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Controlling a Four-Quadrant Brushless Three-Phase dc MotorControl circuit commutates windings of brushless, three-phase, permanent-magnet motor operating from power supply. With single analog command voltage, controller makes motor accelerate, drive steadily, or brake regeneratively, in clockwise or counterclockwise direction. Controller well suited for use with energy-storage flywheels, actuators for aircraft-control surfaces, cranes, industrial robots, and other electromechanical systems requiring bidirectional control or sudden stopping and reversal.
Document ID
19860000310
Document Type
Other - NASA Tech Brief
Authors
Nola, F. J.
Date Acquired
August 12, 2013
Publication Date
July 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 4
ISSN: 0145-319X
Subject Category
ELECTRONIC COMPONENTS AND CIRCUITS
Report/Patent Number
MFS-28080
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.