Rotary electric machine control device and method
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United States of America Patent
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Aug 2, 2022
Grant Date -
Nov 12, 2020
app pub date -
Apr 17, 2020
filing date -
May 7, 2019
priority date (Note) -
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Abstract
An ECU includes a plurality of control circuits which is configured to control driving of a motor and communicate each other. The control circuits are configured to switch control modes including an ADS mode for controlling the driving of the motor based on a steering angle command θs* and a torque control mode for controlling the driving of the motor based on a torque command value. A first control circuit, which calculates an EPS current command value shared by the plurality of control circuits in an EPS mode, and a second control circuit, which calculates an ADS current command value shared by the plurality of control units in an ADS mode, are different. This makes it possible to reduce a calculation load as compared with a case where the same control circuit serves as an EPS master and an ADS master.
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