Control Systems and Unity Feedback System

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  26295 Control Systems - Unity Feedback Loop, Nyquist Contour, Routh-Hurwitz Analysis A process has a transfer function: {see attached} and is included in a unity feedback loop with a proportional controller Kp in a feedforward branch of the control loop

• Sample Question: Control Systems

  233398 Sample Question: Control Systems See the attachment. 1. What is the phase margin and gain margin? A system has a loop function: A) P.M.= 32.5 degrees and G.M.=16.47 dB. B) P.M.= 30.2 degrees and G.M.=15.67 dB.

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  The velocity feedback gain is calculated as . Therefore, A Unity Feedback Control System, Closed-Loop Transfer and Open-Loop Transfer Functions are investigated. The solution is detailed and well presented.

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  Consider a unity-feedback control system with the closed loop transfer function. b) whether system is stable or not. c) the steady state error for unit step input if system is stable.

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  72009 Open-Loop Transfer Function of a Unity Feed-back Control System The open loop transfer function of a unity feedback control system is given: G(s) = K/s(s+3)^2 Sketch the root locus of the system.

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  39324 Design a series controller The process of a unity-feedback control system has the transfer function 100 Gp(s) = ------------------------ s^2 + 10 s + 100 Design a series controller (a PD, PI or PID

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  57970 Control signal processing problem Consider the unity-feedback control system whose open-loop transfer function is G(s)= (as+1)/(s^2) Determine the value of a so that the phase margin is 45 degrees.

• Transfer Function Analysis for a Unity Feedback System

  37725 Transfer Function Analysis for a Unity Feedback System For a unity feedback system with open-loop transfer function, G(s) = K(s+alpha)/(s^2 + 4s + 1): a) Find all values of alpha such that the system is stable for K = 2.