Title:
ヨーレートセンサの補正装置
Document Type and Number:
Japanese Patent JP6717171
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a correction device of a yaw rate sensor, the correction device capable of more reliably prohibiting zero-point correction and/or zero-point drift abnormality determination of the yaw rate sensor when a vehicle is rotating together with a turn table.SOLUTION: A correction device extracts a plurality of targets commonly present in at least two images acquired at different times by image acquisition means, determines whether the number of targets moving while having a horizontal direction component in the same direction among the targets is a prescribed ratio or more of the total of the extracted plurality of targets, and prohibits at least one of correction of an output value of a yaw rate sensor and determination as to whether there is drift abnormality of the output value when it is determined that number of targets moving while having the horizontal direction component in the same direction is the prescribed ratio or more.SELECTED DRAWING: Figure 3
Inventors:
Yoshitomo Watanabe
Application Number:
JP2016225336A
Publication Date:
July 01, 2020
Filing Date:
November 18, 2016
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
G01P21/02; G01C21/06
Domestic Patent References:
| JP2011169728A | ||||
| JP2008196964A | ||||
| JP200864716A | ||||
| JP11148828A |
Foreign References:
| US20080249732 |
Attorney, Agent or Firm:
Patent business corporation Prospec patent office