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Control Systems
The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0?
60°, 180°, 300°
120°, 180°, 240°
0°, 180°, 300°
0°, 120°, 240°
60°, 180°, 300°
120°, 180°, 240°
0°, 180°, 300°
0°, 120°, 240°
Answer
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Related Question
Control Systems
The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its open loop transfer function is
(2s+2)/s²
(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
Answer
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Control Systems
The transfer function of a system given by The system is
an under damped.
unstable.
a critically damped.
an over damped.
an under damped.
unstable.
a critically damped.
an over damped.
Answer
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Control Systems
A controller transfer function is given by . What is its nature and parameter?
lead compensator, α = 0.2
lag compensator, β = 2
lead compensator, α = 0.1
lag compensator, β = 10
lead compensator, α = 0.2
lag compensator, β = 2
lead compensator, α = 0.1
lag compensator, β = 10
Answer
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Control Systems
A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively
0.50 and 4 rad/s
0.25 and 4 rad/s
0.50 and 2 rad/s
0.25 and 2 rad/s
0.50 and 4 rad/s
0.25 and 4 rad/s
0.50 and 2 rad/s
0.25 and 2 rad/s
Answer
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Control Systems
Resonant peak of a marginally stable system is
finite value
any of the above
0
infinite
finite value
any of the above
0
infinite
Answer
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