基于射频识别的高温超导磁浮列车定位方法
王一坚1,2张辉波1黄莉娟1,2梁乐3邓自刚2
RFID-based High-temperature Superconducting Maglev Train Positioning Method
WANG Yijian1,2ZHANG Huibo1HUANG Lijuan1,2LIANG Le3DENG Zigang2
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作者信息:1.西南交通大学信息科学与技术学院，611756，成都
2.西南交通大学轨道交通运载系统全国重点实验室，610031，成都
3.西南交通大学轨道交通国家实验室，610031，成都
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Affiliation:1.School of Information Science and Technology, Southwest Jiaotong University, 611756, Chengdu, China
2.State Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, 610031, Chengdu, China
3.National Laboratory of Rail Transit, Southwest Jiaotong University, 610031, Chengdu, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2024.07.018
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中图分类号/CLCN:U266.4
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栏目/Col:研究报告
摘要:
［目的］为解决目前传统列车定位技术不适用于高温超导磁浮列车，以及高温超导磁浮列车现有定位技术具有局限性的问题，提出一种基于RFID（射频识别）技术的列车定位监测方法。［方法］介绍了RFID定位技术，提出该定位技术在系统应用中的理论误差模型，设计并搭建完成定位软件及硬件系统。为提高系统的定位精度，分析了列车运行速度、读写器响应时间、读写器信标距离等参数对定位误差的影响。在此基础上，结合高温超导磁浮列车具体运行环境搭建试验平台,验证所提RFID定位方法的可行性。［结果及结论］所设计的基于RFID的高温超导磁浮列车定位方法，能够对环形试验线中运行的磁浮列车进行较高精度的定位，所提RFID系统具有可靠性高、成本低、易于维护等优点。
Abstracts:
［Objective］ Targeting the inapplicability of conventional train positioning technologies to HTS (high-temperature superconducting) maglev trains, as well as the limitations of existing positioning technologies for such trains, a method based on RFID (radio frequency identification) technology for monitoring train position is proposed. ［Method］ The RFID positioning technology is introduced, and a theoretical error model for this technology in system application are proposed. The positioning software and hardware systems are designed and constructed. To improve positioning accuracy of the system, the influence of train operating speed, reader response time, and reader-tag distance on positioning errors are analyzed. On this basis, an experimental platform is established in consideration of the specific operating environment of HTS maglev trains, and the feasibility of the proposed RFID positioning method is verified. ［Result & Conclusion］ The designed RFID-based positioning method for HTS maglev trains can achieve relatively high precision positioning of maglev trains running on circular test tracks. The proposed RFID system exhibits advantages such as high reliability, low cost, and easy maintenance.
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