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Automatic Control Systems

Automatic Control Systems
Integral control action

Both (a) and (b)
Removes offset
Neither (a) nor (b)
May lead to oscillatory response

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Automatic Control Systems
DC tachogenerator can be used in

Neither A nor B
Speed control system
Position control system
Both A and B

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Automatic Control Systems
A system is highly oscillatory if

Gain margin is high
Gain margin is close to 1 or phase margin is zero
Gain margin is high and phase margin is 180°
Gain margin is close to 1

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Automatic Control Systems
In force current analogue, mechanical mobility is analogous to

Reactance X
Admittance Y
Conductance G
Impedance Z

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Automatic Control Systems
The distance of poles from origin depends on

Damping ratio
Neither A nor B
Both A and B
Uqndamped natural frequency

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Automatic Control Systems
If the poles lie in second quadrant, damping ratio is

1
less than 1
more than 1
zero

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MORE MCQ ON Automatic Control Systems

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