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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 2 rad/s
0.25 and 4 rad/s
0.50 and 4 rad/s
0.25 and 2 rad/s
0.50 and 2 rad/s
0.25 and 4 rad/s
0.50 and 4 rad/s
0.25 and 2 rad/s
Answer
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Related Question
Control Systems
In a control system, an integrator is represented by
1 / s2.
s.
1 / s.
s2.
1 / s2.
s.
1 / s.
s2.
Answer
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Control Systems
A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by
1∠0°
0.5∠0°
0.5∠10°
2∠90°
1∠0°
0.5∠0°
0.5∠10°
2∠90°
Answer
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Control Systems
The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to?
2/(s² + s + 2)
2/(s² + 3s + 2)
1/(s² + s + 2)
1/(s² + 3s + 2)
2/(s² + s + 2)
2/(s² + 3s + 2)
1/(s² + s + 2)
1/(s² + 3s + 2)
Answer
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Control Systems
Transient state analysis depends on which of the following?
type of system
order of system
nether 1 nor 2
both 1 and 2
type of system
order of system
nether 1 nor 2
both 1 and 2
Answer
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Control Systems
In signal flow graph output node is node having only------------
None of these
incoming branches
both 1 and 2
outgoing branches
None of these
incoming branches
both 1 and 2
outgoing branches
Answer
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