Title:
WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/183988
Kind Code:
A1
Abstract:
An upper limit of a target steering torque of a steering motor is set to a predetermined value P1 that is smaller than a torque which can be generated when a passenger operates a steering wheel, and a controller, when an operation mode of a dump truck is an automatic operation mode, calculates a deviation distance d1 from a traveling route of the dump truck stored in advance on the basis of a position of a vehicle calculated by a GPS receiver and the traveling route, and when the deviation distance is equal to or larger than a predetermined threshold K1, switches the operation mode of the dump truck to a manual operation mode.
Inventors:
TETSUKA DAIKI (JP)
Application Number:
PCT/JP2020/004176
Publication Date:
September 17, 2020
Filing Date:
February 04, 2020
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
B62D6/00
Domestic Patent References:
| WO2017199751A1 | 2017-11-23 |
Foreign References:
| JP2017019436A | 2017-01-26 | |||
| JP2017117489A | 2017-06-29 | |||
| JP2002019632A | 2002-01-23 | |||
| JP2011168194A | 2011-09-01 |
Attorney, Agent or Firm:
KAICHI IP (JP)
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