Device for briefly bridging the failure of the satellite...

Details Device for briefly bridging the failure of the satellite... Device for briefly bridging the failure of the satellite...

G - Physics

01

C

G01C 21/00 (2006.01) G01C 21/28 (2006.01) G07B 15/00 (2006.01)

Patent

CA 2464286

The invention relates to a method for electronically charging tolls, whereby actual position coordinates (OKO) of a vehicle are determined by means of at least one position fixing system, in order to determine if a toll road segment has been taken. Said position coordinates (OKO) are determined at least temporarily by means of a satellite-aided position fixing system (SGS). At least one signature (SIG), which is characteristic of the road segment taken by said vehicle, is calculated by means of said position coordinates of the vehicle (FA1, FA2). Said signature (SIG) permits the determination of whether the road segment taken is a toll road segment or not. At least in case of partial failure of said satellite-aided position fixing system (SGS), the position coordinates are determined by means of an inertial navigation system (TNS).

L'invention concerne un procédé de facturation électronique de frais de péage, consistant à déterminer des coordonnées de position réelles (OKO) d'un véhicule à l'aide d'au moins un système de détermination de position, afin de déterminer si un tronçon à péage est parcouru. Ces coordonnées de position (OKO) sont déterminées au moins temporairement à l'aide d'un système de détermination de position assisté par satellite (SGS). Au moins une signature, caractéristique du tronçon parcouru par ce véhicule (FAR), est calculée à l'aide des coordonnées de position dudit véhicule (FA1, FA2). Cette signature (SIG) permet de déterminer si le tronçon parcouru est soumis à péage. Ces coordonnées de position sont déterminées à l'aide d'un système de navigation inertielle (TNS), au moins en cas de défaillance partielle dudit système de détermination de position assisté par satellite (SGS).

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