Method and device for adjusting the braking action in a motor vehicle

A method and a device for adjusting a braking action at wheels of a motor vehicle are described. In response to a detected mu-split situation, a reduction of the braking action at a low wheel of a rear axle is brought about as a function of a reduction of the braking action at a same-side wheel of a...

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Bibliographische Detailangaben
Hauptverfasser: DIEHLE STEFAN, POGGENBURG RUEDIGER
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method and a device for adjusting a braking action at wheels of a motor vehicle are described. In response to a detected mu-split situation, a reduction of the braking action at a low wheel of a rear axle is brought about as a function of a reduction of the braking action at a same-side wheel of a front axle. One variant of the method and device no braking action is applied to the low wheel of the rear axle. As a result of the two variants, the low wheel of the rear axle, which is at a side that has a lower coefficient of friction and does not significantly contribute to the overall braking action, is rendered virtually without brake pressure and can therefore function as a reference variable, i.e., vehicle reference velocity. As a result, especially in light commercial vehicles, the braking distances are shorter in response to braking actions in a mu-split while maintaining stable driving performance during the entire braking action.