i need the answer quickly Q3- Sketch the root locus of a unity feedback linear time invariantK(-7s+7)for(2s+6s+4s)control system of open loop transfer function:positive values of loop gain and damping ratio 0.56.

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Answered: Q3- Sketch the root locus of a unity…

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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Feedback Control 2. Consider the unit-step response of unity-feedback control system whose open-loop transfer function is ?
For the open-loop system G(s) = 3/s^2 + 2s - 3 assume there is a feedback with a proportional gain, K. And sketch a locus of closed-loop rootsverse K. What is the minimum value of K to achievea stable system?
The open loop transfer function of unity feedback system is ??(??) = ??????????(??+??)(??+????).1- Assess the stability of the system.2- If the gain ?? is connected in series with G(s) as shown in figure Q1, Determine the range of ?? for stable system.
Question 3: Please write answers to all parts of the question in the separate dot points as shown What is the circuit called? Discuss all components including voltage sources. Which components determine the closed-loop gain of the circuit? Describe the slew-rate of the op-amp. Describe the Common-Mode-Rejection ratio of the op-amp? What is the unity gain bandwidth? Describe the gain bandwidth product (GBP). Describe the GBP relationship between the break (critical) frequency and the gain? What two methods calculate the max frequency? If one produces a higher value of maximum frequency than the other, which would you use as the maximum frequency?
Discuss the distinction between open-loop gain and closed-loop gain.
Routh Hurwitz analysis of closed loop system with variable gain.
Control Systems, expand on configurations of feedback compensation and give detailed solutions.
Suppose that we are designing an amplifier, using an op amp. What problems are associated with using very small feedback resistances? With very large feedback resistances?
Find the expression for the open loop gain Rm (=Output voltage/Input current). Get the expression for Ro,cl (closed loop output resistance).
For the unity feedback system given below, the damping ratio of the closed looppoles is given by a) 1.5 b) 1 c) 0.5 d) 0.25
3- Consider the unity feedback system shown below. a)Find the range of k for which the closed-loop system is table. b)What is the steady-state error for unit ramp and step inputs.
An open-loop system is described by the differential equation (see picture). A) Is this system stable. Why? This system is now connected with unity feedback. B) Write the loop transfer function, G(s)H(s); C) Determine the gain and phase margins of the closed loop system and comment on stability.

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