IP Library › Granted Patent US 11,718,978
Granted Patent B2
US 11,718,978 · App. 16/615,987 · Granted Aug 8, 2023

Work machine system and control method

Inventors: Yuki Shimano (Tokyo, JP); Tomohiro Nakagawa (Tokyo, JP)
Assignee: KOMATSU LTD.
E02F9/264E02F3/32E02F3/38
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Quick Facts
Patent No.
US 11,718,978
App. No.
16/615,987
Granted
Aug 8, 2023
Kind
B2
Abstract

A system includes a work machine having a work implement including a bucket, and a server capable of communicating with the work machine. The work machine transmits an identification number associated with the work machine to the server. The server obtains basic data based on the identification information and used for calculating the position of teeth of the bucket. The server transmits the obtained basic data to the work machine.

Claims (35)

1. A work machine system comprising:

a work machine having a work implement including a bucket; and

a server that communicates with the work machine,

wherein the work machine transmits identification information associated with the work machine to the server,

wherein the server including at least one processor and a memory, the at least one processor executes a program stored in the memory, the program, when executed by the at least one processor, performs a method comprising:

obtaining, based on the transmitted identification information, basic data used for calculating a position of teeth of the bucket, the basic data is a dimension obtained based on manufacturing data of a component included in the work implement, and

transmitting the obtained basic data to the work machine, and

wherein the work machine, performs a method comprising:

receiving the basic data from the server,

calculating positional information of the teeth of the bucket based on the received basic data, and controlling operation of the work implement to prevent damage a design surface when the calculated positional information of the teeth are determined to reach the design surface, wherein when a controller determines that the teeth has reached the design surface, the controller automatically stops the work implement or moves the teeth of the bucket along the design surface via an assistive function.

2. The work machine system according to claim 1 ,

wherein the server further includes a storage unit that associates first basic data and second basic data with the identification information, and stores the first basic data and the second basic data as the basic data, and

wherein the program, when executed by the at least one processor, performs the method further comprising:

obtaining the first basic data and the second basic data from the storage unit based on the transmitted identification information.

3. The work machine system according to claim 2 , wherein the storage unit associates a first dimension obtained based on manufacturing data of a first component included in the work implement with the identification information, stores the first dimension as the first basic data, associates a second dimension obtained based on manufacturing data of a second component included in the work implement with the identification information, and store the second dimension as the second basic data.

4. The work machine system according to claim 3 , wherein

the work implement further includes a boom as the first component, and

the manufacturing data is machining data obtained when machining the boom.

5. The work machine system according to claim 3 , wherein

the work implement further includes a dipper stick as the first component, and

the manufacturing data is machining data obtained when machining the dipper stick.

6. The work machine system according to claim 1 , wherein

the work implement further includes a dipper stick and a bucket pin that connects the bucket to the dipper stick, and

the basic data is a dimension between the teeth of the work implement and the bucket pin.

7. The work machine system according to claim 1 , wherein

the work machine further includes a receiving antenna for a global positioning satellite system,

the work implement further includes a boom, and a foot pin attaching the boom to a vehicular body, and

the basic data is a dimension representing a dimension between the receiving antenna and the foot pin.

8. The work machine system according to claim 1 , wherein the work machine previously stores the identification information, and when the work machine receives a predetermined operation, the work machine transmits the identification information to the server.

9. The work machine system according to claim 1 , wherein the identification information is a machine number of the work machine.

10. A method for controlling a server capable of communicating with a work machine having a work implement including a bucket, comprising:

receiving, at the transmitting, to a server from the work machine, identification information associated with the work machine; obtaining, by machine, wherein the server, based on the received transmitted identification information, obtains basic data used for calculating a position of teeth of the bucket, and the basic data is a dimension obtained based on manufacturing data of a component included in the work implement;

transmitting receiving, at the work machine from the server, the obtained basic data to the work machine data;

calculating positional information of the teeth of the bucket based on the received basic data; and

controlling operation of the work implement to prevent damage a design surface when the calculated positional information of the teeth are determined to reach the design surface, wherein when a controller determines that the teeth has reached the design surface, the controller automatically stops the work implement or moves the teeth of the bucket along the design surface via an assistive function.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 22, 2019
From: SHIMANO, YUKI; NAKAGAWA, TOMOHIRO
To: KOMATSU LTD.
Reel/Frame 051087/0123 →
Priority Claims (1)
JP 2017-138353 · Jul 14, 2017 · national
Continuity (1)
Related Publication 20200080287A1 · Mar 12, 2020
Cited By (1)
US 12,306,031