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Control Systems

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

 (1/3) × (1-e-3t).
 e6t.
 e-3t u(t).
 1/3.

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Control Systems
The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is

 60°
 30°
 45°
 80°

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Control Systems
The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )3 is

 2.
  8.
 6.
 4.

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Control Systems
The transfer function of the control system depends on

 nature of the output.
 nature of the input.
 the system parameters alone.
 initial conditions of input and output.

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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.
 ¾.
 1/11.
 10.

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Control Systems
The poles of the second order system are at -3 ± j4. The damping ratio of the system is

 3/5
 3/4
 3/7
 4/5

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