Drag torque request security diagnostic systems and methods
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United States of America Patent
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Oct 25, 2016
Grant Date -
Nov 19, 2009
app pub date -
Apr 15, 2009
filing date -
May 14, 2008
priority date (Note) -
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Abstract
An engine control system for a vehicle comprises a torque module and a drag request evaluation module. The torque module controls torque output of an engine based on a driver torque request and increases the torque output based on a wheel drag torque request generated based on a driven wheel speed. The drag request evaluation module disables the increase of the torque output when the driven wheel speed is greater than an undriven wheel speed by more than a predetermined speed.
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