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Control Systems
The Laplace transformation of f(t) is F(S) given the final value of f(t) is
Zero.
None of them.
One.
Infinite.
Zero.
None of them.
One.
Infinite.
Answer
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Related Question
Control Systems
Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)?
0
infinite
1
0.83
0
infinite
1
0.83
Answer
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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?
1
4
0.5
2
1
4
0.5
2
Answer
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Control Systems
Force balancing equation for elastic element (K) is (where, x = displacement)
None of these
K dx/dt
K d2x/dt2
K *x
None of these
K dx/dt
K d2x/dt2
K *x
Answer
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Control Systems
A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is
180°
-180°
90°
-90°
180°
-180°
90°
-90°
Answer
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Control Systems
The system is initially critical damped. If the gain of the system is doubled, then it will exhibit
critical damped characteristics.
under damped characteristics.
undamped characteristics.
over damped characteristics.
critical damped characteristics.
under damped characteristics.
undamped characteristics.
over damped characteristics.
Answer
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