JP6773210B2 - 走行支援方法及び運転制御装置 - Google Patents
走行支援方法及び運転制御装置 Download PDFInfo
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- JP6773210B2 JP6773210B2 JP2019504173A JP2019504173A JP6773210B2 JP 6773210 B2 JP6773210 B2 JP 6773210B2 JP 2019504173 A JP2019504173 A JP 2019504173A JP 2019504173 A JP2019504173 A JP 2019504173A JP 6773210 B2 JP6773210 B2 JP 6773210B2
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Description
図1は、本実施形態に係る運転制御装置を含む運転制御システムの構成を示すブロック図である。図1に示すように、本実施形態に係る運転制御システム100は、運転制御装置1と、走行状態検出部3と、走行環境検出部5と、運転切替スイッチ7と、制御状態呈示部9とを備えている。さらに、運転制御システム100は、車両に搭載されたアクチュエータ11に接続されている。
次に、本実施形態に係る運転制御装置1による走行特性学習処理の手順を図2のフローチャートを参照して説明する。図2に示す走行特性学習処理は、車両のイグニッションがオンされると開始する。
[数1]
Db=(c0+c1x1+c2x2+c3x3+c4x4+c5x5+c6x6)Vb2+dVb (1)
式(1)において、Vbは減速開始速度、Dbはモデルから計算された制動距離である。x1〜x6は環境要因であり、c0〜c6、dは学習によって得られた係数である。このように式(1)に示す重回帰モデルは、環境要因によって車両が交差点で停止する場合の制動距離が変動することを示している。
[数2]
Db=Vb2/2a+dVb (2)
[数3]
a=1/2(c0+c1x1+c2x2+c3x3+c4x4+c5x5+c6x6) (3)
式(2)、(3)において、aは平均減速度(m/s2)、式(1)、(2)において、dはTTI(Time to intersection:制動開始時の速度でそのまま進むと仮定した場合の交差点までの到達時間)を示す。
次に、本実施形態に係る運転制御装置1による自動運転制御処理の手順を図13のフローチャートを参照して説明する。
以上詳細に説明したように、本実施形態に係る走行支援方法では、運転者による手動運転と自動運転とを切り替え可能な車両において、車両の前方の先行車が不在のときの制動距離を優先して学習する。これにより、先行車の減速に依存してしまう状況で制動距離を学習することがなくなり、運転者の感覚を捉えた制動距離を精度よく学習することができる。
3 走行状態検出部
5 走行環境検出部
7 運転切替スイッチ
9 制御状態呈示部
11 アクチュエータ
21 学習用データ記憶部
23 走行特性学習部
25 自動運転制御実行部
100 運転制御システム
Claims (24)
- 運転者による手動運転と自動運転とを切り替え可能な車両において、運転者の手動運転中における交差点で停止する場合の制動距離を学習し、この学習結果を交差点で停止する場合の自動運転の走行特性に適用する運転制御装置の走行支援方法であって、
前記車両の前方の先行車が不在か否か判定し、
不在と判定した場合に、前記車両の前方の先行車が不在のときの制動距離を学習することを特徴とする走行支援方法。 - 前記車両の前方の先行車を検出し、前記車両と前記先行車との間の車間距離が所定値以上である場合に、制動距離を学習することを特徴とする請求項1に記載の走行支援方法。
- 前記車両の前方の先行車が不在のときの制動距離のみを学習することを特徴とする請求項1に記載の走行支援方法。
- 前記車両の前方の先行車が不在のときに前記車両が交差点で停止する場合の減速開始速度と、前記車両の前方の先行車が不在のときに前記車両が交差点で停止する場合の制動距離とを使用して学習することを特徴とする請求項1に記載の走行支援方法。
- 前記車両の前方の先行車が不在のときに前記車両が交差点で停止する場合の減速開始速度と、前記車両の前方の先行車が不在のときに前記車両が交差点で停止する場合の制動距離との関係を学習することを特徴とする請求項1または2に記載の走行支援方法。
- ブレーキペダルの操作、アクセルペダルの操作、前記車両の減速度のうちの少なくとも1つから前記車両の減速開始を検出することを特徴とする請求項1〜5のいずれか1項に記載の走行支援方法。
