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7-A type-1 plant is changed to type-2 feedback system by the following cascade control action (a)PD (b) PI (c) either PD or PI (d) neither PD nor PI

7-A type-1 plant is changed to type-2 feedback system by the following cascade control action (a)PD (b) PI (c) either PD or PI (d) neither PD nor PI

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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7-A type-1 plant is changed to type-2 feedback system by the following cascade control action (a)PD (b) PI (c) either PD or PI (d) neither PD nor PI 8- A unity feedback system has open loop poles at s = -2±j2, s = 0 and zero at s= -3. The angles of root locus asymptotes with real axis and point of intersection of the asymptotes are, respectively, (a) (60°, -60°, 180°) and -2/3 (b) (60°, -60°, 180°) and -3/2 (c) (45°, -45°, 180°) and -2/3 (d) (45°, -45°, 180°) and -3/4 9-The Nyquist plot of transfer function G H(s) of a closed-loop system is given in figure below, (a) the system is type-0 GH - plane (b) the system is type-1 Im I @=8 10-The dynamics of a system is of second order. The resonance peak of the frequency response is related to (a) Overshoot of time response (b) Damping ratio (c) Both (a) and (b) (d) None of above is correct (c) the system is type-2 (d) the system is type-3 Q.2/ Choose the correct answer for the following questions: 1- A state variable formulation of a system is given by the equations 0 N=²+² >=[1¹] The transfer function of the system is (a) (b) (c) 1 (s+1)(s+2) 1 s+1 1 S+2 (d) none of the above answers are correct @=0 Re 2- Consider the sampled data system shown below. The steady state error for unit ramp input is 286) --- 2010 - 2017-12) R(s) ZOH Y(s) s(TS+1) T k
Transcribed Image Text:7-A type-1 plant is changed to type-2 feedback system by the following cascade control action (a)PD (b) PI (c) either PD or PI (d) neither PD nor PI 8- A unity feedback system has open loop poles at s = -2±j2, s = 0 and zero at s= -3. The angles of root locus asymptotes with real axis and point of intersection of the asymptotes are, respectively, (a) (60°, -60°, 180°) and -2/3 (b) (60°, -60°, 180°) and -3/2 (c) (45°, -45°, 180°) and -2/3 (d) (45°, -45°, 180°) and -3/4 9-The Nyquist plot of transfer function G H(s) of a closed-loop system is given in figure below, (a) the system is type-0 GH - plane (b) the system is type-1 Im I @=8 10-The dynamics of a system is of second order. The resonance peak of the frequency response is related to (a) Overshoot of time response (b) Damping ratio (c) Both (a) and (b) (d) None of above is correct (c) the system is type-2 (d) the system is type-3 Q.2/ Choose the correct answer for the following questions: 1- A state variable formulation of a system is given by the equations 0 N=²+² >=[1¹] The transfer function of the system is (a) (b) (c) 1 (s+1)(s+2) 1 s+1 1 S+2 (d) none of the above answers are correct @=0 Re 2- Consider the sampled data system shown below. The steady state error for unit ramp input is 286) --- 2010 - 2017-12) R(s) ZOH Y(s) s(TS+1) T k
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