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Control Systems
If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system?
4
0.5
1
2
4
0.5
1
2
Answer
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Related Question
Control Systems
The error of a system to a ramp input is 1/5, if the type of the system is decreased by one, then the error of unit step input is
0.167
5
0.2
6/5
0.167
5
0.2
6/5
Answer
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Control Systems
A control system has open loop transfer function G(s) = k/(s(s + 2). Find the break away point?
-1
1
2
-2
-1
1
2
-2
Answer
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Control Systems
The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is
5 sec
25 sec
1 sec
∞ sec
5 sec
25 sec
1 sec
∞ sec
Answer
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Control Systems
The open loop transfer function for unity feedback system is given by 5(1+0.1s) / (s(1+5s)(1+20s)) Find the steady state error for a step input of magnitude 10 is equal to
2.
zero.
infinite.
5.
2.
zero.
infinite.
5.
Answer
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Control Systems
The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is
45°
60°
80°
30°
45°
60°
80°
30°
Answer
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