Rail robot real-time positioning method, device and system

The invention provides a real-time positioning method, device and system for a rail robot. The method comprises the following steps of: controlling two contacts of the real-time positioning device of the track robot to respectively contact with a resistance wire body of a slide-wire rheostat fixed on a track and a ground wire parallel to the resistance wire body; collecting electrical parameters of the slide-wire rheostat through the contact, wherein the electrical parameters are voltage or resistance; and determining the position of the real-time positioning device of the rail robot according to the electrical parameters. According to the linear slide wire rheostat resistance wire body laid along the track and the contact process resistance voltage division type acquisition structure of the track robot real-time positioning device, positioning can be realized based on resistance voltage division. 本发明提供一种轨道机器人实时定位方法、装置及系统。方法包括：控制轨道机器人实时定位装置的两个触头分别与固定在轨道上的滑线变阻器的电阻丝本体和与所述电阻丝本体并行的地线接触；通过所述触头采集滑线变阻器的电性参数，所述电性参数为电