JP7576982B2 - 車両の走行制御方法及び走行制御装置 - Google Patents
車両の走行制御方法及び走行制御装置 Download PDFInfo
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- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
- B60W40/06—Road conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W60/00—Drive control systems specially adapted for autonomous road vehicles
- B60W60/001—Planning or execution of driving tasks
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- G—PHYSICS
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- G08G—TRAFFIC CONTROL SYSTEMS
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- B60W2552/00—Input parameters relating to infrastructure
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- B60W2552/00—Input parameters relating to infrastructure
- B60W2552/53—Road markings, e.g. lane marker or crosswalk
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- B60—VEHICLES IN GENERAL
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- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2555/00—Input parameters relating to exterior conditions, not covered by groups B60W2552/00, B60W2554/00
- B60W2555/60—Traffic rules, e.g. speed limits or right of way
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- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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Description
1…走行路境界取得部(高精度地図情報)
2…走行路境界取得部(LRF情報)
3…走行路境界取得部(レーダ情報)
4…走行路境界取得部(カメラ情報)
5…走行路境界取得部(AVM情報)
6…走行路境界統合部
7…道路環境認識部
8…横方向位置指令部
9…境界条件設定部
10…走行路幅演算部
101…ポテンシャル値演算部
102…等ポテンシャル線演算部
103…勾配演算部
11…走行経路演算部
111…境界条件補正部
112…ポテンシャル値演算部
113…等ポテンシャル線演算部
114…勾配演算部
12…走行経路追従制御部
V…自車両
R…道路
TA…走行路
TR…走行経路
EL…左側境界線
ER…右側境界線
P…ポテンシャル値
PF…ポテンシャル場
W…走行路幅
Claims (11)
- 自車両が走行可能な道路領域である走行路の、左側境界線に関する左側走行路境界情報と、右側境界線に関する右側走行路境界情報とを取得し、
前記左側走行路境界情報の左側境界線が第1ポテンシャル値、前記右側走行路境界情報の右側境界線が前記第1ポテンシャル値とは異なる第2ポテンシャル値になるポテンシャル場を走行路の空間内に生成し、
前記左側境界線もしくは右側境界線を基準として前記走行路内に、道路環境に応じて予め定められた走行経路の横方向位置と、前記ポテンシャル場における前記第1ポテンシャル値と前記第2ポテンシャル値との中間値となる位置から定められる前記走行路の中心線の横方向位置と、の差の絶対値が所定値以下となるように、前記第1ポテンシャル値及び/又は前記第2ポテンシャル値を補正し、
前記左側走行路境界情報の左側境界線が補正後の第1ポテンシャル値、前記右側走行路境界情報の右側境界線が補正後の第2ポテンシャル値になる、補正後のポテンシャル場を走行路の空間内に生成し、
生成された補正後のポテンシャル場におけるポテンシャル値の等ポテンシャル線にしたがって自車両が走行する走行経路を生成し、
生成された走行経路にしたがって、前記自車両の自動走行制御を実行する車両の走行制御方法。 - 前記左側走行路境界情報と前記右側走行路境界情報は、
自車両の現在位置情報と道路境界情報が定義された地図情報とから、自車両が走行可能な道路領域の水平面内における第1走行路境界情報を検出し、
自車両の周囲の物体及び道路状況を周囲情報として取得し、当該周囲情報から、自車両が走行可能な道路領域の水平面内における第2走行路境界情報を検出し、
前記第1走行路境界情報と前記第2走行路境界情報とを統合して統合走行路境界情報を生成し、
前記統合走行路境界情報を、左側走行路境界情報と右側走行路境界情報とに分離して取得する請求項1に記載の車両の走行制御方法。 - 前記予め定められた走行経路の横方向位置は、前記走行路の横方向の中心位置、前記走行路の右側境界線から左方向に第1所定距離の位置、又は前記走行路の左側境界線から右方向に第2所定距離の位置のいずれかである請求項1又は2に記載の車両の走行制御方法。
- 予め、自車両が走行する道路の環境情報と関連付けた走行経路の横方向位置を記憶し、
自車両が走行する道路の環境情報を取得し、記憶した横方向位置から、当該道路の環境情報に関連付けられた走行経路の横方向位置を抽出する請求項3に記載の車両の走行制御方法。 - 前記左側走行路境界情報及び前記右側走行路境界情報の走行方向における単位距離あたりの横方向変化の頻度をそれぞれ演算し、
