公开(公告)号：US20230143733A1

公开(公告)日：2023-05-11

申请号：US17918372

申请日：2021-04-02

Applicant: Komatsu Ltd.

Inventor： Yoshiyuki Onishi ,  Mitsuhiro Aoki ,  Masahiro Kurihara ,  Kenjiro Shimada ,  Toyohito Uchizono

IPC: E02F9/26 ,  E02F9/20

CPC classification number: E02F9/262 ,  E02F9/265 ,  E02F9/205

Abstract: In a construction method using an excavator that is controlled by manual operation, and an excavator that includes an automatic working-equipment control unit automatically controlling second working equipment on the basis of at least one of a current terrain and a designed terrain of a construction range in a construction site, and a tooth-edge position of the second working equipment, a progress rate that indicates a volume of soil having been excavated by the excavator to a target volume of soil to be excavated by the excavator in the construction range is calculated, and when the progress rate is equal to or larger than a threshold, the excavator stops construction of the construction range, and the excavator takes over the construction of the construction range, from the excavator.