Design of Long-Distance and High-Accuracy Rail Subgrade Deformation Monitoring System Based on Zigbee Wireless Network

Abstract:

A design of long-distance and high-accuracy rail subgrade deformation monitoring system based on Zigbee wireless network is proposed according to the requirement of inclination measurement for the Qinghai-Tibet railway rail subgrade. This paper selects Atmega128 as the microprocessor of the system, and uses SCA103T as high accuracy inclination sensor. When the real time inclination data has been collected and analyzed, GPRS network and Beidou satellite system should send the data to remote server, which can exhibit the deformation of rail subgrade after processing and analyzing the data comprehensively. The measurement results show that the short-term stability reaches 0.01°, and long-term stability reaches 0.02°. The final application distance is nearly 378 kilometers.

• Periodical: Applied Mechanics and Materials (Volumes 303-306)
• Pages: 676-684
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.303-306.676
• Online since: February 2013
• Authors: Chun Hui Gong, Guo Qiang Zeng, Liang Quan Ge, Cheng Jun Tan, Qun Luo, Xi Yao Liu, Ming Fei Chen
• Keywords: General Packet Radio Service (GPRS), Inclination Monitoring, MEMS, SCA103T, Zigbee Wireless Network

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