非接触式铁路货运车辆超偏载检测系统研究
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摘要
针对现有铁路货运装载站存在的装货效率低,过程反复的问题,提出一种新型铁路货运车辆无线动态称重系统的设计方法,即在被测车辆底部非共线的4个点上垂直于轨面安装测距传感器,得到各测点投射到钢轨表面的位移量,从而得到车辆的超偏载信息。并设计出一种货运车辆超偏载检测装置。详细介绍车辆超偏载检测原理,系统的硬软件设计以及样机模型功能检验。研究结果表明:本系统稳定、测量精度较高、可拓展性强,可实时监测装载的超偏载状态,可达到预期效果。
Targeting at the low loading rate in railway freight station arising, a design method of wireless dynamic weighing system for railway freight vehicles was proposed in this paper. According to the method, distance measuring sensors were installed at four non-colinear points of the tested vehicle to obtain the displacement of each measuring point relative to the rail, as well as the whole vehicle attitude. A detection device for overloading of freight vehicles was designed. In this paper, the principle of vehicle overload and unbalance load detection, the hardware and software design of the system and the function test of the prototype model were introduced in detail.The experimental results show that the system is stable, accurate and expandable, and can monitor the loading state of overloading in real time, achieving the expected effect.
Targeting at the low loading rate in railway freight station arising, a design method of wireless dynamic weighing system for railway freight vehicles was proposed in this paper. According to the method, distance measuring sensors were installed at four non-colinear points of the tested vehicle to obtain the displacement of each measuring point relative to the rail, as well as the whole vehicle attitude. A detection device for overloading of freight vehicles was designed. In this paper, the principle of vehicle overload and unbalance load detection, the hardware and software design of the system and the function test of the prototype model were introduced in detail.The experimental results show that the system is stable, accurate and expandable, and can monitor the loading state of overloading in real time, achieving the expected effect.
引文
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[2]马克贤,李喜.电子轨道衡的创新与发展[J].衡器,2010,39(10):1-3.MA Kexian,LI Xi.Electronic track scale innovation and development[J].Weighing Instrument,2010,39(10):1-3.
[3]李喜.重载货运列车超偏载状态监测系统研究及应用[D].长沙:中南大学,2012.LI Xi.Research and application of super offset load status monitoring system for heavy haul freight trains[D].Changsha:Central South University,2012.
[4]郑传行,陈建.煤矿轨道衡称重监测系统结构及功能设计[J].煤炭工程,2013,45(4):125-127.ZHENG Chuanxing,CHEN Jian.Structure and function design of coal mine weigh scale monitoring system[J].Coal Engineering,2013,45(4):125-127.
[5]李剑.翻车机轨道衡称重系统设计[J].衡器,2013,42(2):40-42.LI Jian.The design of dumper track scale weighing system[J].Weighing Instrument,2013,42(2):40-42.
[6]Liljencrantz A,Karoumi R,Olofsson P.Implementing bridge weigh-in-motion for railway traffic[J].Computers&Structures,2007,85(1-2):80-88.
[7]Seku?a K,Ko?akowski P.Piezo-based weigh-in-motion system for the railway transport[J].Structural Control and Health Monitoring,2012,19(2):199-215.
[8]D’Adamio P,Marini L,Meli E,et al.Development of a dynamical weigh in motion system for railway applications[J].Meccanica,2016,51(10):1-25.
[9]Allotta B,D’Adamio P,Marini L,et al.A new strategy for dynamic weighing in motion of railway vehicles[J].IEEE Transactions on Intelligent Transportation Systems,2015,16(6):3520-3533.
[10]Gajda J,Sroka R,Stencel M,et al.Design and accuracy assessment of the multi-sensor weigh-in-motion system[C]//Instrumentation and Measurement Technology Conference.IEEE,2015:1036-1041.
[11]WANG L,HU X,HUANG Y,et al.Based on fiber-optic sensor and the light intensity changes vehicle dynamic weighing system[C]//International Conference on Computational Intelligence and Communication Networks.IEEE,2013:156-159.
[12]LI Z,HE Q.Predicting failure times of railcar wheels and trucks by using wayside detector signals[C]//IEEEInternational Conference on Mechatronics and Automation.IEEE,2014:1113-1118.
[13]Youngtae J,Inbum J.Analysis of vehicle detection with wsn-based ultrasonic sensors[J].Sensors,2014,14(8):14050-14069.
[14]李屹罡.一种轨道动态轮重检测传感装置的设计与研究[D].长沙:中南大学,2013.LI Yigang.Design and research of a track dynamic wheel weight detection sensor[D].Changsha:Central South University,2013.
[15]曹玉,李子华.基于嵌入式以太网的轮重传感器信号采集系统设计[J].铁道机车车辆,2016,36(6):14-17.CAO Yu,LI Zihua.Design of wheel weight sensor signal acquisition system based on embedded ethernet[J].Railway Locomotive&Car,2016,36(6):14-17.
[16]林天亮,贾培丽.基于Qt技术的导航软件系统的设计与实现[J].控制工程,2015(5):992-995.LIN Tianliang,JIA Peili.Design and implementation of navigation software system based on Qt technology[J].Control Engineering of China,2015(5):992-995.
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