The Research Of Vehicle Speed Intelligent Control System

Road traffic safety is one of the key factors that affect China's sustainable development of the transport industry. Vehicle speed is the main reason of the expressway traffic accident, threatening people's life and property safety seriously. At present, expressway traffic accident result of vehicle speed is trouble in our country, During 1995-2004 years, totally 10.6 myriad people have been dead because of over-speeding and the direct property loss reaches to over 2 billion yuan.Expressway traffic accident result of vehicle speed is always exist .If we can carry on identifying , judging and the intelligence control to drive safe appearance to the car, the rate of traffic accident of the whole expressway will be significantly reduced. Therefore the study of vehicle speed intelligent control system is going necessary. Currently, the design speed of the road is as a basis for the limit of vehicle speed in our country, obviously which is simple and unscientific. At the same time, we often ignore the vehicle type, the road section, and the climatic conditions and so on when establishing the regulating value. We all use the unified highest regulating value, which obviously is inappropriate, lacking timeliness and dynamic. Moreover, the target vehicles' track and vehicle speed information management technology's backwardness enables the vehicle speed not to be able to obtain the prompt discovery and the effective control.This article has systematically summarized the domestic and foreign vehicle speed security research and analyzed the factors of vehicle speed security. The article has conducted the research to the key technologies of intelligent control of vehicle security speed, for example: carrying on the recognition and the real-time track to the goal vehicles and designing vehicle speed security information acquisition system using the GPS technology and the video detection technology, analyzing methods of Vehicle speed information dynamic management system using the GIS technology, data fusion technique and artificial intelligence, using vehicle speed safe quality synthetic evaluation's method to determine vehicle speed security limiting value, studying the frame of vehicle speed intelligent control system, as well as designing vehicle carries the vehicle speed intelligence early warning system. Finally, the article has proved the feasibility of the intelligent control system of vehicle speed by analyzing ADMAS/car to the vehicle speed limiting value.The intelligent control system of vehicle speed study of this article can real-time and dynamically monitor vehicle speed. It has important theory significance and application value to enhance the vehicle security speed.