Title:
WORK MACHINE AND CONTROL DEVICE FOR WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/124319
Kind Code:
A1
Abstract:
Provided are: a work machine that calculates the weight of a load with high accuracy; and a control device for a work machine. This work machine has: an attachment that has at least a boom, an arm attached to the tip of the boom, and an end attachment attached to the tip of the arm and that is attached to an upper rotary body; and a control device. The control device complements torque for rotating the boom on the basis of the centrifugal force of the arm and/or the inertial force of the arm, and calculates the weight of a conveyance object conveyed by the attachment, on the basis of the complemented torque.
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Inventors:
YAMAMOTO YASUHIRO (JP)
HIRANUMA KAZUNORI (JP)
HIRANUMA KAZUNORI (JP)
Application Number:
PCT/JP2021/045018
Publication Date:
June 16, 2022
Filing Date:
December 07, 2021
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
E02F9/20; E02F9/26; G01G19/08
Domestic Patent References:
| WO2018087834A1 | 2018-05-17 |
Foreign References:
| JP2011508187A | 2011-03-10 | |||
| JP2010089633A | 2010-04-22 | |||
| JP2002004337A | 2002-01-09 | |||
| JP2020202965A | 2020-12-24 | |||
| JP2021062374A | 2021-04-22 | |||
| JP2021062436A | 2021-04-22 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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