Title:
GYRO SENSOR CALIBRATION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/235188
Kind Code:
A1
Abstract:
This method, for calibrating a gyro sensor mounted to a vehicle (5) in order to measure an angular velocity generated in a rotational direction about a vertical axis, involves implementing: a lateral displacement detection process for detecting the amount of lateral displacement of the vehicle (5) with respect to magnetic markers (10U·D) embedded in a road; an azimuth estimation process which, when the vehicle (5) passes a location where two magnetic markers (10U·D) are embedded, estimates an azimuth of the vehicle (5) through an arithmetic process using, as an input value, the lateral displacement amount with respect to the two magnetic markers (10U·D); and a calibration process which calibrates the gyro sensor using the azimuth of the vehicle (5) estimated in the azimuth estimation process.
Inventors:
YAMAMOTO MICHIHARU (JP)
NAGAO TOMOHIKO (JP)
AOYAMA HITOSHI (JP)
NAGAO TOMOHIKO (JP)
AOYAMA HITOSHI (JP)
Application Number:
PCT/JP2019/019802
Publication Date:
December 12, 2019
Filing Date:
May 17, 2019
Export Citation:
Assignee:
AICHI STEEL CORP (JP)
International Classes:
G01C19/00; G01C21/28; G08G1/16
Domestic Patent References:
| WO2017209112A1 | 2017-12-07 |
Foreign References:
| JP2000028632A | 2000-01-28 | |||
| JP2014215232A | 2014-11-17 | |||
| JP2018036797A | 2018-03-08 | |||
| JP2016091412A | 2016-05-23 |
Other References:
See also references of EP 3805698A4
Attorney, Agent or Firm:
OIKE Tatsuya (JP)
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