Rotary electric machine control apparatus
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Aug 12, 2016
filing date -
Nov 13, 2015
priority date (Note) -
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Abstract
A motor-generator control part controls driving of a motor-generator, which is a drive power source of a vehicle. A torque limitation part of the MG control part limits a torque of the motor-generator when an element temperature indicating a system temperature increases to be higher than a limitation starting temperature. The torque limitation part continues the torque limitation, which was performed when the element temperature was at a peak temperature, until a limitation continuation period elapses, when the element temperature changes from increasing to decreasing as a result of limiting the torque of the motor-generator. Thus torque variation is suppressed while also suppressing overheating of a motor-generator driving system.
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