一、前言通常驾驶员凭借视觉和听觉获得的信息进行驾驶操作,而其中80%以上的信息由视觉从交通环境中得到。由此可见,视觉从交通环境得到的信息对于安全驾驶是极为重要的。过去对改善视野虽然进行了很多研究,但是,为确保安全行车所必需的最小视野(必要视野)的求法的研究却很少见。汽车的必要视野可以从车身的形状、大 I. Preface It is common for drivers to operate with visual and auditory information, of which more than 80% of the information is visually obtained from the traffic environment. This shows that visual information obtained from the traffic environment is extremely important for safe driving. Although many studies have been conducted in the past to improve the field of vision, there is very little research into the method of obtaining the minimum necessary field (necessary field of view) to ensure safe driving. The necessary view of the car can be from the body shape, large