The present invention provides a system for governing a reference speed vref_dhsc for a downhill speed control system in a vehicle in connection with a downhill gradient. The system comprises a simulation unit which is arranged to simulate at least one future speed profile vsim for an actual vehicle speed over a section of road in front of the vehicle. This simulation is based on topographic information. The system also comprises an establishing unit that is arranged to establish whether the reference speed vref_dhsc is to be allocated the increased reference speed vref_dhsc_schwung. This establishment is based on a comparison of the simulated future speed profile vsim with a permitted magnitude of the increased reference speed vref_dhsc_schwung and/or with an infringement speed vs1. The system also comprises an allocation unit, arranged to allocate the value of the increased reference speed Vref_dhsc_schwung to the reference speed vref_dhsc if this has been established.


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    Titel :

    Method and device for controlling the reference speed of a down-hill speed controller


    Beteiligte:
    JOHANSSON OSKAR (Autor:in) / OEGREN MIKAEL (Autor:in) / SWARTLING FREDRIK (Autor:in)

    Erscheinungsdatum :

    29.04.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte



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