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Patent Searching and Data


Title:
DRIVER ASSISTANCE SYSTEM FOR EXCAVATOR AND METHOD FOR CONTROLLING EXCAVATOR BY USING SAME
Document Type and Number:
WIPO Patent Application WO/2021/230635
Kind Code:
A1
Abstract:
One embodiment of the present invention provides a technology for measuring the position of a bucket of an excavator by using a three-dimensional image, and by using the measured position, allowing a working path or working path of the bucket to be controlled by a system. A driver assistance system for an excavator, according to an embodiment of the present invention, comprises: a bucket positioning unit that is coupled to a main body and measures the position of a bucket point, which is an arbitrary point set on the bucket, and the posture of the bucket; a wearable unit that is worn on a part of the body of a driver located inside the excavator; a working position indicating unit that is coupled to one part of the wearable unit and indicates a working position by irradiating a laser to an excavation target; a working position imaging unit that is coupled to the other part of the wearable unit, acquires a terrain image, which is a three-dimensional image of the working position and surrounding terrain, and acquires a laser irradiation position by means of the working position indicating unit; and an integrated control unit that analyzes the indicated position of the working position indicating unit, the terrain image, the position of the bucket point, and the posture of the bucket, determines the working path of the bucket, and generates a control signal for movement of the bucket.

Inventors:
SHIN DAE YOUNG (KR)
HAHM YOUNG GOOK (KR)
Application Number:
PCT/KR2021/005908
Publication Date:
November 18, 2021
Filing Date:
May 11, 2021
Export Citation:
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Assignee:
KOREA INST IND TECH (KR)
International Classes:
E02F3/43; E02F9/26; G01C15/00
Foreign References:
US20030226290A12003-12-11
JP2006148842A2006-06-08
JP2000291076A2000-10-17
JP2013012193A2013-01-17
US20180178650A12018-06-28
Attorney, Agent or Firm:
HAN, Sang Soo (KR)
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