ECE :: Automatic Control Systems
- For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency.
- In the field controlled motor the entire damping comes from
- In Bode plots the frequency at which two asymptotes meet is called corner frequency.
- Integral control action
- Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
- For type 1 system the velocity lag error is
- 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 - In control systems the output of sensor usually, is
- M circles are symmetrical with respect to
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