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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

第13卷    第11期    总第80期    2016年11月

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文章编号:1672-7029(2016)11-2270-06
BDS/GPS双模定位技术在现代有轨电车中的应用研究
王迪1,2,陈光武1,2,杨厅1,2

(1. 兰州交通大学 自动控制研究所,甘肃 兰州 730070;2. 甘肃省高原交通信息工程及控制重点实验室,甘肃 兰州 730070)

摘 要: 实时定位监控系统是现代有轨电车运行控制系统的重要组成部分,它是确保现代有轨电车安全运行的关键系统。针对传统GPS定位存在的缺点,研究一种基于BDS/GPS双模定位技术的现代有轨电车高精度定位系统;提出一种以BDS/GPS双模定位为主,航迹推算/RFID定位为辅同时采用道路分段式的定位方案。为提高双模定位信息的精度,提出一种中值滤波和卡尔曼滤波相结合的数据处理算法。经过测试表明该方法比传统的现代有轨电车GPS定位系统更加准确、可靠,为现代有轨电车的安全运行提供了保障。

 

关键字: 现代有轨电车;BDS/GPS双模定位;中值滤波;卡尔曼滤波

Application researth on BDS/GPS dual-mode positioning technology for modern streetcar
WANG Di 1,2,CHEN Guangwu1,2,YANG Ting1,2

1. Automatic Control Institute,Lanzhou Jiaotong University,Lanzhou 730070,China; 2. Gansu Provincial Key Laboratory of Traffic Information Engineering and Control,Lanzhou 730070,China

Abstract:Real-time positioning and monitoring system is an essential component of modern tram operation control system, which is a vital system to ensure operating safety of modern tram. In view of the shortcomings of traditional GPS positioning, a high precision positioning system of modern tram based on BDS/GPS dual mode positioning technology was studied. A new positioning scheme that is depent on BDS/GPS dual mode positioning mainly, RFID/DR secondarily in different track section was put forward in this paper. Additionally, a combination of median filtering and Kalman filtering algorithm was proposed to improve the accuracy of dual mode positioning information. The result proves that the proposed method is more accurate and reliable than the traditional GPS positioning system, and can ensure the safe operation of modern tram.

 

Key words: modern tram; BDS/GPS dual mode positing; median filter; Kalman filter

ISSN 1672-7029
CN 43-1423/U

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