Motor control system and method for compensating disturbance
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United States of America Patent
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Mar 5, 2019
Grant Date -
Apr 20, 2017
app pub date -
Sep 30, 2016
filing date -
Oct 14, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A motor control system is provided for compensating disturbance. The system includes a controller that supplies an input voltage to a motor based on the difference between a current command value to a motor and an actual current of the motor. A motor modeling part outputs a motor output current based on an input voltage from the controller and a disturbance observation part is formed as a reverse model of the motor modeling part to remove current noise using a current differentiation filtering method. Additionally, a disturbance compensation amount determination part determines a disturbance compensation amount based on the disturbance estimated by the disturbance observation part.
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