Title:
POSITIONING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/049540
Kind Code:
A1
Abstract:
Provided is a positioning system for obtaining mobile station positioning information which indicates the current location of a mobile station, by using positioning signals received from a positioning satellite by a reference station installed in a fixed location and also by a mobile station installed in a moving machine, the positioning system being capable of ensuring the accuracy of the positioning executed on the mobile station side, and preventing trouble from occurring during the automatic travel of the moving machine which uses the mobile station positioning information obtained from the mobile station-side positioning. The positioning system is equipped with a reference station positioning means 43 for obtaining reference station positioning information indicating the current location of the reference station 4, by performing single-point positioning based on a positioning signal received from a positioning satellite by the reference station 4, and a determination means 46 which compares the reference station positioning information obtained by the single-point positioning by the reference station positioning means 43 with reference station installation location information registered by a reference station registration means 44, and executes determination processing for determining whether or not an incorrectly registered state is present, in which the reference station installation location information registered by the reference station registration means 44 is incorrect.
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Inventors:
KUSUNO JUNYA (JP)
TERAKAWA TAKASHI (JP)
USUI KAZUYA (JP)
TERAKAWA TAKASHI (JP)
USUI KAZUYA (JP)
Application Number:
PCT/JP2018/027856
Publication Date:
March 14, 2019
Filing Date:
July 25, 2018
Export Citation:
Assignee:
YANMAR CO LTD (JP)
International Classes:
G01S19/10; G01C21/28; G01S19/41; G01S19/53; G08G1/00
Domestic Patent References:
WO2014132618A1 | 2014-09-04 |
Foreign References:
JP2003219448A | 2003-07-31 | |||
JP2005006319A | 2005-01-06 | |||
JP2005049147A | 2005-02-24 | |||
JP2007518103A | 2007-07-05 | |||
JPH08327360A | 1996-12-13 | |||
JP2006322753A | 2006-11-30 | |||
JP2015169503A | 2015-09-28 | |||
JP2004144622A | 2004-05-20 |
Attorney, Agent or Firm:
MIYAJI Masahiro (JP)
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