Automatic driving system of tractor for paddy field operation

The invention discloses an automatic driving system of a tractor for paddy field operation. The automatic driving system consists of a measurer device, an automatic steering device and a controller, wherein the tractor is provided with a power supply device; the controller is used for controlling the operation of the whole system; after the automatic driving system is started, a driver drives the tractor to run clockwise along the edge of a paddy field bank for a circle, and then the controller automatically stores initial data; the driver sets a waking path and parameters through the controller; the driving distance and steering deflection angles of front wheels are fed back by a circle number measurer and an angle measurer; the controller controls the automatic steering device according to the feedback information; the tractor automatically walks according to the set path; the controller controls an indicating lamp to flicker for giving various prompts for the driver; when the tractor drives to a terminal point of the path, the driver sets controller parameter reset, and further automatic driving is finished. According to the automatic driving system disclosed by the invention, automatic driving of the tractor during the paddy field operation is realized, labor intensity and fatigue feeling of the driver are reduced, and the working efficiency is improved; the automatic driving system has the advantages of convenience in operation, high practicality and wide application range.