Introductory Circuit Analysis (13th Edition)
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ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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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](https://content.bartleby.com/qna-images/question/6b4df86d-0c24-4a7f-9947-5722e937d1b6/134780d4-bbb6-4984-84a7-7d913c311914/noy1xp_processed.jpeg)
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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- Consider the following control system: R |Ke s+1 + or- What is the unit-step response for negative feedback, withc = 1.0? This is one out of five questions on the same control system. A C() = 0.5(1 -e") B C() = 0.5(1-e*) C() = 1- e- D C) = 1-e05tarrow_forwardA negative feedback system has a forward path gain of 18 and a feedback path gain of 0.15. What is the overall gain of the system?arrow_forwardThanksarrow_forward
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