Navy electricity and electronics training series

accelerometer accuracy alignment amount amplifier amplitude angle answer sheets applied force armature basic causes circuit clockwise closed-loop coarse connected control synchro system control system control transformer correspondence counterclockwise CT rotor d.c. error signal damping demodulator dial differential receiver differential synchro differential transmitter direction electrical input electrical zero error detector feedback flywheel frequency gimbal gyro gyroscope input signal load loop magnetic amplifier magnetic field mechanical input Module motor move Navy NEON LAMP OCC-ECC open-loop control operation oscillations output voltage phase potentiometer precession prestandard Program Development Center R₁ reference reversed RI R2 rotation S1 and S3 servo servoamplifier servomotor servosystem shaft shown in figure SLIP RINGS speed spin axis standard synchro stator coil stator currents stator field stator windings supply voltage synchro capacitor synchro receiver synchro tester synchro transmitter tach tachometer torque differential torque synchro turn TX rotor type of synchro vector voltage voltage induced voltmeter volts