Physics
Scientific paper
Aug 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.294..307d&link_type=abstract
In ESA, European Space Power, Volume 1 p 307-309 (SEE N90-17678 10-20)
Physics
Analog To Digital Converters, Digital To Analog Converters, Servocontrol, Sine Waves, Stepping Motors, Harmonic Control, Parametric Frequency Converters, Servomechanisms, Vibration Damping
Scientific paper
Stepper Motor Control (MC) using twin bidirectional buck converters is presented. The system can be split in two by providing digital electronics for the generation of sine reference voltages with variable frequency, or by means of analog electronics using two buck regulators, each followed by an inverter bridge that drives the stepper motor. The sine reference with variable frequency is used to avoid vibrations on the motor axis. The digital circuit outputs its data via a digital to analog converter that gives the rectified value and sign of the sinusoidal signals to the buck converters of the analog part and bridge-inverter which allows for a bipolar motor current.
Battle A.
Capdepuy M.
Capel A.
Decoligny M.
Dullaart L. J.
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