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1. WO2021230367 - AXIAL DEVIATION ESTIMATING DEVICE

Publication Number WO/2021/230367
Publication Date 18.11.2021
International Application No. PCT/JP2021/018479
International Filing Date 14.05.2021
IPC
G01S 7/40 2006.1
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/, G01S15/, G01S17/127
02of systems according to group G01S13/58
40Means for monitoring or calibrating
G01S 13/931 2020.1
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
88Radar or analogous systems, specially adapted for specific applications
93for anti-collision purposes
931of land vehicles
CPC
G01S 13/931
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
88Radar or analogous systems specially adapted for specific applications
93for anti-collision purposes
931of land vehicles
G01S 7/40
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
02of systems according to group G01S13/00
40Means for monitoring or calibrating
Applicants
  • 株式会社デンソー DENSO CORPORATION [JP]/[JP]
Inventors
  • 堀田 浩之 HOTTA, Hiroyuki
  • 佐藤 公一 SATO, Koichi
  • 中谷 浩人 NAKATANI, Hiroto
  • 加藤 祐嗣 KATOU, Yuuji
Agents
  • 名古屋国際特許業務法人 NAGOYA INTERNATIONAL PATENT FIRM
Priority Data
2020-08597515.05.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) AXIAL DEVIATION ESTIMATING DEVICE
(FR) DISPOSITIF D'ESTIMATION D'ÉCART AXIAL
(JA) 軸ずれ推定装置
Abstract
(EN) An axial deviation estimating device (60) repeatedly detects an axial deviation angle on the basis of a result of detection performed by a radar device (1). The axial deviation estimating device extracts, from among a plurality of calculated axial deviation angles, an axial deviation angle that is included in a preset extraction angle range, and calculates the average value and the median value of the extracted plurality of axial deviation angles as an axial deviation angle average value and an axial deviation angle median value, respectively. The axial deviation estimating device determines, on the basis of the axial deviation angle average value and the axial deviation angle median value, whether a preset adoption condition is satisfied. When the axial deviation estimating device determines that the adoption condition is satisfied, the axial deviation estimating device adopts the calculated axial deviation angle average value as the axial deviation angle estimation result.
(FR) Dispositif d'estimation d'écart axial (60) détectant de manière répétée un angle d'écart axial sur la base d'un résultat de détection exécutée par un dispositif radar (1). Le dispositif d'estimation d'écart axial extrait, parmi une pluralité d'angles d'écart axial calculés, un angle d'écart axial qui est inclus dans une plage d'angles d'extraction prédéfinie, et calcule la valeur moyenne et la valeur médiane de la pluralité extraite d'angles d'écart axial en tant que valeur moyenne d'angle d'écart axial et valeur médiane d'angle d'écart axial, respectivement. Le dispositif d'estimation d'écart axial détermine, sur la base de la valeur moyenne d'angle d'écart axial et de la valeur médiane d'angle d'écart axial, si une condition d'adoption prédéfinie est satisfaite. Lorsque le dispositif d'estimation d'écart axial détermine que la condition d'adoption est satisfaite, le dispositif d'estimation d'écart axial adopte la valeur moyenne d'angle d'écart axial calculée en tant que résultat d'estimation d'angle d'écart axial.
(JA) 軸ずれ推定装置(60)は、レーダ装置(1)による検出結果に基づいて軸ずれ角度を繰り返し算出する。軸ずれ推定装置は、算出された複数の軸ずれ角度のうち、予め設定された抽出角度範囲に含まれる軸ずれ角度を抽出し、抽出された複数の軸ずれ角度の平均値および中央値をそれぞれ軸ずれ角度平均値および軸ずれ角度中央値として算出する。軸ずれ推定装置は、軸ずれ角度平均値と軸ずれ角度中央値とに基づいて、予め設定された採用条件が成立したか否かを判断する。軸ずれ推定装置は、採用条件が成立したと判断した場合に、算出された軸ずれ角度平均値を、軸ずれ角度の推定結果として採用する。
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