Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Stator Either (a) or (b) Partly on stator and partly on rotor Rotor Stator Either (a) or (b) Partly on stator and partly on rotor Rotor ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Nyquist plot Root locus Nichols chart Bode plot Nyquist plot Root locus Nichols chart Bode plot ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following is open loop system? Aqualing System for controlling antirocket missiles Respiratory system of animal Wind screen wiper Aqualing System for controlling antirocket missiles Respiratory system of animal Wind screen wiper ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? M loci are centred about (0 dB, -180°) point The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° M loci are centred about (0 dB, -180°) point The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Motor friction and load Armature resistance Field resistance Back emf Motor friction and load Armature resistance Field resistance Back emf ANSWER DOWNLOAD EXAMIANS APP