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Control Systems
The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is
1 rad/s
0.6 rad/s
0.8 rad/s
2 rad/s
1 rad/s
0.6 rad/s
0.8 rad/s
2 rad/s
Answer
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Related Question
Control Systems
The system having characteristic equation is used to be an oscillator. What is the value of k?
3
4
2
1
3
4
2
1
Answer
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Control Systems
The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is
0.4 sec.
2 sec.
1.6 sec.
1.2 sec.
0.4 sec.
2 sec.
1.6 sec.
1.2 sec.
Answer
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Control Systems
Given the transfer function of a system. Which of the following characteristics does it have?
Critical damped
Over damped
any of the above
Under damped
Critical damped
Over damped
any of the above
Under damped
Answer
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Control Systems
A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is
s/(s+1)2
1/s(s+1)2
s/(s+1)
(s+1)2/s
s/(s+1)2
1/s(s+1)2
s/(s+1)
(s+1)2/s
Answer
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Control Systems
Which of the following transfer functions represent under damped second order systems?
All of these
2/(s² + 2s + 2)
1/(s² + s + 1)
4/(s² + 2s + 4)
All of these
2/(s² + 2s + 2)
1/(s² + s + 1)
4/(s² + 2s + 4)
Answer
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