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Recent questions tagged feedbacksystem
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GATE201328
The openloop transfer function of a dc motor is given as $\frac{\omega (s)}{V_a(s)}=\frac{10}{1+10s}$.When connected in feedback as shown below, the approximate value of $K_a$ that will reduce the time constant of the closed loop system by one hundred times as compared to that of the openloop system is $1$ $5$ $10$ $100$
asked
Feb 12, 2017
in
Control Systems
by
piyag476
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1.5k
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gate2013ee
feedbacksystem
closedloopsystem
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2
GATE2014318
A singleinput singleoutput feedback system has forward transfer function $G(s)$ and feedback transfer function $H(s)$. It is given that $G(s)H(s)< 1$ . Which of the following is true about the stability of the system? The system is always stable The ... are in left half of the splane It is not possible to say whether or not the system is stable from the information given
asked
Feb 12, 2017
in
Control Systems
by
makhdoom ghaya
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9.2k
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gate2014ee3
transferfunction
feedbacksystem
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GATE2014145
The Bode magnitude plot of the transfer function $G(s)=\frac{K(1+0.5s)(1+as)}{s(1+\frac{s}{8})(1+bs)(1+\frac{s}{36})}$ is shown below: Note that $6$ $dB$/$octave$ = $‒20$ $dB$/$decade$. The value of $\frac{a}{bK}$ is ______.
asked
Feb 12, 2017
in
Power Systems
by
makhdoom ghaya
(
9.2k
points)
gate2014ee1
bodeplot
feedbacksystem
0
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0
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4
GATE2014144
For the given system, it is desired that the system be stable. The minimum value of $\alpha$ for this condition is _______________ .
asked
Feb 12, 2017
in
Control Systems
by
makhdoom ghaya
(
9.2k
points)
gate2014ee1
feedbacksystem
stability
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