Motor control device and motor control method
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United States of America Patent
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May 23, 2006
Grant Date -
May 5, 2005
app pub date -
Oct 26, 2004
filing date -
Oct 29, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A motor control device is provided with a neutral point shift section. The neutral point shift section shifts a neutral point (command neutral point) of phase voltage commands so that the values of the phase voltage commands after the shifting of the neutral point come within the amplitude of a triangular wave (triangular wave signal), and inputs the phase voltage commands with the neutral point having been shifted, to a control signal output section. Thus, the motor control device is enabled to heighten the output voltage without bringing about increase in manufacturing cost and substantial delay in calculation interval.
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