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• ### A unity feedback system with the forward transfer function G(s)=K/(s+1)(s+3)(s+6) is operating wi...

A unity feedback system with the forward transfer function G(s)=K/(s+1)(s+3)(s+6) is operating with a closed-loop step response that has 15% overshoot. Do the following: a) Evaluate the steady-state error for a unit step input b) Design a PI control to reduce the steady-state error to zero without affecting its transient response c) Evaluate the steady-state error and overshoot for a unit step input to your compensated system A unity feedback system with the forward transfer function G(s) is operating with...

• ### PROBLEM: A unity feedback system with the forward transfer function K G(s) s(s+7) is operating with...

PROBLEM: A unity feedback system with the forward transfer function K G(s) s(s+7) is operating with a closed-loop step response that has 15% overshoot. Do the following: a. Evaluate the steady-state error for a unit ramp input. b. Design a lag compensator to improve the steady-state error by a factor of 20. c. Evaluate the steady-state error for a unit ramp input to your compensated system. d. Evaluate how much improvement in steady-state error was realized.

• ### Question #3 (25 points): A unity feedback system has the following forward transfer function: K(s+20)(s +30) G(S) =...

Question #3 (25 points): A unity feedback system has the following forward transfer function: K(s+20)(s +30) G(S) = s(s+25) (s + 35) Find using Matlab: a) The static error constants Kp, Kv and Ka if the inputs are 15u(t), 15tu(t), and 15t u(t). [15 pts b) The steady-state error for the following inputs: 15u(t), 15tu(t), and 15tu(t). [10 pts Question #3 (25 points): A unity feedback system has the following forward transfer function: K(s+20)(s +30) G(S) = s(s+25) (s +...

• ### 4. A unity feedback system has the following forward transfer function G(s) = s(s+a) (a) Determin...

4. A unity feedback system has the following forward transfer function G(s) = s(s+a) (a) Determine K and ath Answer: K 831,000 and a 832 (b) Determine K and a that gives ess-001 and a 10% overshoot Answer: K14000 and a 140 4. A unity feedback system has the following forward transfer function G(s) = s(s+a) (a) Determine K and ath Answer: K 831,000 and a 832 (b) Determine K and a that gives ess-001 and a 10% overshoot Answer:...

• ### A unity feedback system with the forward transfer function G (s) = s(s+2)(s15) is operating with ...

A unity feedback system with the forward transfer function G (s) = s(s+2)(s15) is operating with a closed-loop step response that has 15% overshoot. Do the following: a) Evaluate the settling time for a unit step input b) Design a PD control to yield a 15% overshoot but with a threefold reduction in settling time; c) Evaluate the settling time, overshoot, and steady-state error with the PD control. A unity feedback system with the forward transfer function G (s) =...

• ### A unity feedback system with the forward transfer function G)2)(s +5) is operating with a closed-...

A unity feedback system with the forward transfer function G)2)(s +5) is operating with a closed-loop step response that has 15% overshoot. Do the following: a) Evaluate the settling time for a unit step input; b) Design a PD control to yield a 15% overshoot but with a threefold reduction in settling time; c) Evaluate the settling time, overshoot, and steady-state error with the PD control. A unity feedback system with the forward transfer function G)2)(s +5) is operating with...

• ### 1. Consider a unity feedback control system with the transfer function G(s) = 1/[s(s+ 2)] in...

1. Consider a unity feedback control system with the transfer function G(s) = 1/[s(s+ 2)] in the forward path. (a) Design a proportional controller that yields a stable system with percent overshoot less that 5% for the step input (b) Find settling time and peak time of the closed-loop system designed in part (a); (c) Design a PD compensator that reduces the settling time computed in (b) by a factor of 4 while keeping the percent overshoot less that 5%...

• ### Problem 1. A unity feedback system with forward transfer function G(s) is operating with a closed...

Problem 1. A unity feedback system with forward transfer function G(s) is operating with a closed-loop step response that has 20.5% overshoot. G)-(+8)6 + 25) G(s) (a) Design a PD compens ator to decrease the settling time of the closed-loop system by a factor of four Problem 1. A unity feedback system with forward transfer function G(s) is operating with a closed-loop step response that has 20.5% overshoot. G)-(+8)6 + 25) G(s) (a) Design a PD compens ator to decrease...

• ### K and consider a PI s+4 A unity feedback system has an open loop transfer function G(s) [4] S+a controller Ge(s) S Sele...

K and consider a PI s+4 A unity feedback system has an open loop transfer function G(s) [4] S+a controller Ge(s) S Select the values of K and a to achieve a) (i) Peak overshoot of about 20% (ii) Settling time (2% bases) ~ 1 sec b) For the values of K and a found in part (a), calculate the unit ramp input steady state error K and consider a PI s+4 A unity feedback system has an open loop...

• ### 17. Consider unity feedback system with uncompensated forward transfer function a given by: K G(s) s+3)(s 6) The system...

17. Consider unity feedback system with uncompensated forward transfer function a given by: K G(s) s+3)(s 6) The system requires a damping ratio of 0.5. If the design point is at -1.54 j2.66, design a PI controller to drive the steady-state error of the response to zero 17. Consider unity feedback system with uncompensated forward transfer function a given by: K G(s) s+3)(s 6) The system requires a damping ratio of 0.5. If the design point is at -1.54 j2.66,...