A method for determining a road condition is carried out aboard a vehicle driving on the road and comprises the following steps: capturing the noise created by the friction between at least one tire and the road; analyzing the noise signal in the high frequency range to determine whether the road condition is dry or not; and, in case the road condition is not dry, analyzing the noise signal in the low frequency range to determine whether to road condition is wet or damp.
METHOD AND SYSTEM FOR REAL-TIME ESTIMATION OF ROAD CONDITIONS AND VEHICLE BEHAVIOR
VERFAHREN UND SYSTEM ZUR ECHTZEITSCHÄTZUNG VON STRASSENBEDINGUNGEN UND FAHRZEUGVERHALTEN
PROCÉDÉ ET SYSTÈME POUR L'ESTIMATION EN TEMPS RÉEL D'ÉTATS DE ROUTE ET DE COMPORTEMENT DE VÉHICULE
05.05.2021
Patent
Elektronische Ressource
Englisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES |
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