基于相位锁定技术的牵引变电设备电磁干扰源自动追踪方法  

Automatic tracking method for electromagnetic interference sources in traction substation equipment based on phase locking technology

作　　者：魏龙 WEI Long(Lanzhou Railway Design Institute Co.,Ltd.,Lanzhou 730000,China)

机构地区：[1]兰州铁道设计院有限公司,兰州730000

出　　处：《自动化与仪器仪表》2025年第1期123-127,共5页Automation & Instrumentation

基　　金：2022兰州市铁道科技创新计划项目(ZXB202209)。

摘　　要：电磁干扰源追踪定位方法将电磁聚类后的结果转化为知识图谱实体,抽取实体之间的关系,发掘电磁数据与干扰源的关联。但是在关联挖掘过程中,对电磁干扰属性没有加以区分,导致定位精度下降。提出基于相位锁定技术的牵引变电设备电磁干扰源自动追踪方法。该方法基于相位锁定技术中的锁相环方法设计电磁干扰源测量方案,对牵引变电设备中的电磁干扰源信号展开采集。对采集到的电磁干扰源信号中的3种电磁干扰特性展开分析,区分电磁干扰属性,并将电磁干扰特性参数代入到定位算法中,采用改进的RSSI定位算法和Egli传播模型作为距离模型确定电磁干扰源位置,完成牵引变电设备电磁干扰源自动追踪。实验结果表明,所提方法具有较高的追踪精度和性能,适用于牵引变电设备电磁干扰源自动追踪。The electromagnetic interference source tracking and localization method converts the results of electromagnetic clustering into knowledge graph entities,extracts relationships between entities,and explores the correlation between electromagnetic data and interference sources.However,in the process of association mining,the electromagnetic interference attributes are not distinguished,resulting in a decrease in positioning accuracy.Propose an automatic tracking method for electromagnetic interference sources in traction substation equipment based on phase locking technology.This method is based on the phase-locked loop method in phase locking technology to design an electromagnetic interference source measurement scheme and collect electromagnetic interference source signals in traction substation equipment.Analyze the three types of electromagnetic interference characteristics in the collected electromagnetic interference source signals,distinguish the electromagnetic interference attributes,and input the electromagnetic interference characteristic parameters into the positioning algorithm.Use the improved RSSI positioning algorithm and Egli propagation model as the distance model to determine the location of the electromagnetic interference source,and complete the automatic tracking of the electromagnetic interference source of the traction substation equipment.The experimental results show that the proposed method has high tracking accuracy and performance,and is suitable for automatic tracking of electromagnetic interference sources in traction substation equipment.

关 键 词：牵引变电设备 电磁干扰源 相位锁定技术 锁相环方法 RSSI定位算法 

分 类 号：TN972[电子电信—信号与信息处理] TP29[电子电信—信息与通信工程]