轿车前灯模拟控制系统设计.doc

本科学生毕业设计 系统设计 黑 龙 江 工 程 学 院 二一年六月 The Graduation Design for Bachelors Degree Design of analog control system of car headlights 2012-06·Harbin  摘 要 关键词：STC12C5A60S2；调试；设计； ABSTRACT With the social development and peoples living standard continues to improve. The car is not limited to the performance and cost. But more and more requirements of the modern automobile safer, more environmentally friendly and more humane. Limited to the performance, cost, but more and more the requirements of the modern automobile safer, more environmentally friendly and more humane. As the pieces of one of the three car safety, automotive lighting system is the most important active safety devices, improvement and innovation of traditional auto lighting system is also increasingly becoming a hot issue for the worlds cars long providers. So, how is the automotive lighting intelligent, more secure, more comfortable and become a very urgent and important practical significance of the issue. As technology advances, the traditional lighting system has also experienced a considerable development before lighting systems become more perfect, more humane. But the actual use of the traditional first round light system there are many problems. For example, in the decline of the rear axle, the car will make the low beam light to produce the effect of the high beam; existing near the light is very bad at close range lighting, in particular, is lost in the traffic situation is more complex, often there will be a lot of drivers in the evening nearly light, high beam and front fog lamps all open; vehicles turning when there are errors in this lighting, seriously affect the judgment of the crash barriers in the corners; vehicles driving in the rain when the ground area of water reflect the light of headlights and reflected glare. Nighttime accidents, according to statistics, 50% occurred on a dark road with no lighting facilities, road lighting, the worse the greater the likelihood of accidents. In