JP2017140947A - 車両用ヘッドランプ配光制御装置及び方法 - Google Patents
車両用ヘッドランプ配光制御装置及び方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/10—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution
- B60Q1/115—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to vehicle inclination, e.g. due to load distribution by electric means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/13—Attitude of the vehicle body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/41—Indexing codes relating to other road users or special conditions preceding vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
- F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
- F21W2102/19—Arrangement or contour of the emitted light for regions other than high beam or low beam for curves
Abstract
【解決手段】周囲状況監視ECU40は、カメラ52によって撮影された車両の前方の撮影画像から消失点位置を検出し、検出した消失点位置に基づき撮影画像から求めた他車両位置を較正する。ヘッドランプ制御ECU16は、消失点位置が検出される迄の期間、ストロークセンサ58によって検知されたリアサスペンションの沈み込み量から、カメラ52の撮影光軸の変化に起因する最大誤差と、レベリング制御ECU56によるレベリング制御の最大誤差を求め、未較正の他車両位置から求まる上段配光LED群34の照明範囲の下側エッジの目標角度、撮影光軸の変化に起因する最大誤差及びレベリング制御の最大誤差に基づいて上段配光LED群34の点消灯を制御する。
【選択図】図1
Description
照明範囲下限角度←
目標角度(ガラス上端推定角度)+撮影光軸誤差+レベリング制御誤差
照明範囲下限角度←目標角度(ガラス上端推定角度)+レベリング制御誤差
16 ヘッドランプ制御ECU
26 沈み込み量−レベリング制御線マップ
28L,28R ヘッドランプユニット
32 AHSユニット
34 上段配光LED群
40 周囲状況監視ECU
52 カメラ
56 レベリング制御ECU
58 ストロークセンサ
80 撮影光軸
120 レベリング制御線
122 レベリング制御線
Claims (5)
- 撮影部によって撮影された車両の前方の画像から基準位置を検出する検出部と、
前記検出部によって前記基準位置が検出される迄の期間は、検知部によって検知された前記車両の傾き又は前記車両の傾きに関連する物理量に応じて前記車両のヘッドランプの配光を制御し、前記検出部によって前記基準位置が検出された後に、前記画像から得られる情報を検出された前記基準位置に応じて較正した情報に基づいて、前記ヘッドランプの配光を制御する制御部と、
を含む車両用ヘッドランプ配光制御装置。 - 前記ヘッドランプは、前記車両の前方に存在する他車両よりも上方を照明するための上方照明光源を含み、
前記制御部は、前記上方照明光源による照明範囲が前記他車両と重ならないように、前記上方照明光源の点消灯及び前記上方照明光源による照明範囲の変更の少なくとも一方を制御する請求項1記載の車両用ヘッドランプ配光制御装置。 - 前記検知部により、前記車両の傾きに関連する物理量として前記車両の後部の車高が検知され、
前記車両には、予め求められた車両の後部の車高と車両の傾きの上限値又は当該上限値から所定範囲内の値との関係に基づき、検知された前記車高に対応する前記上限値又は当該上限値から所定範囲内の値まで車両が傾いているとみなして前記ヘッドランプの光軸を制御するレベリング制御機構が搭載され、
前記制御部は、前記基準位置が検出される迄の期間は、検知された前記車高に対応する前記車両の傾きの上限値又は当該上限値から所定範囲内の値を求め、前記画像から得られる未較正の情報に基づいて求まる、前記上方照明光源による照明範囲が前記他車両と重ならないための前記照明範囲の下側エッジの目標位置と、求めた前記車両の傾きの上限値又は当該上限値から所定範囲内の値と、を用いて前記上方照明光源を制御する請求項2記載の車両用ヘッドランプ配光制御装置。 - 前記検知部により、前記車両の傾きに関連する物理量として前記車両の後部の車高が検知され、
前記車両には、予め求められた車両の後部の車高と車両の傾きの上限値又は当該上限値から所定範囲内の値との関係に基づき、検知された前記車高に対応する前記上限値まで車両が傾いているとみなして前記ヘッドランプの光軸を制御するレベリング制御機構が搭載され、
前記制御部は、予め求められた前記車高と車両の傾きの範囲の大きさとの関係に基づき、検知された前記車高に対応する車両の傾きの範囲の大きさを求め、前記画像から得られる未較正の情報に基づいて求まる、前記上方照明光源による照明範囲が前記他車両と重ならないための前記照明範囲の下側エッジの目標位置と、求めた車両の傾きの範囲の大きさと、を用いて前記上方照明光源を制御する請求項2記載の車両用ヘッドランプ配光制御装置。 - 撮影部によって撮影された車両の前方の画像から基準位置を検出すると共に、
前記基準位置を検出する迄の期間は、検知部によって検知された前記車両の傾き又は前記車両の傾きに関連する物理量に応じて前記車両のヘッドランプの配光を制御し、前記基準位置を検出した後に、前記画像から得られる情報を検出した前記基準位置に応じて較正した情報に基づいて、前記ヘッドランプの配光を制御する車両用ヘッドランプ配光制御方法。
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US15/426,684 US9944222B2 (en) | 2016-02-10 | 2017-02-07 | Vehicle headlamp light distribution control device and method, and storage medium |
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JP2019043260A (ja) * | 2017-08-31 | 2019-03-22 | 株式会社デンソー | 前照灯制御装置 |
JP2021075269A (ja) * | 2019-10-31 | 2021-05-20 | トヨタ自動車株式会社 | 前照灯制御装置 |
JP2023505593A (ja) * | 2019-12-13 | 2023-02-09 | ヴァレオ ビジョン | 画像データ管理方法及び自動車用照明装置 |
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JP2019043260A (ja) * | 2017-08-31 | 2019-03-22 | 株式会社デンソー | 前照灯制御装置 |
JP2021075269A (ja) * | 2019-10-31 | 2021-05-20 | トヨタ自動車株式会社 | 前照灯制御装置 |
JP7322849B2 (ja) | 2019-10-31 | 2023-08-08 | トヨタ自動車株式会社 | 前照灯制御装置 |
JP2023505593A (ja) * | 2019-12-13 | 2023-02-09 | ヴァレオ ビジョン | 画像データ管理方法及び自動車用照明装置 |
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