用DSP方法实现监控装置对轨道绝缘节的识别  

Identification of track insulation nodes by monitor and record device based on DSP

作　　者：吕浩炯[1] 

机构地区：[1]株洲电力机车研究所监控技术有限公司,湖南株洲412001

出　　处：《机车电传动》2004年第6期38-41,共4页Electric Drive for Locomotives

摘　　要：介绍一种基于数字信号处理和数字滤波技术识别轨道绝缘节点的方法,用于LKJ2000型列车运行监控记录装置校正计算距离。分析了用于处理轨道电路信号的数字滤波器设计原理,并针对目前国内几种典型的轨道信号制式,给出识别轨道绝缘节点的详细办法。实际应用表明,这种方法灵活性、稳定性和可靠性好,满足功能需求。This paper presents a method to identify the railway insulation nodes for LKJ2000 train running monitor and record device to modify the calculated control distance.This method is based on digital signal processing and digital filter technology.The design of digital filters for railway signal application is analyzed and the detail methods to identify track insulation nodes are given for several typical railway signal systems in China.Practice application proves that this mothed can meet the function requirement with high flexibility, stability and reliability.

关 键 词：LKJ2000型列车运行监控记录装置 轨道绝缘节 识别方法 数字滤波器 DSP技术 轨道信号制式 

分 类 号：U284.48[交通运输工程—交通信息工程及控制]