Locator, accuracy evaluation system therefor, and positioning method

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United States of America Patent

PATENT NO 11874384
SERIAL NO

17601308

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Abstract

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In a locator, a data synchronization unit calculates an interpolated value for autonomous sensor data which corresponds to a time of latest GNSS data. A complex positioning unit performs complex positioning using the latest GNSS data and the interpolated value for the autonomous sensor data. An autonomous navigation positioning unit performs first autonomous navigation positioning using the interpolated value for the autonomous sensor data, and performs second autonomous navigation positioning using latest autonomous sensor data. A modified amount calculator calculates a modified amount of autonomous navigation positioning, based on a difference between a result of the complex positioning and a result of the first autonomous navigation positioning. An autonomous navigation positioning fix modification unit modifies a result of the second autonomous navigation positioning using the modified amount to calculate a current position.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATION7-3 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1008310 ?1008310

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Masatoshi Tokyo, JP 19 203
Fujimoto, Kohei Tokyo, JP 10 74
Ishigami, Tadatomi Tokyo, JP 15 232
Kido, Masashi Tokyo, JP 5 59
Kinoshita, Ryusuke Tokyo, JP 11 94

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