Intelligent vehicle is a comprehensive system that integrates environmental perception, planning and decision-making, multi-level assistant driving and other functions. It uses computer, modern sensing, information fusion, communication, artificial intelligence, automatic control and other technologies. It is a typical high-tech complex. At present, the research on intelligent vehicles is mainly focused on improving the safety, comfort and providing excellent human vehicle interface. In recent years, intelligent vehicles have become a research hotspot in the field of vehicle engineering and a new driving force for the growth of automobile industry in the world. Many developed countries have incorporated them into their own key development of intelligent transportation systems.