{
  "$type": "site.standard.document",
  "description": "A dump truck control system is provided that can take an action in accordance with a travel position in a block section and can reduce the transmission amount of information. The present invention is configured by a dump truck 1 including a permission request unit 4d for requesting, while a vehicle…",
  "path": "/patents/933662",
  "publishedAt": "2016-12-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L1/003",
    "HITACHI CONSTRUCTION MACH CO [JP]"
  ],
  "textContent": "A dump truck control system is provided that can take an action in accordance with a travel position in a block section and can reduce the transmission amount of information. The present invention is configured by a dump truck 1 including a permission request unit 4d for requesting, while a vehicle body 1a travels in a predetermined block section S1 of a travel path on which the vehicle body 1a is to travel, a travel permission request signal for requesting a travel permission signal for permitting travel in a block section S2 located ahead of the block section S1 from an on-board wireless device 2b, and a calculation unit 4c for changing a frequency of requesting the travel permission signal by the permission request unit 4d in accordance with a remaining distance a to an emergency stop point E1 in the block section S1 located ahead of the vehicle body 1a in the case where it is determined from a travel position detected by a GPS device 2a that the dump truck 1 is traveling in the block section S1, and a control center 11 controlling travel of the dump truck 1.",
  "title": "WORK VEHICLE CONTROL SYSTEM"
}