- 前記車両の速度が所定値以下となる場合に前記車両の停止を検出することを特徴とする請求項1〜6のいずれか1項に記載の走行支援方法。
- 前記車両の減速開始から交差点の停止線までの距離を、前記制動距離とすることを特徴とする請求項1〜7のいずれか1項に記載の走行支援方法。
- 前記車両の前方の先行車が未検出である場合と、前記車両と先行車との間の車間距離が所定値以上である場合に、先行車が不在であると判断することを特徴とする請求項1〜8のいずれか1項に記載の走行支援方法。
- 前記車両が交差点で停止するときに最大減速度が所定値以上となる制動距離を使用しないことを特徴とする請求項1〜9のいずれか1項に記載の走行支援方法。
- 前記車両が交差点で停止するときに減速開始速度が所定値以下となる制動距離を使用しないことを特徴とする請求項1〜10のいずれか1項に記載の走行支援方法。
- 前記車両が走行している環境と前記制動距離を対応させて学習することを特徴とする請求項1〜11のいずれか1項に記載の走行支援方法。
- 前記車両が走行している環境は、前記車両が走行する道路の車線数、道路曲率、制限速度、道路勾配、一時停止規制の有無または信号機の表示状態、前記車両の方向指示器の表示状態、前記車両の周辺の天候、気温または照度のうちの少なくとも1つであることを特徴とする請求項12に記載の走行支援方法。
- 前記学習結果を自動運転の走行特性に適用する場合において、
前記車両が下り坂を走行しているか否かを判定し、
前記車両が下り坂を走行している場合には、上り坂を走行している場合より、前記制動距離が長くなるように走行特性を設定することを特徴とする請求項1〜13のいずれか1項に記載の走行支援方法。 - 前記学習結果を自動運転の走行特性に適用する場合において、
前記車両が右左折するか否かを判定し、
前記車両が右左折する場合には、右左折しない場合より、前記制動距離が長くなるように走行特性を設定することを特徴とする請求項1〜14のいずれか1項に記載の走行支援方法。 - 前記学習結果を自動運転の走行特性に適用する場合において、
前記車両の前方の信号機が赤信号であるか否かを判定し、
前記車両の前方の信号機が赤信号である場合には、赤信号以外の場合より、前記制動距離が長くなるように走行特性を設定することを特徴とする請求項1〜15のいずれか1項に記載の走行支援方法。 - 前記学習結果を自動運転の走行特性に適用する場合において、
前記車両が走行している道路がカーブしているか否かを判定し、
前記車両が走行している道路がカーブしている場合には、カーブしていない場合より、前記制動距離が長くなるように走行特性を設定することを特徴とする請求項1〜16のいずれか1項に記載の走行支援方法。 - 前記学習結果を自動運転の走行特性に適用する場合において、
前記車両が夜間を走行しているか否かを判定し、
前記車両が夜間を走行している場合には、夜間でない場合より、前記制動距離が長くなるように走行特性を設定することを特徴とする請求項1〜17のいずれか1項に記載の走行支援方法。 - 前記学習結果を自動運転の走行特性に適用する場合において、
前記車両の周辺の天候が悪天候であるか否かを判定し、
前記車両の周辺の天候が悪天候である場合には、悪天候でない場合より、前記制動距離が長くなるように走行特性を設定することを特徴とする請求項1〜18のいずれか1項に記載の走行支援方法。 - 前記学習結果を自動運転の走行特性に適用する場合において、
前記車両が走行している道路の制限速度が所定値以上であるか否かを判定し、
前記車両が走行している道路の制限速度が所定値以上である場合には、前記制限速度が所定値より低い場合より、前記制動距離が長くなるように走行特性を設定することを特徴とする請求項1〜19のいずれか1項に記載の走行支援方法。 - 前記制動距離の学習結果に基づいて、運転者の運転スタイルを判定することを特徴とする請求項1〜20のいずれか1項に記載の走行支援方法。
- 前記車両の外部に外部サーバを備え、前記外部サーバで前記制動距離を学習することを特徴とする請求項1〜21のいずれか1項に記載の走行支援方法。
- 前記制動距離の学習結果を、前記車両の自動運転時の制動距離に適用することを特徴とする請求項1〜22のいずれか1項に記載の走行支援方法。
- 運転者による手動運転と自動運転とを切り替え可能な車両において、運転者の手動運転中における交差点で停止する場合の制動距離を学習し、この学習結果を交差点で停止する場合の自動運転の走行特性に適用する運転制御装置であって、
前記車両の前方の先行車が不在か否か判定し、
不在と判定した場合に、前記車両の前方の先行車が不在のときの制動距離を学習することを特徴とする運転制御装置。