前記左側走行路境界情報及び前記右側走行路境界情報のうち前記頻度が小さい方の走行路境界情報を基準にして、前記走行経路の横方向位置を抽出する請求項3に記載の車両の走行制御方法。 - 前記ポテンシャル場のポテンシャル値は、ラプラス方程式の近似解を用いる請求項1~5のいずれか一項に記載の車両の走行制御方法。
- 前記ポテンシャル場のポテンシャル値は、
前記左側走行路境界情報及び前記右側走行路境界情報を、それぞれ折線情報に変換し、
前記折線情報のそれぞれの線分の位置、方向及び長さにより規定される調和関数を基底関数とし、これらの線形結合の近似解を用いる請求項6に記載の車両の走行制御方法。 - 前記ポテンシャル場のポテンシャル値は、
対象とされる水平面を複素平面として走行路境界情報を複素数情報に変換し、
基底関数を複素正則関数とし、これらの線形結合の近似解としての複素ポテンシャルを用いる請求項7に記載の車両の走行制御方法。 - zを複素数変数としたときに、前記基底関数を、f(z)=ln(z1-z)+ln{(z1-z)/(z0-z)}(z0-z)/(z1-z0)とする請求項8に記載の車両の走行制御方法。
- 前記折線情報のそれぞれの線分の中点をディリクレ境界条件の適用場所として選点し、代用電荷法を適用して前記線形結合の係数を得る請求項7に記載の車両の走行制御方法。
- 自車両の走行経路を生成し、前記走行経路にしたがって、操舵装置、動力装置及び制動装置の少なくとも何れかを制御して自動走行制御を実行する車両の走行制御装置において、
前記走行制御装置は、
自車両が走行可能な道路領域である走行路の、左側境界線に関する左側走行路境界情報と、右側境界線に関する右側走行路境界情報とを取得し、
前記左側走行路境界情報の左側境界線が第1ポテンシャル値、前記右側走行路境界情報の右側境界線が前記第1ポテンシャル値とは異なる第2ポテンシャル値になるポテンシャル場を走行路の空間内に生成し、
前記左側境界線もしくは右側境界線を基準として前記走行路内に、道路環境に応じて予め定められた走行経路の横方向位置と、前記ポテンシャル場における前記第1ポテンシャル値と前記第2ポテンシャル値との中間値となる位置から定められる前記走行路の中心線の横方向位置と、の差の絶対値が所定値以下となるように、前記第1ポテンシャル値及び/又は前記第2ポテンシャル値を補正し、
前記左側走行路境界情報の左側境界線が補正後の第1ポテンシャル値、前記右側走行路境界情報の右側境界線が補正後の第2ポテンシャル値になる、補正後のポテンシャル場を走行路の空間内に生成し、
生成された補正後のポテンシャル場における等ポテンシャル線にしたがって自車両が走行する走行経路を生成し、
生成された走行経路にしたがって、前記自車両の自動走行制御を実行する車両の走行制御装置。
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| JP5463971B2 (ja) | 2010-03-10 | 2014-04-09 | 日産自動車株式会社 | 移動体走行経路生成装置 |
| CN102591332B (zh) * | 2011-01-13 | 2014-08-13 | 同济大学 | 用于无人驾驶汽车局部路径规划的装置及方法 |
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| RU2660977C2 (ru) * | 2016-11-30 | 2018-07-11 | Общество С Ограниченной Ответственностью "Инновационный Центр Самоцвет" (Ооо "Иц Самоцвет") | Способ обеспечения курсовой устойчивости и безопасности автомобиля и устройство для его осуществления |
| JPWO2018131090A1 (ja) * | 2017-01-11 | 2019-11-07 | 本田技研工業株式会社 | 車両制御装置、車両制御方法、および車両制御プログラム |
| CN107161143A (zh) * | 2017-05-18 | 2017-09-15 | 江苏大学 | 一种采用人工势场法的车辆主动避撞方法 |
-
2019
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- 2019-01-22 CN CN201980089561.4A patent/CN113508064B/zh active Active
- 2019-01-22 EP EP19910921.6A patent/EP3915849B1/en active Active
- 2019-01-22 RU RU2021121578A patent/RU2768692C1/ru active
- 2019-01-22 WO PCT/IB2019/000064 patent/WO2020152490A1/ja not_active Ceased
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|---|---|
| EP3915849A4 (en) | 2022-02-09 |
| CN113508064A (zh) | 2021-10-15 |
| RU2768692C1 (ru) | 2022-03-24 |
| JPWO2020152490A1 (ja) | 2020-07-30 |
| EP3915849B1 (en) | 2024-03-13 |
| US20220080964A1 (en) | 2022-03-17 |
| WO2020152490A1 (ja) | 2020-07-30 |
| EP3915849A1 (en) | 2021-12-01 |
| US11370426B2 (en) | 2022-06-28 |
| CN113508064B (zh) | 2022-09-16 |
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