Design and manufacturing of axle counting equipment using electromagnetic induction method
Email:
nguyenthanhhai@utc.edu.vn
Keywords:
Axle Counter, Signal Processing, Split Phase, Centralized Traffic Control
Abstract
The axle counting equipment is one of the important devices in the railway signal control system, which helps the system to operate safely and accurately. Currently, the axle counting devices commonly used in the Vietnamese railway signaling system are mainly imported. This article presents a solution for manufacturing axle counting equipment for Vietnamese railways. The operation principle of the axle counting sensor is based on the change of the magnetic flux through the receiving coil when the wheel passes the sensors. The signal processing of the alxe counter based on the amplitude and phase of the voltage received from the receiver coil will recognize the state of the wheel occupying the sensor space. Sensors and processing circuits have been successfully fabricated and tested on several routes in Vietnam railways. The results show that the signal threshold between passing train and no train is clearly distinctive. The count value of axle is transmitted to the Control center through a highly reliable CAN communication network. The manufactured devices can be applied to Automatic Warning System at level crossings, Automatic Block Signaling, Centralized Traffic ControlReferences
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[3]. S. Yasukawa, N. Takagi, G. Dong, S. Wakao, M. Takahashi, M. Yagi, T. Okutani, Design optimization of magnetic sensor for train detection, IEEE Trans. Magn., 51 (2015) 1-4. https://doi.org/10.1109/tmga.2014.2358379
[4]. H. Kuwahara, Y. Maruyama, S. Wakao, M. Takahashi, M. Yagi, T. Okutani, Y. Okamoto, Multi-objective optimization of magnetic sensor with conductor plate for rail wheel detection, IEEE CEFC 2016 - 17th Biennial Conference on Electromagnetic Field Computation, Miami, United States, 2016, Institute of Electrical and Electronics Engineers Inc. https://doi.org/10.1109/cefc.2016.7816281
[5]. A. Zamani, A. Mirabadi, Analysis of sensor orientation in railway axle counters, using response surface methodology, Journal of Electromagnetic Analysis and Applications, 3 (2011) 12-17, http://doi.org/10.4236/jemaa.2011.312080
[6]. L. Yanlong, T. Weiming, J. Xianji, L. Zhohngwei, Magnetic circuit modeling and analysis of unilateral axle-counting sensor, IEEE Access, 6 (2018) 51834-51842. https://doi.org/10.1109/ACCESS.2018.2868293
[7]. A.R. Tupe, Maintenance of digital axle counters, https://rdso.indianrailways.gov.in/works/uploads/File/Handbook%20on%20Maintenance%20of%20Digital%20Axle%20Counter(1).pdf , truy cập ngày 26 tháng 03 năm 2021.
[8]. A.R. Tupe, Handbook on troubleshooting of digital axle counters, https://rdso.indianrailways.gov.in/works/uploads/File/Handbook%20on%20Troubleshooting%20of%20Digital%20Axle%20Counter(1).pdf>, truy cập ngày 26 tháng 03 năm 2021.
[9]. C. Wei , C.C.Lai, S. M. Liu, W.H. Chung, T.K. Ho, H.-Y. Tam , S.L. Ho, A.McCusker, J. Kam, K.Y Lee, A fiber bragg grating sensor system for train axle counting, IEEE Sensors Journal, 10 (2010) 1905-1912. https:// doi.org/10.1109/jsen.2010.2049199
[10]. W. Lawrenz, CAN System engineering from theory to practical applications, Springer, London, 2013
[11]. NXP Semiconductor, CAN controller interface PCA82C250, https://www.nxp.com/docs/en/data-sheet/PCA82C250.pdf, truy cập ngày 26 tháng 03 năm 2021.
[12]. ST Microelectronics, RM0008 reference manual STM32F103C8, https://www.keil.com/dd/docs/datashts/st/stm32f10xxx.pdf, truy cập ngày 26 tháng 03 năm 2021
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Received
19/06/2021
Revised
16/10/2021
Accepted
14/12/2021
Published
15/12/2021
Type
Research Article
How to Cite
Nguyễn Thanh, H., Đặng Quang, T., Cồ Như, V., & Trần Văn, K. (1200). Design and manufacturing of axle counting equipment using electromagnetic induction method . Transport and Communications Science Journal, 72(9), 1118-1130. https://doi.org/10.47869/tcsj.72.9.10
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