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Control Systems

Control Systems
A second order control system has a transfer function 16/(s² + 4s + 16). Find the settling time for 2% tolerance?

 5 sec
 2 sec
 10 sec
 4 sec

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Control Systems
Settling time for 5% tolerance band is -------------

 2T.
 5T.
 3T.
 4T.

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Control Systems
At which frequency does the Bode magnitude plots for the functions K/S2 have gain crossover frequency

 ω = K rad/sec.
 ω = 0 rad/sec.
 ω = √K rad/sec.
 ω = K2 rad/sec.

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Control Systems
For a unity feedback control system open loop transfer function then velocity error constant is

 infinity.
 0.
 50.
 10.

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Control Systems
The transfer function of a system is given as below, if a = 0.1, then the steady state error to unity ramp input will be

 0.25.
 0.35.
 0.49.
 0.16.

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Control Systems
The initial slope of Bode plot for a transfer function having no poles at the origin is

 +10dB/decade.
 -10dB/decade.
 0 dB/decade
 -20dB/decade.

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