Wheel lift identification for an automotive vehicle
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United States of America Patent
Stats
-
Nov 27, 2007
Grant Date -
Jun 10, 2004
app pub date -
Jul 17, 2003
filing date -
Aug 1, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A roll control system (16) for an automotive vehicle (10) is used to detect if one of the plurality of wheels (12) is lifted. The system generates a pressure request to determine if the wheel has lifted. A roll control pressure request may also be generated. The wheel lift pressure is suppressed in response to the roll control pressure request. The system may also store a peak wheel speed after the initiation of a build cycle so that the peak wheel speed is used in the wheel lift determination. Also, the system may have an ABS monitor mode which uses the build and release cycles of the ABS system to determine whether a wheel has lifted.
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