Fuel cell drive system
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United States of America Patent
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Aug 27, 2013
Grant Date -
Jun 7, 2012
app pub date -
Feb 13, 2012
filing date -
Aug 11, 2006
priority date (Note) -
In Force
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Abstract
A motor system includes detecting a duration of idle stop by an idle stop end state detection unit when the idle stop mode of the fuel cell ends; estimating recovery time taken for total voltage of the fuel cell to reach voltage at the idle operation by a fuel cell stack total voltage recovery time estimation unit based on the detected duration; and correcting and reducing a changing rate of the drive motor request torque by the drive motor request torque reduction correction unit based on the estimated recovery time.
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