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Control Systems

Control Systems
In a control system, an integrator is represented by

  1 / s.
 1 / s2.
  s.
  s2.

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Control Systems
Which of the following is/are the characteristics of negative feedback control system?

 Low sensitivity to parameter variations
All of these
 Rejection of disturbance signals
 Reduction in gain at the expense of better stability

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Control Systems
The transfer function of a system is 10/(1 + S) when operated as a unity feedback system, the steady state error to a unit step input will be

 Zero.
 10.
 ¾.
 1/11.

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Control Systems
Find the bandwidth of the system, when rise time of the system is give as 1msec?

 350 Hz
 750 Hz
 500 Hz
 1 kHz

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Control Systems
The step response of the system described by the differential equation will be

 non of above.
 e6t.
 e-3t u(t).
 (1/6)*(1-e-6t).

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

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

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