基于多传感器的轨道区段占用解决方案

doi:10.3969/j.issn.0258-2724.2015.02.002

华泽玺¹,
陈向东^2,,

基金项目:

国家自然科学基金资助项目(61171050)

详细信息

作者简介:
华泽玺(1968-),男,副教授,博士研究生,研究方向为检测与控制,电话:13308080547,E-mail:huazexi@163.com

通讯作者:
陈向东(1967-),男,教授,博士,研究方向为信息获取技术与新型传感器,E-mail:xdchen@home.swjtu.edu.cn

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出版历程
- 收稿日期:2013-08-28
- 刊出日期:2015-04-25

Solution to Track Section Occupation Using Multi-sensor

HUA Zexi¹,
CHEN Xiangdong^2,,

摘要

摘要:针对轨道电路分路不良的问题,提出一种基于多传感器的轨道区段占用解决方案.该方案利用红外对射、接近开关和测距3种传感器不同的安装方法来实现数据采集,基于D-S证据理论建立了轨道占用检测模型,并通过Petri网的轨道占用检测模型实现列车计轴,在上位机实现对轨道占用情况的判断,以此对铁路行车控制提供有效依据.分析表明,本文设计的轨道电路占用解决方案的危险侧失效概率达到10-7,MTBF(平均故障间隔时间)达到105 h,满足铁路应用的可靠性和安全性需求;与传统轨道电路相比,解决轨道区段占用问题的正确率提高了20%.
- 轨道电路/
- 分路不良/
- 计轴/
- 红外对射传感器/
- 接近开关/
- 测距传感器
Abstract:To handle the bad shunting of track circuit, a solution using multi-sensors was proposed to solve the track section occupancy. Different layouts of three types of sensors, i.e., the infrared sensor, proximity switch and distance measurement sensor, were used in data collection. Based on D-S evidence theory, track occupancy detection model was constructed. The Petri net model of detecting track section occupation operating at the lower computer was used to realize axis counting and examine track occupancy at upper monitor, which provides a basis for railway traffic control. Analysis shows that the wrong side failure rate of the proposed solution is 10-7, and that the MTBF (mean time between failure) reaches up to 105 h, which could meet the reliability and safety requirement of railway application. Compared with conventional track circuit, the correct rate of this solution dealing with track section occupancy is increased by 20%.
- track circuit/
- bad shunting/
- axle counting/
- infrared ray sensor/
- proximity switch/
- distance measurement sensor

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