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Control Systems

Control Systems
Based on relation between the arm impedances the filters can be categorized into how many types?

 4.
 3.
 Not classified at all.
  2.

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

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

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Control Systems
The open loop transfer function for unity feedback system is given by 5(1+0.1s) / (s(1+5s)(1+20s)) Find the steady state error for a step input of magnitude 10 is equal to

 2.
 5.
 infinite.
 zero.

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Control Systems
A system is stable for (where GM = Gain Margin and PM = Phase Margin):

 PM - ve.
 GM -ve.
 GM and PM both -ve.
 GM and PM both +ve.

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Control Systems
Which of the following combinations is/are correct electrical analogous elements in force-current analogy?

 Velocity (v) ----------------- Voltage (V)
 Spring element (K) --------- Inverse inductance (1/L)
All of these
 Force (f) --------------------- Current (i)

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Control Systems
A proportional plus derivative controller

 has high sensitivity
 both 1 and 2
 improves the steady state accuracy
 increases the stability of the system

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