基于多传感器信息融合的里程桩定位技术研究

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Abstract Mileage piles is an effective flag to pavement information positioning. However, the problems in positioning inaccuracies and error accumulation remain. By analyzing the primary errors in traditional mileage positioning, a positioning technology of mileage piles based on multi-sensor information fusion was proposed. This can avoid the accumulation of errors in every kilometer using GPS and road environment video. The gyroscope was used as a substitute when the GPS signal is missing and was also used to correct the swing error. The hectometer stake can be obtained by interpolating with the data of the photoelectric encoder. Experiments showed that the maximum mileage piles positioning error did not go over 1 m and the maximum hectometer stakes mileage piles positioning error did not go over 2.5 m.

Key words： road engineering mileage piles positioning GPS gyroscope photoelectric encoder

Received: 28 August 2015

Fund:Supported by the Road and Transport R&D Project for Western Regions of China Commissioned by Ministry of Transport (No:2014 318 J21 060)

Corresponding Authors: MA Rong-gui,E-mail:rgma@chd.edu.cn E-mail: rgma@chd.edu.cn

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	MA Rong-gui
	MA Zi-han
	WANG Yi-xin

Cite this article:

MA Rong-gui,MA Zi-han,WANG Yi-xin. Study on Positioning Technology of Mileage Piles Based on Multi-sensor Information Fusion[J]. Journal of Highway and Transportation Research and Development, 2016, 10(4): 7-12.

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http://manu27.magtech.com.cn/Jwk_gljtkj_en/EN/ OR http://manu27.magtech.com.cn/Jwk_gljtkj_en/EN/Y2016/V10/I4/7

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