斷面車路通訊環(huán)境下的恒速車流運行模型
發(fā)布時間：2018-11-26 21:31
【摘要】：從流量角度,在假設(shè)車速恒定的基礎(chǔ)上建立了車流運行模型,并以該模型預(yù)測和實際到達的流量分布之間的最大流量區(qū)間變異系數(shù)為評價指標,分析了路段上游數(shù)據(jù)收集斷面位置、路段長度、交通流量和不同轉(zhuǎn)向車流對預(yù)測效果的影響.與靜態(tài)勻速模型的對比分析結(jié)果表明:數(shù)據(jù)收集斷面位置和路段長度對模型的預(yù)測效果影響很小,且不同交通流量和轉(zhuǎn)向車流情況下模型預(yù)測存在一定規(guī)律性.最后結(jié)合實際調(diào)查數(shù)據(jù),證實了模型的有效性.
[Abstract]:From the point of view of flow, a traffic flow operation model is established on the basis of the assumption of constant speed, and the maximum flow interval variation coefficient between the prediction of the model and the actual flow distribution is taken as the evaluation index. The effects of section location, length of section, traffic flow and different steering vehicle flow on the prediction results are analyzed. The results of comparison with the static uniform speed model show that the location of the section and length of the section of the data collection have little influence on the prediction effect of the model, and there are some regularity in the prediction of the model with different traffic flow and steering vehicle flow. Finally, the validity of the model is verified by the actual investigation data.
【作者單位】： 西南交通大學(xué)交通運輸與物流學(xué)院;西南交通大學(xué)綜合交通運輸智能化國家地方聯(lián)合工程實驗室;同濟大學(xué)交通運輸工程學(xué)院;
【基金】：2015年國家大學(xué)生創(chuàng)新創(chuàng)業(yè)訓(xùn)練計劃(201510613045) 2016省級創(chuàng)新訓(xùn)練項目(2016152)
【分類號】：U491
[Abstract]:From the point of view of flow, a traffic flow operation model is established on the basis of the assumption of constant speed, and the maximum flow interval variation coefficient between the prediction of the model and the actual flow distribution is taken as the evaluation index. The effects of section location, length of section, traffic flow and different steering vehicle flow on the prediction results are analyzed. The results of comparison with the static uniform speed model show that the location of the section and length of the section of the data collection have little influence on the prediction effect of the model, and there are some regularity in the prediction of the model with different traffic flow and steering vehicle flow. Finally, the validity of the model is verified by the actual investigation data.
【作者單位】： 西南交通大學(xué)交通運輸與物流學(xué)院;西南交通大學(xué)綜合交通運輸智能化國家地方聯(lián)合工程實驗室;同濟大學(xué)交通運輸工程學(xué)院;
【基金】：2015年國家大學(xué)生創(chuàng)新創(chuàng)業(yè)訓(xùn)練計劃(201510613045) 2016省級創(chuàng)新訓(xùn)練項目(2016152)
【分類號】：U491
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