基于机器学习的通信电缆故障检测与定位方法

Fault Detection and Localization Method of Communication Cables Based on Machine Learning

为解决传统的通信电缆故障检测与定位方法存在的灵敏性不足和智能化程度低等问题,提出基于机器学习的通信电缆故障检测与定位方法。首先,基于行波法检测原理搭建通信电缆故障仿真模型来采集实验数据样本;然后,提出基于粒子群优化-支持向量机(PSO-SVM)的通信电缆故障检测模型,其故障识别准确率达99.4%;接着,提出基于卷积神经网络-长短时记忆(CNN-LSTM)的通信电缆故障定位模型,该模型对故障点定位的平均绝对误差为0.334 9,均方根误差为0.320 8;最后,通过对比实验验证CNN-LSTM的网络准确率较单独使用CNN和LSTM模型分别提高了9.47%和6.2%。

To address the issues of insufficient sensitivity and low intelligence in traditional communication cable fault detection and localization methods,a fault detection and localization method of communication cables based on machine learning is proposed.Firstly,based on the principle of traveling wave detection,a communication cable fault simulation model is constructed to collect experimental data samples;Then,a communication cable fault detection model based on Particle Swarm Optimization Support Vector Machine(PSO-SVM)is proposed,with a fault recognition accuracy of 99.4%;Next,a communication cable fault location model based on Convolutional Neural Network Long Short Term Memory(CNN-LSTM)is proposed.The average absolute error of the model for fault location is 0.3349,and the root mean square error is 0.3208;Finally,through comparative experiments,it was verified that the network accuracy of CNN-LSTM was 9.47%and 6.2%higher than that of using CNN and LSTM models alone,respectively.