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Control Systems
The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value?
1/4
1
0
3/5
1/4
1
0
3/5
Answer
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Related Question
Control Systems
For the polynomial , find the number of roots which lie on the right half of s-plane?
4
2
0
1
4
2
0
1
Answer
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Control Systems
The step response of the system described by the differential equation will be
e-3t u(t).
non of above.
e6t.
(1/6)*(1-e-6t).
e-3t u(t).
non of above.
e6t.
(1/6)*(1-e-6t).
Answer
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Control Systems
If the bandwidth of the system is very large, the system response is
None of these
slower
independent of bandwidth
faster
None of these
slower
independent of bandwidth
faster
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 = cot(Tω1)
ω1 = tan(Tω1)
Tω1 = cot(ω1)
Tω1 = tan(ω1)
ω1 = cot(Tω1)
ω1 = tan(Tω1)
Tω1 = cot(ω1)
Tω1 = tan(ω1)
Answer
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Control Systems
When writing a transfer function which of the following loops are not valid loops?
Both 1 and 2.
Self loops at input node.
Self loops at output node.
Neither 1 nor 2.
Both 1 and 2.
Self loops at input node.
Self loops at output node.
Neither 1 nor 2.
Answer
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