Fast positioning method of three-phase cable path based on weak magnetic field detection
The rapid positioning of urban underground cables is of great significance for the safe and stable development of the city.However,at present,the detection accuracy of underground cables in the city is poor and the detectable area is small.In view of the above difficult problems,this paper proposes a fast positioning method of three-phase cable path based on weak magnetic detection,and deduces the basic law of three-phase cable magnetic field radiation.By measuring the magnetic field amplitude information of any five points in the space,combined with the particle swarm numerical iterative calculation method and using the five point positioning principle,the path of underground three-phase cable is calculated.Finally,the feasibility of this method is verified by simulation and experiment,and the positioning error is analyzed.This method has a certain reference value for improving the detection accuracy of underground cables and the detection ability of deep buried cables.
underground three-phase cablemagnetic field amplitudenumerical iterationfive-point positioningpath detection
NETL
NSTL
万方数据
维普
