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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?

 2 sec
 10 sec
 4 sec
 5 sec

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Control Systems
Angle condition for complimentary root locus or inverse root locus is

 ± (2q) 180°
 ± (2q) 360°
 ± (2q + 1) 180°
 ± (2q + 1) 360°

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

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

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Control Systems
Lead network is used to

 both A and C.
 improve transient response.
 increase bandwidth.
 improve steady state response.

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Control Systems
The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to?

 1/(s² + s + 2)
 2/(s² + 3s + 2)
 2/(s² + s + 2)
 1/(s² + 3s + 2)

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Control Systems
Electrical analogous element for damper element (force-voltage analogy) in mechanical translation system is

 any of the above
 inductor
 capacitor
 resistor

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