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| JP6524144B2 (ja) * | 2017-06-02 | 2019-06-05 | 本田技研工業株式会社 | 車両制御システム及び方法、並びに走行支援サーバ |
| KR102286352B1 (ko) * | 2017-08-11 | 2021-08-05 | 현대모비스 주식회사 | 전방 충돌 방지보조 시스템의 제어 장치 및 방법 |
| JP7120534B2 (ja) * | 2018-01-26 | 2022-08-17 | 株式会社デンソーテン | 運転支援装置、及び運転特性の学習方法 |
| US10962973B2 (en) * | 2018-01-30 | 2021-03-30 | Uatc, Llc | Autonomous vehicle safe stop |
| WO2020069517A2 (en) * | 2018-09-30 | 2020-04-02 | Strong Force Intellectual Capital, Llc | Intelligent transportation systems |
| JP6964060B2 (ja) * | 2018-11-20 | 2021-11-10 | 本田技研工業株式会社 | 車両制御システム |
| JP7136720B2 (ja) * | 2019-02-27 | 2022-09-13 | トヨタ自動車株式会社 | 評価装置 |
| CN110069064B (zh) * | 2019-03-19 | 2021-01-29 | 驭势科技(北京)有限公司 | 一种自动驾驶系统升级的方法、自动驾驶系统及车载设备 |
| CN110058588B (zh) * | 2019-03-19 | 2021-07-02 | 驭势科技(北京)有限公司 | 一种自动驾驶系统升级的方法、自动驾驶系统及车载设备 |
| US11620907B2 (en) * | 2019-04-29 | 2023-04-04 | Qualcomm Incorporated | Method and apparatus for vehicle maneuver planning and messaging |
| JP7238684B2 (ja) * | 2019-08-13 | 2023-03-14 | トヨタ自動車株式会社 | 冠水検知装置、冠水検知システム、及び冠水検知プログラム |
| JP6896179B1 (ja) * | 2020-02-10 | 2021-06-30 | 三菱電機株式会社 | 制御装置及び学習装置 |
| KR102952017B1 (ko) * | 2020-07-06 | 2026-04-13 | 현대모비스 주식회사 | 차량의 군집 주행 제어 시스템 및 방법 |
| CN112141102B (zh) * | 2020-09-24 | 2022-02-15 | 阿波罗智能技术(北京)有限公司 | 巡航控制方法、装置、设备、车辆和介质 |
| CN112158199B (zh) * | 2020-09-25 | 2022-03-18 | 阿波罗智能技术(北京)有限公司 | 巡航控制方法、装置、设备、车辆及介质 |
| KR20220089730A (ko) * | 2020-12-21 | 2022-06-29 | 주식회사 시로코 | 차량 제어 장치 |
| JP7525427B2 (ja) * | 2021-03-23 | 2024-07-30 | トヨタ自動車株式会社 | 車両制御装置 |
| CN113428164B (zh) * | 2021-07-21 | 2023-01-03 | 上汽通用五菱汽车股份有限公司 | 驾驶习惯学习方法、装置及计算机可读存储介质 |
| KR102587598B1 (ko) * | 2021-08-27 | 2023-10-13 | 포티투닷 주식회사 | 운전자의 상황별 운전 스타일에 기초한 차량의 자율 운행 제어 방법 및 장치 |
| JP7803058B2 (ja) * | 2021-09-02 | 2026-01-21 | 株式会社アドヴィックス | 車両の制動制御装置 |
| JP2023066937A (ja) * | 2021-10-29 | 2023-05-16 | 株式会社アドヴィックス | 車両用制御装置 |
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| JP7632382B2 (ja) | 2022-05-10 | 2025-02-19 | トヨタ自動車株式会社 | 車両の制御装置 |
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