Device for controlling distribution force in a four-wheel drive vehicle
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United States of America Patent
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Jul 26, 2016
Grant Date -
Oct 22, 2015
app pub date -
Nov 20, 2013
filing date -
Dec 11, 2012
priority date (Note) -
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Abstract
A device for controlling the distribution of drive force includes a driven wheel drive force distribution reference command value calculator configured to determine a driven-wheel-oriented drive force distribution reference command value from the estimated value of the drive force sent to the drive wheels and a drive force reference distribution ratio, and a driven wheel drive force distribution command value calculator configured to determine a driven-wheel-oriented drive force distribution command value by correcting the driven wheel drive force distribution reference command value by a correction amount that differs between the electric motor operating mode and the electric motor non-operating mode, and to make the correction amount for the electric motor operating mode greater than the correction amount for the electric motor non-operating mode.
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