop transfer function.
b Calculate the value of Kc that provides a phase margin
of
c What is the gain margin when Kc
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