{
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  "description": "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 () including an automatic-control submodule generating autonomous-guidance signals intended for…",
  "path": "/patents/1260650",
  "publishedAt": "2020-04-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G05D1/0061",
    "COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN"
  ],
  "textContent": "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 () 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 () 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.",
  "title": "AUTONOMOUS FORKLIFT TRUCK CONTROL SYSTEM AND METHOD FOR DRIVNG THE FORKLIFT TRUCK"
}