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Control Systems

Control Systems
A second order control system has F(jω) = 100/(100 - ω² + 10√2 jω). Find the resonant peak?

 0.707
 1
 0.5
 1.5

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Control Systems
The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to

 (0.5)e-2tu(t).
 e-tu(t).
 2e-tu(t).
 e-2tu(t).

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Control Systems
The initial slope of Bode plot for a transfer function having no poles at the origin is

 -20dB/decade.
 0 dB/decade
 +10dB/decade.
 -10dB/decade.

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Control Systems
Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)?

 1
 0
 infinite
 0.83

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

 20 log2ξ
 10 logξ
 -20 log2ξ
 -10 logξ

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Control Systems
The open loop transfer function of a unity feedback control system is G(s) = 1/((s(s+0.1s)(s+1)). The value of damping factor for which the resonant peek is equal to 1.4 is

 0.953
 0.386
 0.263
 0.707

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