| 路面车辙多路传感器检测误差分析 |
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| 引用本文： | 马荣贵,沙爱民,宋宏勋.路面车辙多路传感器检测误差分析[J].长安大学学报(自然科学版),2007,27(3):34-36,41. |
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| 作者姓名： | 马荣贵 沙爱民 宋宏勋 |
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| 作者单位： | 1. 长安大学,信息工程学院,陕西,西安,710064
2. 长安大学,公路学院,陕西,西安,710064 |
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| 基金项目： | 国家西部交通建设科技项目 |
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| 摘 要： | 为评价车辙检测误差，分析了多路传感器车辙检测原理，通过研究车辙的统计分布，应用双余弦车辙数学模型计算分析，得出了传感器横向布置数目与车辙检测最大误差的关系。结果表明：当横向布置传感器数目较小时，车辙误差主要由采样点有限引起的不重合误差决定；当传感器数目较大时，车辙误差主要由位移传感器的测量准确度决定；随着传感器数目的增加，车辙测量最大误差在传感器数目小于21时减小较快，在传感器数目大于33时衰减缓慢。
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| 关 键 词： | 道路工程 路面 车辙 检测 误差分析 多路传感器 |
| 文章编号： | 1671-8879（2007）01-0034-03 |
| 收稿时间： | 2006-05-09 |
| 修稿时间： | 2006年5月9日 |
Error analysis in road rut measurement with multi-sensors |
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| MA Rong-gui,SHA Ai-min,SONG Hong-xun.Error analysis in road rut measurement with multi-sensors[J].JOurnal of Chang’an University:Natural Science Edition,2007,27(3):34-36,41. |
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| Authors: | MA Rong-gui SHA Ai-min SONG Hong-xun |
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| Abstract: | For estimating the road rut measurement errors,the rut's measuring method was developed with multi-sensors,the road rut statistical principle was discussed,the relation between the transverse sensors number and the maximal rut measurement errors was given with a mathematical model of bi-cosine.The results show that: the maximal rut measurement errors is mainly due to the sample's mismatching with the extreme value when the sensor number is smaller;when the sensors number is bigger it mainly due to the precision of the sensors.This errors decrease very fast when the sensors number is smaller than 21,and decrease slowly when the sensors number is bigger than 33.1 tab,4 figs,10 refs. |
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| Keywords: | road engineering pavement rut measurement error estimating multi-sensors |
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