Method of three-phase winding motor control of rotary motor-driven linear actuators, linear motor-actuated carriages, and similar systems, and apparatus for practicing the same
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United States of America Patent
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Jun 11, 1991
Grant Date -
N/A
app pub date -
Oct 27, 1988
filing date -
Oct 27, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A motor controller for a three-phase rotary electric motor driving a leadscrew or linear electric motor actuated carriage or similar device and in which the controller generates periodic waveforms on all three phases that match the back-emf of the motor to enable smooth moving of the carriage with compensation for nonlinearities in motor parameters and carriage stiffness and damping.
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