The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 17, 2018

Filed:

Oct. 30, 2015
Applicant:

Komatsu Ltd., Tokyo, JP;

Inventors:

Atsushi Sakai, Chigasaki, JP;

Mitsuhiro Ryuman, Hiratsuka, JP;

Masanori Tojima, Fujisawa, JP;

Akiharu Nishijima, Hiratsuka, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G 1/00 (2006.01); G01S 13/86 (2006.01); G01S 19/45 (2010.01); G01S 17/89 (2006.01); G01C 21/26 (2006.01); G01S 17/93 (2006.01); G01S 13/89 (2006.01); G01S 13/93 (2006.01); G08G 1/0968 (2006.01);
U.S. Cl.
CPC ...
G08G 1/00 (2013.01); G01C 21/26 (2013.01); G01S 13/86 (2013.01); G01S 13/89 (2013.01); G01S 13/93 (2013.01); G01S 13/931 (2013.01); G01S 17/89 (2013.01); G01S 17/93 (2013.01); G01S 17/936 (2013.01); G01S 19/45 (2013.01); G08G 1/096827 (2013.01); G08G 1/202 (2013.01); G08G 1/207 (2013.01);
Abstract

A construction machine control system for a construction machine that travels along a travel route, includes: a position detection unit that detects a position of the construction machine; a non-contact sensor that detects a position of an object around the construction machine; and a measurement output unit that detects a position of a vertical projection that protrudes vertically from a detection result of the position detection unit and a detection result of the non-contact sensor and stores the detected position of the vertical projection in a map information storage unit as map information, wherein the measurement output unit determines whether the construction machine is in a state that decreases accuracy of the map information, and when it is determined that the construction machine is in the state that decreases the accuracy of the map information, the measurement output unit stops storing the map information.


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