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Control Systems

Control Systems
For type 1 system with parabolic input, the steady state error is

 finite constant.
 infinite.
 zero.
 indeterminate.

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Control Systems
A second order under damped system has damping ratio of 0.3. Find the phase margin of the system?

 30°
 60°
 3°
 20°

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Control Systems
With regard to filtering property, the lead compensator is

 band reject filter
 high pass filter
 bandpass filter
 low pass filter

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Control Systems
A controller transfer function is given by . What is its nature and parameter?

 lag compensator, β = 2
 lead compensator, α = 0.2
 lead compensator, α = 0.1
 lag compensator, β = 10

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Control Systems
When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is

 1.386.
 0.500.
 2.000.
 0.693.

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Control Systems
The position and velocity error coefficient for the transfer function given below are respectively

 0 and infinity.
 0 and 0.
 50 and infinity.
 50 and 0.

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