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Patent Searching and Data


Title:
MINE WORKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/159639
Kind Code:
A1
Abstract:
An obstacle determining device includes: a group-forming processing unit 121 which, if positions among a plurality of obstacle candidates detected by an outside-world recognition device 11 during a current cycle are within a pre-determined prescribed size threshold corresponding to a mine working machine, groups the plurality of obstacle candidates into the same group; a stationary/moving determining unit 122 which determines whether each obstacle candidate is a stationary body or a moving body on the basis of the relative speed of the obstacle candidate and the traveling speed of the host working machine; a continuous capturing processing unit 124 which determines whether an obstacle candidate determined to be a stationary body was also detected by the outside-world recognition device 11 during the previous cycle; and a non-obstacle determining unit 125 which, if the detected position of an obstacle candidate that has first been detected in the current cycle is at most equal to a non-obstacle determining distance threshold set on the basis of the maximum distance at which a reflected wave from an obstacle smaller than a working machine can be received, determines that the obstacle candidate is a non-obstacle; wherein obstacle candidates excluding non-obstacles are output as obstacles.

Inventors:
UOTSU Shinichi (Hitachi Construction Machinery Co. Ltd., 650, Kandatsumachi, Tsuchiura-sh, Ibaraki 13, 〒3000013, JP)
Application Number:
JP2017/010045
Publication Date:
September 21, 2017
Filing Date:
March 13, 2017
Export Citation:
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Assignee:
HITACHI CONSTRUCTION MACHINERY CO., LTD. (16-1, Higashiueno 2-chome Taito-k, Tokyo 15, 〒1100015, JP)
International Classes:
G01S7/41; E21C47/00; G01S13/93; G08G1/16
Domestic Patent References:
WO2014167680A12014-10-16
WO2011130861A12011-10-27
Foreign References:
JP2016024685A2016-02-08
JP2015155883A2015-08-27
JP2014202709A2014-10-27
JP2009271086A2009-11-19
US20140233790A12014-08-21
Attorney, Agent or Firm:
THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE (UNIZO Nishishimbashi 3-chome Bldg, 13-3 Nishishimbashi 3-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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