US 11,914,380 B2
System including conveyance vehicle and work machine that loads materials onto conveyance vehicle, method and work machine
Masanori Aizawa, Tokyo (JP); and Kenjiro Shimada, Tokyo (JP)
Assigned to KOMATSU LTD., Tokyo (JP)
Appl. No. 17/264,116
Filed by KOMATSU LTD., Tokyo (JP)
PCT Filed Sep. 18, 2019, PCT No. PCT/JP2019/036532
§ 371(c)(1), (2) Date Jan. 28, 2021,
PCT Pub. No. WO2020/075458, PCT Pub. Date Apr. 16, 2020.
Claims priority of application No. 2018-191789 (JP), filed on Oct. 10, 2018.
Prior Publication US 2021/0165414 A1, Jun. 3, 2021
Int. Cl. G05D 1/02 (2020.01); E02F 9/20 (2006.01); E02F 9/26 (2006.01); B60P 1/16 (2006.01); E02F 3/32 (2006.01); E02F 9/22 (2006.01); G05D 1/00 (2006.01)
CPC G05D 1/0214 (2013.01) [E02F 9/205 (2013.01); E02F 9/26 (2013.01); E02F 9/261 (2013.01); B60P 1/162 (2013.01); E02F 3/32 (2013.01); E02F 9/2235 (2013.01); E02F 9/2296 (2013.01); G05D 2201/0202 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A system comprising:
a conveyance vehicle; and
a work machine that loads materials onto the conveyance vehicle, the work machine including
a first position sensor configured to detect a position of the work machine, and
a first processor configured to
acquire data indicative of the position of the work machine detected by the first position sensor,
acquire data indicative of a target offset distance of the conveyance vehicle with respect to the work machine,
acquire data indicative of a direction of a loading position of the materials with respect to the work machine, and
determine a target stop position of the conveyance vehicle based on the position of the work machine, the target offset distance, and the direction of the loading position, and
the conveyance vehicle including
a communication device configured to communicate with the work machine,
a second position sensor configured to detect a position of the conveyance vehicle, and
a second processor configured to
acquire data indicative of the target stop position from the work machine,
acquire data indicative of the position of the conveyance vehicle detected by the second position sensor, and
control the conveyance vehicle to move the conveyance vehicle to the target stop position.