Title:
TRANSPORT VEHICLE AND VEHICLE CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/201827
Kind Code:
A1
Abstract:
An unmanned vehicle 20 drives an electric motor using power generated by a generator and travels using the drive force of the electric motor. The unmanned vehicle 20 comprises: a position sensor 240 that detects the position of the unmanned vehicle 20; a speed sensor 250 that detects the speed of the unmanned vehicle 20; and a vehicle control device 220 that controls the unmanned vehicle 20. The vehicle control device 220: calculates the progress of loading work by a loader 30 that loads the unmanned vehicle 20 or the progress of work by a preceding vehicle, on the basis of the position of the unmanned vehicle 20 detected by the position sensor 240 and the speed of the unmanned vehicle 20 detected by the speed sensor 250; calculates, as acceleration preparation time, the time from when the calculated work progress is predicted to exceed a prescribed ratio to when the unmanned vehicle 20 is predicted to start acceleration; and causes the generator to generate power during the calculated acceleration preparation time.
Inventors:
OBARA HIROKI (JP)
KANAI MASAKI (JP)
BANDO MIKIO (JP)
UOTSU SHINICHI (JP)
KANAI MASAKI (JP)
BANDO MIKIO (JP)
UOTSU SHINICHI (JP)
Application Number:
PCT/JP2022/002543
Publication Date:
September 29, 2022
Filing Date:
January 25, 2022
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
B60W20/19; B60W10/08; G05D1/02
Foreign References:
| JP2015094994A | 2015-05-18 | |||
| JP2017089505A | 2017-05-25 | |||
| JP2021053395A | 2021-04-08 | |||
| JP3891176B2 | 2007-03-14 |
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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