MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE

WIPO Patent Application WO/2024/084639

A1

This motor control device controls energization of a motor through vector control, the motor control device comprising: a current command value calculation unit that generates a current command value in a dq coordinate system on the basis of a command value of the motor; a current-command-value-limiting unit that limits the current command value that was generated by the current command value calculation unit in the dq coordinate system and outputs a current limit command value, which is the current command value in the dq coordinate system after limiting; and a controller that calculates a voltage command value to the motor though feedback control for the current limit command value, the current-command-value-limiting unit limiting the current command value in the dq coordinate system on the basis of a DC bus voltage and the voltage command value so that an operating point has a set voltage margin with respect to a voltage limit circle in the dq coordinate system.

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TOKURA YUGO (JP)
FUJIMOTO CHIAKI (JP)
ISHIKAWA KOSUKE (JP)
MATSUSHITA MASAKI (JP)

PCT/JP2022/039025

April 25, 2024

October 20, 2022

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MITSUBISHI ELECTRIC CORP (JP)

H02P21/22

WO2020234971A1

2020-11-26

JPH08266099A	1996-10-11
JP2001186790A	2001-07-06
JP2009213336A	2009-09-17

NISHIZAWA Kazuyoshi et al. (JP)

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