| 摘要 |
The present invention relates to a device for determining the roll angle and a system and a method for roll stabilization of a motor vehicle with a yaw rate sensor arrangement ( 1 ) of an existing driving dynamics control system which, for detecting a combined signal consisting of yaw rate and roll rate, is with its measuring axis inclined at a predetermined inclination angle (alpha) in relation to the vertical axis in the plane passing through the longitudinal axis and the vertical axis of the motor vehicle; and with at least one observer ( 3 ), preferably designed as a Kalman filter, which, for determining the roll angle (phi), splits the combined signal detected by the yaw rate sensor arrangement ( 1 ) into the two signal components yaw rate and roll rate. Furthermore, the roll angle (phi) determined is compared with a predetermined threshold value by means of an analyzer arrangement (2, 130), and an appropriate stabilization measure is activated by means of an activation arrangement (130) in the event of the predetermined threshold value being exceeded by the roll angle (phi) determined.
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