Electric drive control device, electric drive control method, and program of same
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United States of America Patent
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Aug 1, 2006
Grant Date -
Nov 17, 2005
app pub date -
Apr 20, 2005
filing date -
May 14, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electric drive control device is provided with an electric machine having an asymmetrical salient pole, a current detecting portion, a phase converting device that converts the detected current into an axis current, and a current controlling device which generates a voltage command value based on the axis current and a current command value of the axis current. The current controlling device generates the voltage command value in response to the detected current and an offset angle of the center of a magnetic flux density distribution occurring at the salient pole, with respect to the center of an opening angle of the salient pole. In this case, the current controlling device generates a voltage command value corresponding to the detected current and the offset angle so the electrical characteristics are the same as when an electric machine having a symmetrical salient pole is used.
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