Monitoring Traffic Information with a Developed Acceleration Sensing Node
AbstractIn this paper, an acceleration sensing node for pavement vibration was developed to monitor traffic information, including vehicle speed, vehicle types, and traffic flow, where a hardware design with low energy consumption and node encapsulation could be accomplished. The service performance of the sensing node was evaluated, by methods including waterproof test, compression test, sensing performance analysis, and comparison test. The results demonstrate that the sensing node is low in energy consumption, high in strength, IPX8 waterproof, and high in sensitivity and resolution. These characteristics can be applied to practical road environments. Two sensing nodes were spaced apart in the direction of travelling. In the experiment, three types of vehicles passed by the monitoring points at several different speeds and values of d (the distance between the sensor and the nearest tire center line). Based on cross-correlation with kernel pre-smoothing, a calculation method was applied to process the raw data. New algorithms for traffic flow, speed, and axle length were proposed. Finally, the effects of vehicle speed, vehicle weight, and d value on acceleration amplitude were statistically evaluated. It was found that the acceleration sensing node can be used for traffic flow, vehicle speed, and other types of monitoring. View Full-Text
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Ye, Z.; Wang, L.; Xu, W.; Gao, Z.; Yan, G. Monitoring Traffic Information with a Developed Acceleration Sensing Node. Sensors 2017, 17, 2817.
Ye Z, Wang L, Xu W, Gao Z, Yan G. Monitoring Traffic Information with a Developed Acceleration Sensing Node. Sensors. 2017; 17(12):2817.Chicago/Turabian Style
Ye, Zhoujing; Wang, Linbing; Xu, Wen; Gao, Zhifei; Yan, Guannan. 2017. "Monitoring Traffic Information with a Developed Acceleration Sensing Node." Sensors 17, no. 12: 2817.
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