US 12,352,016 B2
Information obtaining system and information obtaining method
Naoto Saito, Tokyo (JP); Shunsuke Goto, Tokyo (JP); and Keisuke Tsuboi, Tokyo (JP)
Assigned to KOMATSU LTD., Tokyo (JP)
Appl. No. 18/008,251
Filed by KOMATSU LTD., Tokyo (JP)
PCT Filed Nov. 2, 2021, PCT No. PCT/JP2021/040359
§ 371(c)(1), (2) Date Dec. 5, 2022,
PCT Pub. No. WO2022/107589, PCT Pub. Date May 27, 2022.
Claims priority of application No. 2020-190726 (JP), filed on Nov. 17, 2020.
Prior Publication US 2023/0203791 A1, Jun. 29, 2023
Int. Cl. E02F 9/20 (2006.01); E02F 9/26 (2006.01)
CPC E02F 9/264 (2013.01) [E02F 9/261 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An information obtaining system comprising:
a work machine including a base portion and a movable portion movable relatively to the base portion;
a target portion attached to the movable portion;
a position measurement sensor that continuously measures positions of the target portion that moves with movement of the movable portion relative to the base portion; and
a processor that obtains three-dimensional information on the work machine based on a track of the target portion obtained by measurement, wherein
the movable portion includes a link mechanism in which a plurality of link members are rotatably connected relative to each other with a pin being interposed, and
the three-dimensional information includes information on a distance between a plurality of pins.