Q1 A control system is described by the block diagram in Figure 1 where R(s) is reference input and Y(s) is system output. (a) (b) Find the transfer function Y(s)/R(s) using block diagram reduction. Determine the steady state output in response to the unit step input. R(S) + S 2s 5 + H s²+2 Figure 1 Y(s)

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Q1
Q2
A control system is described by the block diagram in Figure 1 where R(s) is reference
input and Y(s) is system output.
(a)
(b)
(a)
(b)
Find the transfer function Y(s)/R(s) using block diagram reduction.
R(S)
Determine the steady state output in response to the unit step input.
R(S) +
S
2s
+
5
сл
A PID controller is designed to control the robot leg, and the control system is shown
in Figure 2 where K is a positive gain.
K
1+-+s
S
+
PID Controller
s²+2
Find the closed-loop transfer function Ⓒ(s)/R(s).
Figure 1
1
s²
Use the Routh-Hurwitz stability criterion to determine the range of the parameter
K such that the closed-loop system is stable.
Y(s)
2
s² + 3s + 2
Robot Leg dynamics
Ⓒ(s)
Transcribed Image Text:Q1 Q2 A control system is described by the block diagram in Figure 1 where R(s) is reference input and Y(s) is system output. (a) (b) (a) (b) Find the transfer function Y(s)/R(s) using block diagram reduction. R(S) Determine the steady state output in response to the unit step input. R(S) + S 2s + 5 сл A PID controller is designed to control the robot leg, and the control system is shown in Figure 2 where K is a positive gain. K 1+-+s S + PID Controller s²+2 Find the closed-loop transfer function Ⓒ(s)/R(s). Figure 1 1 s² Use the Routh-Hurwitz stability criterion to determine the range of the parameter K such that the closed-loop system is stable. Y(s) 2 s² + 3s + 2 Robot Leg dynamics Ⓒ(s)
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