A New Positioning System for Traffic Accident Scene Investigation Integrated with RFID and WSN

Abstract:

In traffic accident scene investigation, the traditional measuring and positioning methods cannot meet current requirement for efficiency and effectiveness. Which means the Investigators need use tape to measure the distance between accident factors and reference points, and then mark the corresponding elements -- dots, straight lines, curves, closed curves and so on - on the diagram for traffic accident scene investigation. A new radio location system integrated with RFID and WSN has been established to solve the problem. The function of RFID is to clearly mark the ID, attribute and affiliation; WSN to acquire locations of factors from the sensors; ZIGBEE to transmit the combined data (RFID and WSN data) to computers through networks. Using special software to automatically processing the received data for a visualized location map, including the following processes of A) locating survey marks with the geometric algorithm. B) Defining the types of survey marks, such as isolated points, line end points, curve end points, intermediate points etc. C) Classifying the survey marks, such as front wheels, rear wheels, skid marks, body locations, position of fallout etc.

• Periodical: Applied Mechanics and Materials (Volumes 602-605)
• Pages: 2495-2499
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.602-605.2495
• Online since: August 2014
• Authors: Hong Song*, Jun Tang, Jian Xiong Ming, Wei Jian Duan, Zhi Yong Yin
• Keywords: Investigation, Radio Frequency Identification (RFID), Road Traffic Accidents, Wireless Positioning, Wireless Sensor Network (WSN), ZigBee

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