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Control Systems
The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is
(2s+2)/(s+1)²
(2s+1)/(s+1)²
(2s+1)/s²
(2s+2)/s²
(2s+2)/(s+1)²
(2s+1)/(s+1)²
(2s+1)/s²
(2s+2)/s²
Answer
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Related Question
Control Systems
Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as
critically damped system.
under damped system.
over damped system.
undamped system.
critically damped system.
under damped system.
over damped system.
undamped system.
Answer
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Control Systems
The value of 'a' in to give phase margin = 45o will be
1.414.
0.9.
0.707.
1.18.
1.414.
0.9.
0.707.
1.18.
Answer
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Control Systems
Find the corner frequency for the following transfer function? G(s) = 1/(s+2)
2 rad/s
4 rad/s
1/4 rad/s
1/2 rad/s
2 rad/s
4 rad/s
1/4 rad/s
1/2 rad/s
Answer
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Control Systems
When writing a transfer function which of the following loops are not valid loops?
Self loops at input node.
Neither 1 nor 2.
Self loops at output node.
Both 1 and 2.
Self loops at input node.
Neither 1 nor 2.
Self loops at output node.
Both 1 and 2.
Answer
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Control Systems
A linear time invariant system has an impulse response e2t for t > 0 . If initial condition are 0 and input is e3t, the output for t > 0 is
e2t + e3t.
e2t - e3t.
e3t - e2t.
e5t.
e2t + e3t.
e2t - e3t.
e3t - e2t.
e5t.
Answer
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