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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.
e3t - e2t.
e2t + e3t.
e5t.
e2t - e3t.
e3t - e2t.
e2t + e3t.
e5t.
Answer
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Related Question
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
1/s(s+1)2
s/(s+1)
s/(s+1)2
(s+1)2/s
1/s(s+1)2
s/(s+1)
s/(s+1)2
(s+1)2/s
Answer
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Control Systems
A control system has open loop transfer function . Break away point is lies between
-4 and -6.
0 and 4.
0 and -4.
any of the above.
-4 and -6.
0 and 4.
0 and -4.
any of the above.
Answer
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Control Systems
For a unity feedback control system open loop transfer function then acceleration error constant is
0.
infinity.
50.
20.
0.
infinity.
50.
20.
Answer
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Control Systems
A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1?
ω1 = tan(Tω1)
ω1 = cot(Tω1)
Tω1 = cot(ω1)
Tω1 = tan(ω1)
ω1 = tan(Tω1)
ω1 = cot(Tω1)
Tω1 = cot(ω1)
Tω1 = tan(ω1)
Answer
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Control Systems
The characteristic equation for closed loop system is given as . The value of k for which the system becomes just stable is
2
8
6
4
2
8
6
4
Answer
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