METHOD FOR DETERMINING AT LEAST ONE DISPLACEMENT STATE OF A VEHICLE BODY

The invention relates to a method for determining at least one displacement state of a body (10) of a vehicle (1), comprising at least one wheel (2) which is spring-mounted on the vehicle body by means of a wheel suspension (6). According to the invention, a spring deflection (zrel) of the wheel (2)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RAPPELT STEFAN, GARTNER ANDREAS, HEES EBERHARD
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a method for determining at least one displacement state of a body (10) of a vehicle (1), comprising at least one wheel (2) which is spring-mounted on the vehicle body by means of a wheel suspension (6). According to the invention, a spring deflection (zrel) of the wheel (2) is measured by means of a path or angle sensor (21); a spring deflection speed (zrel) of the wheel (2) is determined by temporal differentiation of the spring deflection (zrel) of the wheel (2); a vertical acceleration (zrel) of the wheel (2) is measured by means of an acceleration sensor (22); a vertical speed (zRAD) of the wheel (2) is determined by temporal integration of the vertical acceleration (zRAD) of the wheel (2); and a vertical speed (zAUFB) of the vehicle body (10) is calculated by forming a difference between the vertical speed (zRAD) and the spring deflection speed (zrel) of the wheel (2).