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RISS 인기검색어
- 검색키워드
- 저자 : 방명극(Myung gug Bang) (검색결과 3 건)
- 무료
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야간 보행자 사고예방을 위한 Spot 조명 시스템의 연구
방명극(Myung-Gug Bang),이혁민(Hyuk-Min Lee),이현수(Hyunsoo Lee),이홍석(Hongsuk Lee),안병석(Byoungsuk Ahn),박인흠(Inheum Park) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
Most pedestrian accidents occur when the pedestrian crosses the road at night. In order to reduce the pedestrian accidents, presence of the pedestrian should be informed to a driver. Therefore, the lighting system which supporting the driver to recognize the pedestrians on the road in advance is needed to reduce the pedestrian accidents. There is the ‘Night Vision System’ already being applied to prevent accidents with pedestrians in high-end vehicles. The current system uses Far-Infrared(FIR) and Near-Infrared(NIR) theory to detect pedestrians shows the object through the monitor or cluster but this can be dangerous because the driver would have to look at two different areas, straight forwards at the road and monitor simultaneously. We have developed a system where the driver would not have to disperse his sight and could be alerted of the presence of the pedestrian by the system that brings attention on the object automatically. We have decided to name this system “Spot Light System”. In this study, we developed the spot light system that notifies the driver of pedestrian on the road. Near-Infrared(NIR) sensor and irradiation equipment achieve the image ahead of the vehicle. After the image processing work, a headlamp Electronic Control Unit(ECU) detects a located pedestrian and operates the spot lamp to illuminate the detected pedestrian.
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이현수(Hyun soo Lee),이혁민(Hyuk min Lee),방명극(Myung gug Bang),안병석(Byung suk Ahn),박인흠(In hum Park) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
The conventional low beam performance is around 70m, so it can not be provided the ideal nighttime lighting to drivers. And high beam gives the enough visibility in nighttime but it makes dazzling problems to other road users. Therefore the state of the art in lighting division is focusing a permanent high beam without dazzling for night driving situation. High Beam Assistant (HBA) system is already on the market. It simply switches between low and high beam based on camera signal. But it takes “Black hole” effect when high beam Changes to low beam. It cause a side effect to drivers which is time delay to recognize situations. So we need to develop the new system which improves the performance without dazzling and reduce the side effect. This system (Adaptive beam pattern system) replaces low- and high-beam lights with a single light beam that varies gradually and continually between two beam positions. It is a progressive transition between low beam and high beam, equivalent of a dynamic automatic aiming with integration of oncoming/ preceding car and also vertical road geometry by image processing. Therefore the road ahead is better illuminated without glare of other road users and obstacles can be detected earlier than conventional low beam.
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운전자 시인성 향상을 위한 가변형 빔패턴 기반의 헤드램프 시스템
이현수(Hyun soo Lee),이혁민(Hyuk min Lee),방명극(Myung gug Bang),안병석(Byung suk Ahn),박인흠(In hum Park) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
The conventional low beam performance is around 70m, so it can not be provided the ideal nighttime lighting to drivers. And high beam gives the enough visibility in nighttime but it makes dazzling problems to other road users. Therefore the state of the art in lighting division is focusing a permanent high beam without dazzling for night driving situation. High Beam Assistant (HBA) system is already on the market. It simply switches between low and high beam based on camera signal. But it takes “Black hole” effect when high beam Changes to low beam. It causes a side effect to drivers which is time delay to recognize situations. So we need to develop the new system which improves the performance without dazzling and reduce the side effect. This system (Adaptive beam pattern system) replaces low- and high-beam lights with a single light beam that varies gradually and continually between two beam positions. It is a progressive transition between low beam and high beam, equivalent of a dynamic automatic aiming with integration of oncoming/ preceding car and also vertical road geometry by image processing. Therefore the road ahead is better illuminated without glare of other road users and obstacles can be detected earlier than conventional low beam.
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