轨道电路动态运行质量综合评价方法应用研究

Application Research of Comprehensive Evaluation Method for Dynamic Operation Quality of Track Circuits

提出了基于特征指标提取的轨道电路动态运行质量综合评价方法,以邻区段干扰、邻线干扰、工频干扰、入口电流、出口电流、感应电压幅值及传输曲线变化量7个特征指标评分综合加权得到轨道电路动态运行质量指数(TEI)。结合高速线路动态检测数据,分析了TEI的分布情况及变化规律,探讨了轨道电路动态运行质量综合评价方法在轨道电路动态质量区段分析、线路分析中的应用。分析结果表明,应用轨道电路动态运行质量综合评价方法,可对轨道电路动态运行质量进行量化描述,提升了轨道电路动态检测数据分析水平。

A comprehensive evaluation method for dynamic operation quality of track circuits based on feature extraction is proposed in this paper.Evaluation Index for Dynamic operation quality of Track circuit(TEI)is obtained by synthetically weighting the scores of seven characteristic indexes(adjacent section interference,adjacent line interference,power frequency interference,inlet current,outlet current,amplitude of induced voltage and variation of transmission curve).Combined with the dynamic detection data of high-speed lines,the distribution and variation rule of TEI are analyzed.The application of proposed evaluation method of track circuits in section analysis and line analysis is discussed.Analysis results show that the proposed evaluation method of track circuits can quantitatively describe the dynamic operation quality of track circuits,and improve the analysis level of dynamic detection data.