JPWO2013121961A1 - 走行制御装置及び走行制御方法 - Google Patents
走行制御装置及び走行制御方法 Download PDFInfo
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- Remote Sensing (AREA)
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- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Human Computer Interaction (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
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Abstract
Description
図1を参照して、実施の形態に係わる走行制御装置の車両レイアウト例について説明する。車両1(以後、「自車」という)には、ブレーキランプ4a、4b、エンジンやモータを含む駆動力発生装置の始動及び停止を指示するイグニッションスイッチ18、自車1の前方PDに接近する障害物を検出する前方障害物検出センサ13a〜13d、19e、自車1の後方に接近する障害物を検出する後方障害物検出センサ13e〜13h、自車1の側方に接近する障害物を検出する側方障害物検出センサ19a〜19d、自車の駆動力を発生する駆動力発生装置36、制動力発生装置27、アクセルペダル操作反力発生装置30、ドライバに対して障害物の接近を報知する報知装置33と、自車1全体を制御する車両制御装置2とが搭載されている。
A02 制動用第2リスク(距離値)>側方センサ検出距離
A03 制動用第2リスク(接近時間)>側方センサ接近時間
A05 APD用第2リスク(距離値)>側方センサ検出距離
A06 APD用第2リスク(接近時間)>側方センサ接近時間
A08 警報用第2リスク(距離値)>側方センサ検出距離
A09 警報用第2リスク(接近時間)>側方センサ接近時間
A11 駆動力用第2リスク(距離値)>側方センサ検出距離
A12 駆動力用第2リスク(接近時間)>側方センサ接近時間
以上説明した構成を有する走行制御装置の制御部は、自車1が後退する際、以下に示す走行制御処理を実行することにより、側方障害物検出センサ19cが検出した障害物について、適切な警告タイミングで警告を行うことができる。以下、図6に示すフローチャートを参照して、走行制御処理を実行する際の走行制御装置の動作について説明する。
19a〜19d…側方障害物検出センサ(側方障害物検出部)
25…制動制御判断部(警告制御部)
26…制動制御部(警告制御部)
27…制動力発生装置(警告部)
28…アクセルペダル操作反力判断部(警告制御部)
29…アクセルペダル操作反力制御部(警告制御部)
30…アクセルペダル操作反力発生装置(警告部)
31…報知判断部(警告制御部)
32…報知制御部(警告制御部)
33…報知装置(警告部)
34…駆動力制御判断部(警告制御部)
35…駆動力制御部(警告制御部)
36…駆動力発生装置(警告部)
38…相対速度推定部
47…補正判断部(しきい値制御部)
61…車両(障害物)
KR1〜KR7…検出角度領域
α2…第2の角度範囲(角度範囲)
Claims (6)
- 自車の側方から後方までの範囲を複数の検出角度領域に分割し、前記複数の検出角度領域に進入する障害物及び前記障害物との距離を、検出角度領域毎に検出する側方障害物検出部と、
前記自車が後方へ移動する準備を検出する後方移動準備検出部と、
前記側方障害物検出部が検出した障害物について警告を行う警告部と、
前記側方障害物検出部が検出した障害物との距離が、前記警告の作動しきい値以下である場合に前記警告を行うように前記警告部を制御する警告制御部と、
前記自車が後方へ移動する準備を前記後方移動準備検出部が検出し、且つ、前記複数の検出角度領域のうち後方側の一部である所定の検出角度領域で、その他の検出角度領域よりも先に、前記障害物を検出した場合に、その他の検出角度領域で先に前記障害物を検出した場合に比べて前記警告の時期が早まるように前記作動しきい値を上げるしきい値制御部と、
を有することを特徴とする走行制御装置。 - 前記所定の検出角度領域は、前記側方障害物検出部から自車の後方へ伸びる半直線を前記側方障害物検出部を中心として自車の側方へ所定のオフセット角度だけオフセットさせた境界線から自車の側方へ向かう角度範囲に位置することを特徴とする請求項1に記載の走行制御装置。
- 前記所定の検出角度領域において前記障害物を検出し始めてから前記障害物が自車へ接近した距離が第1の接近しきい値を超えた場合に限り、前記しきい値制御は、前記警告の時期が早まるように前記作動しきい値を補正することを特徴とする請求項1又は2のいずれか一項に記載の走行制御装置。
- 前記側方障害物検出部が検出した前記障害物との距離から前記障害物との相対速度を推定する相対速度推定部を更に備え、
前記しきい値制御部は、前記障害物との相対速度が速くなるに従って前記警告の時期が早まるように前記作動しきい値を補正する
ことを特徴とする請求項1〜3のいずれか一項に記載の走行制御装置。 - 前記その他の検出角度領域において前記障害物を検出した場合、或いは、前記所定の検出角度領域において前記障害物を検出し始めてから前記障害物が自車へ接近した距離が、第2の接近しきい値を下回った場合、前記作動しきい値の補正を解除することを特徴とする請求項1〜4のいずれか一項に記載の走行制御装置。
- 自車の側方から後方までの範囲を複数の検出角度領域に分割し、前記複数の検出角度領域に進入する障害物及び前記障害物との距離を、検出角度領域毎に検出する側方障害物検出部と、
前記自車が後方へ移動する準備を検出する後方移動準備検出部と、
前記側方障害物検出部が検出した障害物について警告を行う警告部と、を備える走行制御装置を用いた走行制御方法であって、
前記側方障害物検出部が検出した障害物との距離が、前記警告の作動しきい値以下である場合に前記警告を行うように前記警告部を制御し、
前記自車が後方へ移動する準備を前記後方移動準備検出部が検出し、且つ、前記複数の検出角度領域のうち後方側の一部である所定の検出角度領域で、その他の検出角度領域よりも先に、前記障害物を検出した場合に、その他の検出角度領域で先に前記障害物を検出した場合に比べて前記警告の時期が早まるように前記作動しきい値を上げる
ことを特徴とする走行制御方法。
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