1. Block Diagram is given. where G(s)= K/(s+90) and H(s)= 14/s^2 + 5s + 96

a.Find Sensitivity,

b.what is the effect of disturbance, c

.steady state error with disturbance Td(s) = 1/s

2. Unity Feedback System

G(s) = 5000k / s(s+50)(s+100).

a.Draw Root locus,

b.Find the rage of k meaning stable range,

c.Find frequency oscillation

d. find k value for critically damped.

3. Block Diagram is given. In top k1/ s(s+2) and in feedback 1/k2+s. Specification are natural frequency is 5 rad/s. and 5% overshoot.

a. find k1,k2

4. Magnitude plot and Phase Plot is given.

a. find Gain Margin

b. Find Phase Margin

c. what is type of system

d. If k=100 what is factor should be in gain.

e. If phase margin is 45 degree, what should be in gain.

a.Find Sensitivity,

b.what is the effect of disturbance, c

.steady state error with disturbance Td(s) = 1/s

2. Unity Feedback System

G(s) = 5000k / s(s+50)(s+100).

a.Draw Root locus,

b.Find the rage of k meaning stable range,

c.Find frequency oscillation

d. find k value for critically damped.

3. Block Diagram is given. In top k1/ s(s+2) and in feedback 1/k2+s. Specification are natural frequency is 5 rad/s. and 5% overshoot.

a. find k1,k2

4. Magnitude plot and Phase Plot is given.

a. find Gain Margin

b. Find Phase Margin

c. what is type of system

d. If k=100 what is factor should be in gain.

e. If phase margin is 45 degree, what should be in gain.

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