Title:
WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/202027
Kind Code:
A1
Abstract:
A work vehicle 1 comprises a main controller 100 that controls travel driving force and work driving force. The main controller 100 comprises: a travel remaining time calculation unit 111 that calculates a remaining time until reaching a target rise/run distance as a travel remaining time tC; a work remaining time calculation unit 112 that calculates a remaining time until reaching a target arm angle as a work remaining time tI; a rise/run determination unit 113 that determines whether a rise/run is being performed; a correction factor setting unit 114 that sets a travel correction factor ηC for adjusting a travel driving torque and a work correction factor ηI for adjusting a work driving torque on the basis of the travel remaining time tC, the work remaining time tI, and a rise/run determination flag; and an engine torque distribution calculation unit 115 that calculates a travel driving torque command and a work driving torque command on the basis of the travel correction factor ηC and the work correction factor ηI.
Inventors:
YOSHIMURA MASATOSHI (JP)
KOBAYASHI HIROYUKI (JP)
KANEKO SATORU (JP)
ITOU NORITAKA (JP)
SEKINO SATOSHI (JP)
KOBAYASHI HIROYUKI (JP)
KANEKO SATORU (JP)
ITOU NORITAKA (JP)
SEKINO SATOSHI (JP)
Application Number:
PCT/JP2022/006765
Publication Date:
September 29, 2022
Filing Date:
February 18, 2022
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
E02F3/43; E02F9/22
Domestic Patent References:
| WO2019065122A1 | 2019-04-04 | |||
| WO2020065913A1 | 2020-04-02 | |||
| WO2015083753A1 | 2015-06-11 |
Foreign References:
| JP2019065576A | 2019-04-25 | |||
| JP2018053539A | 2018-04-05 | |||
| JP2021049604A | 2021-04-01 |
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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