CONTROL DEVICE OF ROTATING MACHINE, AND CONTROL DEVICE OF ELECTRIC VEHICLE

WIPO Patent Application WO/2020/115859

A1

This control device of a rotating machine comprises: a magnetic pole position estimating unit; a vector calculation unit that generates a d axis current and a q axis current based on the phase current detection results of each phase flowing in the rotating machine; a current command correction unit that corrects a first d axis current command and a first q axis current command, and outputs a second d axis current command and a second q axis current command; a current control unit; a voltage application unit that superimposes a high frequency voltage including a specific frequency component on a voltage command on the rotation coordinates; and a voltage control unit, wherein the magnetic pole estimating unit estimates the magnetic pole position based on the state quantity of the specific frequency component, and the current command correction unit corrects the current command so that the current amplitude of an electrical angle frequency component is ½ times or greater than the current amplitude of the specific frequency component.

JP6183521	A control device of a synchronous motor
JPH03124287	EQUIVALENT DISTURBANCE OBSERVER EMPLOYING NO SPEED SENSOR
JP2002112572	CONTROL METHOD FOR COMPRESSOR

TACHIBANA TOMOYA (JP)
KIMPARA YOSHIHIKO (JP)

PCT/JP2018/044908

June 11, 2020

December 06, 2018

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MITSUBISHI ELECTRIC CORP (JP)

H02P21/18

WO2013114688A1

2013-08-08

JP2009290929A	2009-12-10
JP2011193726A	2011-09-29

SOGA, Michiharu et al. (JP)

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