Study on coalface stray current safety early warning based on ANFIS

By analyzing the DC traction supply system in coal mine, we confirmed the following four parameters to be the characteristic parameters of workface stray current safe early warning, that is, the leakage current of contacting line, resistance of insulating splint, the distance between workface and subtraction substation and the stray voltage of contacting line. After that, we developed a safety early warning model of coal mining workface stray current danger grade with ANFIS as its core, choosing data sets measured online to do the training and early warning of safe early warning model. Results indicate that the model can be able to complete safety early warning of workface stray current. Besides, a monitoring and early warning system of stray current was introduced.