Synchronous motor controller, synchronous motor control method
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United States of America Patent
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Mar 3, 2015
Grant Date -
Sep 26, 2013
app pub date -
Mar 18, 2013
filing date -
Mar 23, 2012
priority date (Note) -
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Abstract
A controller for a conventional synchronous motor is configured to produce desired output characteristics. The controller generates a drive current for based on a current command, has a motor correcting section and a gain adjusting section which output a compensated current command based on the current command according to a compensating transfer function for cancelling a first transfer function showing a first torque response characteristic of the synchronous motor and replacing it with a second transfer function showing a second torque response characteristic, and a current controller which generates a drive current corresponding to the compensated current command.
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