JP7430827B2 - 車両用灯具の制御装置および車両用灯具システム - Google Patents
車両用灯具の制御装置および車両用灯具システム 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
-
- 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
-
- 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
- B60Q1/0017—Devices integrating an element dedicated to another function
- B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
-
- 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
- B60Q1/076—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 by electrical means including means to transmit the movements, e.g. shafts or joints
-
- 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
- B60Q1/12—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 steering position
-
- 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
-
- 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
- B60Q2300/11—Linear movements of the vehicle
- B60Q2300/112—Vehicle speed
-
- 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
- B60Q2300/11—Linear movements of the vehicle
- B60Q2300/114—Vehicle acceleration or deceleration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Description
前記制御装置は、車両の前後方向に対応付けられた第1加速度、当該車両の上下方向に対応付けられた第2加速度、当該車両の車速の各々を所定時間毎に取得し、前記車速に基づいて車両進行方向加速度を算出して、前記車両進行方向加速度と前記第1加速度との相関関係から第1傾きを求めるとともに、前記車両進行方向加速度と前記第2加速度との相関関係から第2傾きを求めて、当該第1傾きと第2傾きの比に基づいて前記車両の姿勢角度を求め、当該車両の姿勢角度に基づいて前記車両用灯具の光軸を制御するための制御信号を生成して当該車両用灯具へ供給するものであり、
前記車両用灯具は、複数の発光素子を配列した構成を有しており、
前記制御装置は、前記車両の姿勢角度に応じて前記複数の発光素子のうち、点灯させる当該発光素子を可変に設定する、
車両用灯具システムである。
θ=sin-1{X/(-1G)}
また、鉛直方向に加速度aが発生している場合は以下の通りである。
θ=sin-1{X/(-1G+a)}
また、坂道傾斜角αの算出も、例えば特許第5577080号公報(特許文献1)に記載した次の計算式を用いた演算により求めることができる。
α=sin-1(h/x)
その際、車速から求められる車両進行方向加速度を特許第5577080号公報(特許文献1)に記載した加速度センサから検出したX(前後方向加速度)として用いる。ただし、1Gは重力加速度、hは鉛直方向の変位、xは進行距離を示す。
12:加速度センサ
13:ランプユニット
20:角度算出部
21:光軸設定部
22:光軸調整部
Claims (8)
- 車両のピッチ方向の姿勢変化に応じて車両用灯具の光軸を可変に制御するための制御装置と当該制御装置によって制御される車両用灯具を備える車両用灯具システムであって、
前記制御装置は、車両の前後方向に対応付けられた第1加速度、当該車両の上下方向に対応付けられた第2加速度、当該車両の車速の各々を所定時間毎に取得し、前記車速に基づいて車両進行方向加速度を算出して、前記車両進行方向加速度と前記第1加速度との相関関係から第1傾きを求めるとともに、前記車両進行方向加速度と前記第2加速度との相関関係から第2傾きを求めて、当該第1傾きと第2傾きの比に基づいて前記車両の姿勢角度を求め、当該車両の姿勢角度に基づいて前記車両用灯具の光軸を制御するための制御信号を生成して当該車両用灯具へ供給するものであり、
前記車両用灯具は、複数の発光素子を配列した構成を有しており、
前記制御装置は、前記車両の姿勢角度に応じて前記複数の発光素子のうち、点灯させる当該発光素子を可変に設定する、
車両用灯具システム。 - 前記第1傾きは、前記車両進行方向加速度と前記第1加速度との相関関係に基づいて直線近似を行うことによって求められ、
前記第2傾きは、前記車両進行方向加速度と前記第2加速度との相関関係に基づいて直線近似を行うことによって求められる、
請求項1に記載の車両用灯具システム。 - 前記車両の姿勢角度は前記車両が走行中である場合に求められる、
請求項1又は2に記載の車両用灯具システム。 - 前記車両進行方向加速度は複数の時刻における前記車速の差分に基づいて求められる、
請求項1~3の何れか1項に記載の車両用灯具システム。 - 前記車両の姿勢角度は前記第1傾きと前記第2傾きの比の逆正接関数によって求められる、
請求項1~4の何れか1項に記載の車両用灯具システム。 - 前記第1加速度および前記第2加速度は加速度センサを用いて検出される、
請求項1~5の何れか1項に記載の車両用灯具システム。 - 前記複数の発光素子は、マトリクス状に配列した構成を有する、
請求項1~6の何れかに記載の車両用灯具システム。 - 前記制御装置は、
前記車両の前記姿勢角度を求める角度算出部と、
前記制御信号を生成して当該車両用灯具へ供給する光軸設定部と、
前記第1加速度、前記第2加速度、前記車両進行方向加速度の値を格納するバッファと、
を含み、
前記角度算出部は、前記車両が走行中である場合において、第1タイミングの前記車速と当該第1タイミングより古い第2タイミングの前記車速の差分に基づいて前記車両進行方向加速度を算出する、
請求項1~7の何れかに記載の車両用灯具システム。
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JP2021137080A JP7218404B2 (ja) | 2017-05-19 | 2021-08-25 | 車両用灯具の制御装置および車両用灯具システム |
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CN107614323B (zh) * | 2015-05-27 | 2020-05-22 | 三菱电机株式会社 | 前照灯用光轴控制装置 |
JP6936624B2 (ja) * | 2017-05-19 | 2021-09-15 | スタンレー電気株式会社 | 車両用灯具の制御装置および車両用灯具システム |
WO2020183532A1 (ja) * | 2019-03-08 | 2020-09-17 | 三菱電機株式会社 | 光軸制御装置 |
JPWO2020250756A1 (ja) | 2019-06-14 | 2020-12-17 | ||
KR20220135900A (ko) * | 2021-03-31 | 2022-10-07 | 현대자동차주식회사 | 헤드램프 각도 보정 장치 및 보정 방법 |
CN113358076A (zh) * | 2021-07-09 | 2021-09-07 | 中国工程物理研究院机械制造工艺研究所 | 楔块装配检测装置及方法 |
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JP2013235742A (ja) | 2012-05-09 | 2013-11-21 | Sharp Corp | 照明装置および車両用前照灯 |
WO2014020647A1 (ja) | 2012-08-01 | 2014-02-06 | 三菱電機株式会社 | 傾斜角検出装置および車載機器 |
JP2015205570A (ja) | 2014-04-18 | 2015-11-19 | 株式会社デンソー | ピッチング角算出装置及び光軸調整装置 |
JP6936624B2 (ja) | 2017-05-19 | 2021-09-15 | スタンレー電気株式会社 | 車両用灯具の制御装置および車両用灯具システム |
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JP7218404B2 (ja) | 2023-02-06 |
EP3406486B1 (en) | 2020-02-26 |
US10286833B2 (en) | 2019-05-14 |
US20180334083A1 (en) | 2018-11-22 |
JP2023052600A (ja) | 2023-04-11 |
CN108944647A (zh) | 2018-12-07 |
EP3406486A1 (en) | 2018-11-28 |
CN108944647B (zh) | 2022-12-06 |
JP2018193005A (ja) | 2018-12-06 |
JP2021185079A (ja) | 2021-12-09 |
JP6936624B2 (ja) | 2021-09-15 |
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