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Control Systems

Control Systems
Find the bandwidth of the system, when rise time of the system is give as 1msec?

 750 Hz
 1 kHz
 350 Hz
 500 Hz

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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-2tu(t).
 2e-tu(t).
 e-tu(t).

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Control Systems
A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency?

 32.16 rad/s
 30.63 rad/s
 29.74 ra/s
 31.41 rad/s

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Control Systems
Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as

 critically damped system.
 over damped system.
 under damped system.
 undamped system .

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Control Systems
The step response of the system described by the differential equation will be

 (1/6)*(1-e-6t).
 non of above.
 e6t.
 e-3t u(t).

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Control Systems
When the polynomial is Routh Hurwitz,

 all zeroes lie in the right half of the s-plane.
 none of these.
 the function is not real.
 the roots of function have real parts which are to be zero/negative.

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