A control system for a lift truck comprises: human-control devices generating manual-guidance signals for actuators of the vehicle, said devices including a hydraulic steering system, a control module (1) including an automatic-control submodule generating autonomous-guidance signals intended for one or more actuators of the vehicle, depending on setpoint signals, a switching module (2) designed to select one or more manual guidance signals and/or one or more autonomous-guidance signals, and an electrohydraulic valve enabling the conversion of a guidance signal stemming from the automatic-control module into a signal intended for the hydraulic steering system The system includes, in addition, a servo controller of the electrohydraulic valve, comprising a proportional-integral controller, an on/off controller and means for activation of one or other of the PI and ON/OFF controllers, depending on a speed threshold of the lift truck.


    Access

    Download


    Export, share and cite



    Title :

    SYSTEME DE COMMANDE D'UN CHARIOT ELEVATEUR A FOURCHE AUTONOME, ET PROCEDE DE PILOTAGE D'UN TEL CHARIOT


    Additional title:

    SYSTEM FOR CONTROLLING AN AUTONOMOUS FORKLIFT TRUCK, AND METHOD FOR CONTROLLING SUCH A TRUCK
    SYSTEM ZUR STEUERUNG EINES AUTONOMEN GABELSTAPLERS UND VERFAHREN ZUM STEUERN EINES SOLCHEN GABELSTAPLERS


    Contributors:
    MODOLO IVAN (author)

    Publication date :

    2024-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / 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 / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen





    SYSTÈME DE COMMANDE D'UN CHARIOT ÉLÉVATEUR À FOURCHE À PLUSIEURS MODES DE FONCTIONNEMENT

    NUNES ESPIRITO SANTO RUBEN ANDRÉ | European Patent Office | 2023

    Free access

    SYSTEME DE COMMANDE D'UN CHARIOT ELEVATEUR A FOURCHE A PLUSIEURS MODES DE FONCTIONNEMENT

    NUNES ESPIRITO SANTO RUBEN ANDRE | European Patent Office | 2019

    Free access

    SYSTÈME DE COMMANDE D'UN CHARIOT ÉLÉVATEUR A FOURCHE A PLUSIEURS MODES DE FONCTIONNEMENT

    NUNES ESPIRITO SANTO RUBEN ANDRÉ | European Patent Office | 2019

    Free access