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Control Systems

Control Systems
The amplitude spectrum of a Gaussian pulse is

 Impulse function.
 Uniform.
 Gaussian.
 A sine function.

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

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Control Systems
Differentiation of parabolic response is a -------------- response?

 step
 impulse
 parabolic
 ramp

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Control Systems
Which one of the following is the response y(t) of a casual LTI system described by H(s) = (s+1)/(s²+2s+2) for a given input x(t) = e-t u(t)?

 e-t tant*u(t)
 e-t cott*u(t)
 e-t cost*u(t)
 e-t sint*u(t)

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Control Systems
What is the order of a closed loop control system for a plant with a transfer function equal to G(s) = k/s²(1+Ts) and with unity feedback

 3
 1
 2
 0

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Control Systems
In frequency response analysis of second order system, the error at corner frequency is

 10 logξ
 -10 logξ
 -20 log2ξ
 20 log2ξ

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