Active driven wheel lift identification for an automotive vehicle
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United States of America Patent
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Jan 26, 2010
Grant Date -
Aug 26, 2004
app pub date -
Feb 26, 2004
filing date -
Feb 26, 2003
priority date (Note) -
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Abstract
A roll control system (16) for an automotive vehicle (10) is used to actively detect if one of the plurality of the driven wheels (12) is lifted. The system generates a pressure request to determine if the wheel has lifted. By comparing the change in wheel speed of a driven wheel to a change in wheel speed threshold the wheel lift status can be determined. The wheel speed change threshold may be dependent upon various vehicle operating conditions such as powertrain torque, braking torque and/or longitudinal force on the vehicle.
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