Patent ID: 11941562
Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
Field: IT methods for management (Electrical engineering)
Classification: CPC B  G  E  Y | IPC G

Claim 3:
4. The operation analysis method according to claim 1, wherein
the open/close information includes an output value from a stroke sensor provided in a cylinder for opening/closing the crusher, and
the second step includes
a step of identifying, as all close time point data, all data at a time point when the output value exceeds a third threshold value, of the operation trajectory data, and identifying,
as all open time point data, all data at a time point when the output value falls below the third threshold value, and
a step of identifying the all close points from individual pieces of position information of the all close time point data, and identifying the all open points from individual pieces of position information of the all open time point data.