平面交叉口電動自行車交通沖突模型研究
發(fā)布時間:2018-07-16 19:27
【摘要】:為研究電動自行車在交叉口的安全特性,減少交通管理中的安全隱患,在運用TCT技術(shù)分析電動自行車交通特性的基礎(chǔ)上,通過實地調(diào)研7個典型的四相位信號控制平面十字形交叉口,利用SPSS軟件分別選取線性、多項式及指數(shù)函數(shù)對電動自行車的交通沖突調(diào)查數(shù)據(jù)進行擬合,構(gòu)建了電動自行車的交叉口交通沖突模型。最后,結(jié)合所獲得的交通沖突模型的各項參數(shù),運用歐幾里德貼進度評價方法,建立了交通沖突強度的評價模型,該模型可用于評估交叉口路段電動自行車的運行安全性。結(jié)果表明,散點化的比較方法不僅可以對同一交叉口的不同進(出)口道的電動自行車交通沖突強度進行分析,還能對不同交叉口同一沖突類型的安全狀況進行對比評價。
[Abstract]:In order to study the safety characteristics of electric bicycle at intersection and reduce the hidden danger in traffic management, the traffic characteristics of electric bicycle are analyzed by using TCT technology. Through investigating seven typical four-phase signal control plane cross intersections, using SPSS software to select linear, polynomial and exponential function respectively to fit the traffic conflict investigation data of electric bicycle. The traffic conflict model of electric bicycle intersection is constructed. Finally, according to the parameters of the traffic conflict model, the Euclidean schedule evaluation method is used to establish the evaluation model of traffic conflict intensity. The model can be used to evaluate the safety of electric bicycle at intersections. The results show that the comparison method can not only analyze the traffic conflict intensity of electric bicycle at the same intersection, but also compare and evaluate the safety of the same conflict type at the same intersection.
【作者單位】: 西南交通大學交通運輸與物流學院;
【分類號】:U492.8
本文編號:2127436
[Abstract]:In order to study the safety characteristics of electric bicycle at intersection and reduce the hidden danger in traffic management, the traffic characteristics of electric bicycle are analyzed by using TCT technology. Through investigating seven typical four-phase signal control plane cross intersections, using SPSS software to select linear, polynomial and exponential function respectively to fit the traffic conflict investigation data of electric bicycle. The traffic conflict model of electric bicycle intersection is constructed. Finally, according to the parameters of the traffic conflict model, the Euclidean schedule evaluation method is used to establish the evaluation model of traffic conflict intensity. The model can be used to evaluate the safety of electric bicycle at intersections. The results show that the comparison method can not only analyze the traffic conflict intensity of electric bicycle at the same intersection, but also compare and evaluate the safety of the same conflict type at the same intersection.
【作者單位】: 西南交通大學交通運輸與物流學院;
【分類號】:U492.8
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