{
  "$type": "site.standard.document",
  "description": "An unmanned vehicle is a vehicle that drives an electric motor by electric power generated in a power generator to travel by driving of the electric motor and includes a position sensor that detects a position of the unmanned vehicle a speed sensor that detects a speed of the unmanned vehicle and a…",
  "path": "/patents/1347742",
  "publishedAt": "2023-07-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60W20/19",
    "Hitachi Construction Machinery Co., Ltd."
  ],
  "textContent": "An unmanned vehicle is a vehicle that drives an electric motor by electric power generated in a power generator to travel by driving of the electric motor and includes a position sensor that detects a position of the unmanned vehicle a speed sensor that detects a speed of the unmanned vehicle and a vehicle control device that controls the unmanned vehicle The vehicle control device calculates a work progression of a loading operation to the unmanned vehicle by a loading machine or a work progression of a preceding vehicle based on the position of the unmanned vehicle detected by the position sensor and the speed of the unmanned vehicle detected by the speed sensor calculates a period from a predicted time at which the calculated work progression exceeds a predetermined proportion until a predicted time at which the unmanned vehicle starts acceleration as an acceleration preparation time, and drives the power generator to generate electricity during the calculated acceleration preparation time.",
  "title": "Hauling Vehicle and Vehicle Control System"
}