Motor control device
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United States of America Patent
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Sep 8, 2015
Grant Date -
Oct 30, 2014
app pub date -
Nov 22, 2012
filing date -
Nov 24, 2011
priority date (Note) -
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Abstract
A motor control device of controlling a motor unit that drives a wheel is provided. The device include a temperature sensor that senses a temperature of a motor coil, and a motor current limiter. The motor current limiter sets a plurality of threshold values of the temperature sensed by the temperature sensor, sets a current limiting condition that are different from each other for respective sectioned temperature ranges defined by the threshold values, and limits a current for the motor unit according to the current limiting condition for the temperature ranges to which the temperature having been sensed belongs.
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