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Automatic Control Systems
A lead compensator
Increases the stability margin and speeds up the transient-response.
Speeds up the transient response
None of these
Increases the stability margin
Increases the stability margin and speeds up the transient-response.
Speeds up the transient response
None of these
Increases the stability margin
Answer
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Related Question
Automatic Control Systems
Nichol’s chart is symmetric about – 180° axis.
False
True
False
True
Answer
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Automatic Control Systems
Integral control action
Neither (a) nor (b)
May lead to oscillatory response
Both (a) and (b)
Removes offset
Neither (a) nor (b)
May lead to oscillatory response
Both (a) and (b)
Removes offset
Answer
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Automatic Control Systems
Which of the following features is not associated with Nichols chart?
(0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)
The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system
It is symmetric about -180°
M loci are centred about (0 dB, -180°) point
(0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)
The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system
It is symmetric about -180°
M loci are centred about (0 dB, -180°) point
Answer
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Automatic Control Systems
The permanent magnet field system of brushless dc servo- motor is generally on
Stator
Partly on stator and partly on rotor
Either (a) or (b)
Rotor
Stator
Partly on stator and partly on rotor
Either (a) or (b)
Rotor
Answer
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Automatic Control Systems
The distance of poles from origin depends on
Damping ratio
Uqndamped natural frequency
Both A and B
Neither A nor B
Damping ratio
Uqndamped natural frequency
Both A and B
Neither A nor B
Answer
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