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Control Systems
The closed loop transfer function of a unity feedback control system is 9/(s² + 3s + 9), then the type of the system is
0
2
1
3
0
2
1
3
Answer
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Related Question
Control Systems
Which of the following is/are represents the lag compensator?
(s+2)/(s+1)
(s+2)/(s+5)
both 1 and 2
(s+5)/(s+6)
(s+2)/(s+1)
(s+2)/(s+5)
both 1 and 2
(s+5)/(s+6)
Answer
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Control Systems
Electrical analogous quantity for spring element (K) in force-voltage analogy is
R
C
L
1/C
R
C
L
1/C
Answer
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Control Systems
Find the conditions for the system to be stable?
Gain margin and phase margins are positive
Gain margin is positive but phase margin is negative
Gain margin is negative but phase margin is positive
Gain margin and phase margins are negative
Gain margin and phase margins are positive
Gain margin is positive but phase margin is negative
Gain margin is negative but phase margin is positive
Gain margin and phase margins are negative
Answer
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Control Systems
Which of the following statements is/are true?
nether 1 nor 2
both 1 and 2
Centroid may not be a part of root locus
Centroid may be a part of root locus
nether 1 nor 2
both 1 and 2
Centroid may not be a part of root locus
Centroid may be a part of root locus
Answer
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Control Systems
When writing a transfer function which of the following loops are not valid loops?
Self loops at input node.
Self loops at output node.
Neither 1 nor 2.
Both 1 and 2.
Self loops at input node.
Self loops at output node.
Neither 1 nor 2.
Both 1 and 2.
Answer
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