Motor control device and motor control method
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United States of America Patent
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Oct 19, 2016
filing date -
Oct 10, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a motor control device, including an acceleration command calculation unit configured to calculate an acceleration command directed to a motor, a torque command calculation unit configured to calculate a torque command directed to the motor based on the acceleration command and a predetermined moment-of-inertia value, a torque correction value calculation unit configured to estimate disturbance of the motor based on the torque command and at least one of a motor position or a motor speed, to thereby calculate a torque correction value for the torque command, and a moment-of-inertia value change unit configured to change the predetermined moment-of-inertia value based on an estimated moment-of-inertia ratio, which is a ratio of the torque correction value to the torque command.
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