Automatic driving underlying system based on UWB positioning technology

The invention provides an automatic driving underlying system based on a UWB positioning technology, which can overcome the defects of a visual perception system and improve the accuracy of automatic driving positioning, and comprises a cloud server, a UWB license plate and a vehicle main control module arranged on a vehicle, and a plurality of roadside units arranged on the roadside, the UWB license plate is used for sending UWB license plate data to the road side unit in real time; the road side unit is used for packaging and uploading UWB license plate data and the own number to the cloud server; the cloud server retrieves vehicle information according to a license plate number in the UWB license plate data, retrieves roadside unit position information according to a roadside unit number, finally establishes a mathematical model according to the vehicle information, the roadside unit position information and the UWB license plate data, determines the position and direction of a vehicle, performs path plann