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《Journal of Railway Science and Engineering》 2019-10
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Research and implementation of LKY-TH lineside electronic unit

HAI Ning;ZHANG Caizhen;SUN Guoying;YANG Guanglun;DING Huan;School of Electronic and Information Engineering, Lanzhou Jiaotong University;Beijing National Railway Research and Design Institute of Signal and Communication Company Limited;  
The linsinde electronic unit is the key device of the transponder control interface. Based on the autonomous hardware platform, it adopted the two-two structure for modular design, optimized and developed the LKY-YH LEU for the characteristics of foreign equipment. The device periodically received the transponder transmission message from the external device, and continuously transmitted the message to the active transponder according to the interface "C" specification through the processing module, the monitoring module, and the output module, so as to transmit the variable information to the in-vehicle device. At the same time, it integrated cable open-circuit detection and runs log real-time recording. The equipment passed the indoor test and Baiwu line comprehensive test and obtained the international SIL4 safety certification. The test results show that the equipment can realize the efficient transmission of ground-vehicle information, reliability and maintainability compared with foreign LEU. There is also a significant increase.
【Fund】: 国家自然科学基金资助项目(61261029);; 中国铁路总公司科技研究开发计划课题资助项目(2016X003-H)
【CateGory Index】: U284.48
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