[1]王立晓,刘 锴,森川高行.浮动车和固定检测两种数据源的差异特征[J].哈尔滨理工大学学报,2013,(05):91-97.
 WANG Li- xiao,LIU Kai,MORIKAWA Takayuki.A Study on the Difference and Feature of Probe VehiclesData and Fixed Point Data[J].哈尔滨理工大学学报,2013,(05):91-97.
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浮动车和固定检测两种数据源的差异特征()
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2013年05期
页码:
91-97
栏目:
电气与电子工程
出版日期:
2013-10-25

文章信息/Info

Title:
A Study on the Difference and Feature of Probe Vehicles
Data and Fixed Point Data
作者:
王立晓1 刘 锴2 森川高行3
1. 新疆大学 建筑工程学院,新疆乌鲁木齐 830049; 2. 大连理工大学 交通运输学院,辽宁 大连 116024;
3. 日本名古屋大学 环境学研究科,名古屋 464 -8603
Author(s):
WANG Li- xiao1 LIU Kai2 MORIKAWA Takayuki3
1. School of Civil Engineering and Architecture,Xinjiang University,Urumqi 830049,China;
2. School of Transportation and Logistics,Dalian University of Technology,Dalian 116024,China;
3. Graduate School of Environmental Studies,Nagoya University,Nagoya,464 - 8603,Japan
关键词:
交通信息 多元数据 差异分析 误差机理
Keywords:
transport information multi source data difference analysis error mechanism
分类号:
U495
文献标志码:
A
摘要:
摘 要:为了深入探索浮动车和固定检测数据融合无法避免的精确度稳定性问题, 详细地讨论
了使用两种数据进行路段行程速度估计的差异特征及其产生机理. 以日本名古屋市浮动车系统和
固定检测器( vehicle information communication system, VICS) 估计得到的行程速度数据为研究对象,
应用回归模型分析了两种数据源交通信息的一致性及差异性, 进一步分析了两种数据源产生差异
的影响因素. 结果表明, 浮动车抽样样本差异 VICS 传输时间滞后 VICS 设置上限值等是导致两数
据源的观测结果存在差异的主要原因, 对于不同路段其差异产生的机理也不尽相同; 忽视数据源采
集和处理过程中的误差遗传, 而采取单一的数据融合算法将难以提高信息融合的精确度.
Abstract:
Abstract: In order to explore the issue of accuracy variability of fusing probe vehicle data and fixed detector
data,the difference and feature,as well as the mechanisms,of link travel speeds which estimated from both data
are discussed,two kinds of dynamic travel speed data in Nagoya,Japan,that observed from probe vehicles and
fixed point observed VICS ( Vehicle Information Communication System) data,are compared and explored. The
consistency and differences of link travel speed estimated from two data resources are analyzed using regression
model. The influence factors are further explored. Results reveal that great differences in traffic information do exist
between two data sources,due to the main reasons such like the sample size of probe vehicle and the uncertainty in
sampled probe vehicles,the delay transmission of VICS,and the manual setting upper bound travel speeds of VICS
system. Noted that the error mechanisms for different sections are distinguished with each other,it is easy to under-
stand that using a general fusion algorithm cannot always improve fusing accuracy for all road links if ignoring errors
propagation during data collection and processing.

备注/Memo

备注/Memo:
国家自然科学青年基金( 51108398, 51008050) ; 新疆大学博士启动基金( BS100126 ) ; 中央高校基本科研业务费专项资金
( DUT09RC( 3) 347, DUT12ZD203) .
更新日期/Last Update: 2013-12-26