US 11,993,920 B2
Work machine control system
Naoki Uchida, Tokyo (JP); and Ryota Enomoto, Tokyo (JP)
Assigned to KOMATSU LTD., Tokyo (JP)
Appl. No. 17/421,765
Filed by KOMATSU LTD., Tokyo (JP)
PCT Filed Nov. 19, 2019, PCT No. PCT/JP2019/045234
§ 371(c)(1), (2) Date Jul. 9, 2021,
PCT Pub. No. WO2020/166158, PCT Pub. Date Aug. 20, 2020.
Claims priority of application No. 2019-025877 (JP), filed on Feb. 15, 2019.
Prior Publication US 2022/0090357 A1, Mar. 24, 2022
Int. Cl. F16H 59/04 (2006.01); E02F 9/20 (2006.01); E02F 9/22 (2006.01); F16H 61/02 (2006.01)
CPC E02F 9/2079 (2013.01) [E02F 9/2004 (2013.01); F16H 59/04 (2013.01); F16H 61/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A work machine control system comprising:
a base member;
an operation member operably attached to the base member, the operation member accepting an input operation to change a position relative to the base member, the operation member maintaining the relative position when there is no input operation accepted;
an operational input portion that provides an operation command in accordance with the position of the operation member relative to the base member;
an operational force providing portion that provides a plurality of different operational forces in correspondence with change of the relative position;
a transmission portion that changes a speed of rotation provided from a drive source and transmits resultant rotation to a drive wheel; and
a controller that instructs the transmission portion to change the speed of rotation in accordance with the operation command.