In root locus analysis the breakaway and break in points
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Control Systems
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Lag compensation permits a high gain at low frequencies.
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The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions.
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Which of the following features is not associated with Nichols chart?
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A lag compensator
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A lead compensator
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The relative stability of a system is given by
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Transport lag usually exists in
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Robotic manipulator arms mostly use
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Nichol’s chart is symmetric about -180° axis.
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For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency.
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In the field controlled motor the entire damping comes from
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In Bode plots the frequency at which two asymptotes meet is called corner frequency.
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Integral control action
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Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
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For type 1 system the velocity lag error is
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The effect of adding poles and zeros can be determined quickly by
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Which of the following can be used as a rotating amplifier in a control system?
1. Amplidyne
2. Separately excited dc generator
3. Synchro
4. Self excited dc generator
1. Amplidyne
2. Separately excited dc generator
3. Synchro
4. Self excited dc generator
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In control systems the output of sensor usually, is
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M circles are symmetrical with respect to
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