| The driver's vision design of three-wheeled automobile is a crucial link of car-body design, and it affects the car driving safety and comfort directly. This paper had studied the basic theory of driver's eyellipse, built the three-dimension entity model of Agricultural three-wheeled automobile on the basis of its concrete structure parameters. It had constructed man and woman driver model which according to Chinese human body characteristics, and connected with three dimension entity model of Agricultural three-wheeled automobile, built the driver's vision model of Agricultural three-wheeled automobile. The front vision of man and woman driver were studied by using CATIA software, the blind vision of 3 meters in front of driver and the visibility of the light which is 12 meters ahead the driver and 5 meters high was analyzed. It had also studied the driver's vision through the rear view mirror, analyzed the rear vision of Agricultural three-wheeled automobile driver by using mirror principle; studied A column blind area in three-wheeled automobile driver's front vision, and analyzed its binocular angle using the driver's line of sight cone; studied the dashboard vision of driver, analyzed the dashboard view blind area caused by the steering wheel, and probed the pilot from driver's eye-point to dashboard. This paper had also studied the basic theory of Agricultural three-wheeled automobile optimization design, and proposed the optimization scheme according to the problem which found in the driver's vision design of three-wheeled automobile, built the driver's vision model of optimized, checked the driver's front vision, A column blind area and the pilot from driver to the dashboard, improved the driver's vision of Agricultural three-wheeled automobile, and enhanced the drive safety of it. |
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