Road network level pavement flatness detection method based on multi-vehicle crowdfunding vibration data
A technology of vibration data and detection methods, applied in the direction of roads, roads, road repair, etc., can solve the problems of difficult data processing, low stability of results, and high efficiency, so as to improve the coverage and measurement efficiency, reduce the consumption of manpower and material resources, The effect of high detection efficiency
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[0050] With the popularity of smart phone devices, the use of three-axis accelerometers, gyroscopes, positioning modules, etc. equipped with smart phones to collect vibration and position information of vehicles, these data directly or indirectly reflect the level of smoothness of the road surface, providing a possibility for large-scale, high-frequency road network level flatness perception. With the promotion of the "Internet +" travel service model, a large number of traffic trips have spawned a large number of high-frequency, wide-coverage, low-cost massive on-board mobile phone crowdfunding data. Although crowdfunding data is lower than professional equipment in terms of single-point acquisition accuracy, due to its huge volume, it can often reflect the stable characteristics of the environment. Compared with the flatness measurement method based on bicycle mobile phones, the road surface flatness perception method based on crowdfunding data can effectively improve the covera...
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