Positioning system and method for unmanned vehicle in well mine

The invention discloses a positioning system and method for an unmanned vehicle in a well mine, and the system comprises a map construction module, a data collection module, a data fusion processing module and a positioning module, the data fusion processing module is in communication connection with the data collection module, and the positioning module is in communication connection with the map construction module and the data fusion processing module; a point cloud map of a transportation channel of an unmanned vehicle is constructed by utilizing a map construction module, a data acquisition module acquires real-time data in the operation process of the unmanned vehicle, and a data fusion processing module calibrates the real-time data to obtain calibration data. The positioning module obtains the position information of the unmanned vehicle according to the point cloud map and the calibration data, that is, the point cloud map is constructed in advance, real-time data is collected in the operation proces