Four wheel steering compensation for low coefficient of friction surface

A method directed to improving the stability of a motor vehicle having front and rear steering capabilities includes determining a coefficient of friction of the road surface with which the motor vehicle is engaged and adjusting a phase gain function of a rear steering mechanism to compensate for th...

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Bibliographische Detailangaben
Hauptverfasser: Wendling, Scott, Klein, Steven, Grougan, Paul, Sherman, Scott, Rodden, Eugene, Lemmer, Roderick
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method directed to improving the stability of a motor vehicle having front and rear steering capabilities includes determining a coefficient of friction of the road surface with which the motor vehicle is engaged and adjusting a phase gain function of a rear steering mechanism to compensate for the steerability of the motor vehicle over the road surface. A system for improving the stability of a motor vehicle having front and rear steering capabilities includes a control unit, a front steering mechanism in informational communication with the control unit, and a rear steering mechanism in informational communication with the control unit. The rear steering mechanism is responsive through the control unit to road conditions of the road surface.