Analysis of Electromagnetic Coupling Characteristics of Balise Transmission System Based on Digital Twin
Source abstract
Abstract
The balise transmission system (BTS) is an automatic identification system for vehicle–ground communication based on radio frequency identification (RFID) technology. The electromagnetic coupling characteristics of BTS have a very important effect on the transmission quality of the uplink telegram signals. However, signal transmission problems of BTS often occur due to unreasonable installation mode or parameter setting. In order to solve these problems, it is necessary to fully discuss the electromagnetic coupling characteristics of the BTS. In this paper, the transmission process of energy and data between the onboard antenna unit and the balise was analyzed using digital twin technology. A high-precision dynamic electromagnetic coupling model of the BTS was established from four aspects of three-dimensional structure, physical properties, behavior patterns, and rule restrictions. Then the accuracy of the model was verified by experiments. Finally, the influence of typical parameters on the uplink signal is calculated and analyzed quantitatively. The results showed that compared with other factors discussed in this paper, the vertical distance and the installation mode had greater effects on the uplink signal. These results can be used to guide the engineering installation and related optimization of the BTS.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: RFID technology advancements · Electrical Contact Performance and Analysis · Digital Transformation in Industry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Electromagnetic Compatibility, Beijing Jiaotong University, Beijing 100044, China
Beijing Engineering Research Center of EMC and GNSS Technology for Rail Transportation, Beijing 100044, China
Frontiers Science Center for Smart High-Speed Railway System, Beijing Jiaotong University, Beijing 100044, China
China Academy of Railway Sciences Corporation Limited, Standards & Metrology Research Institute, Beijing 100044, China
Funding
National Natural Science Foundation of China · Basic Research Business Expenses of Beijing Jiaotong University—Special Project of Frontier Sci-ence Center of Smart High Speed Railway System · Enterprise Project
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