In the control system shown in the figure below, a reference signal 2 r(t) = t2 is applied at time t = 0. The control system employs a PID controller C(s) = KP + KI/ s + KDs and the plant has a transfer function P(s) = 3/s. If KP = 10, KI = 1 and KD = 2, the steady state value of e is

In the control system shown in the figure below, a reference signal 2

1.	In the control system shown in the figure below, a reference signal 2 r(t) = t2 is applied at time t = 0. The control system employs a PID controller C(s) = KP + KI/ s + KDs and the plant has a transfer function P(s) = 3/s. If KP = 10, KI = 1 and KD = 2, the steady state value of e is
A.	0
B.	2/3
C.	1
D.	∞
Answer» C. 1

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In the control system shown in the figure below, a reference signal 2 r(t) = t2 is applied at time t = 0. The control system employs a PID controller C(s) = KP + KI/ s + KDs and the plant has a transfer function P(s) = 3/s. If KP = 10, KI = 1 and KD = 2, the steady state value of e is

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