基于路口轉(zhuǎn)彎流量的OD估計(jì)方法研究
發(fā)布時(shí)間:2018-10-10 14:49
【摘要】:機(jī)動(dòng)車起終點(diǎn)矩陣(Origin-Destination Matrix,OD矩陣)的估計(jì)是交通規(guī)劃和交通管理等工作的重要基礎(chǔ).本文主要研究在采集數(shù)據(jù)日漸精細(xì)情況下的機(jī)動(dòng)車OD估計(jì)方法.基于車牌識(shí)別數(shù)據(jù)提取出路口轉(zhuǎn)彎流量和路段斷面流量,在此基礎(chǔ)上建立應(yīng)用廣義最小二乘模型進(jìn)行機(jī)動(dòng)車OD估計(jì)的模型及方法.利用S-Paramics仿真平臺(tái)及實(shí)測(cè)數(shù)據(jù),應(yīng)用Nguyen Dupuis網(wǎng)絡(luò)和實(shí)際城市路網(wǎng)對(duì)本文研究的方法進(jìn)行了對(duì)比驗(yàn)證,分析對(duì)比驗(yàn)證了是否已知真實(shí)OD、不同的數(shù)據(jù)輸入類型、不同的已知檢測(cè)量的比例等.結(jié)果顯示,與使用路段流量相比,使用轉(zhuǎn)彎流量可以提高OD估計(jì)的準(zhǔn)確性.
[Abstract]:The estimation of Origin-Destination Matrix,OD matrix is an important basis for traffic planning and traffic management. In this paper, the vehicle OD estimation method based on the increasingly fine data acquisition is studied. Based on the license plate recognition data, the turning flow and section flow are extracted, and the model and method of vehicle OD estimation based on the generalized least square model are established. Using S-Paramics simulation platform and measured data, Nguyen Dupuis network and actual urban road network are used to compare and verify the methods studied in this paper. The analysis and comparison verify whether different data input types of real OD, are known. Different proportions of known measurements, etc. The results show that turning flow can improve the accuracy of OD estimation.
【作者單位】: 清華大學(xué)交通研究所;清華大學(xué)恒隆房地產(chǎn)研究中心;廊坊市交通警察支隊(duì);
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(71361130015) 國(guó)家科技支撐計(jì)劃課題(2014BAG03B03)
【分類號(hào)】:U491.1
[Abstract]:The estimation of Origin-Destination Matrix,OD matrix is an important basis for traffic planning and traffic management. In this paper, the vehicle OD estimation method based on the increasingly fine data acquisition is studied. Based on the license plate recognition data, the turning flow and section flow are extracted, and the model and method of vehicle OD estimation based on the generalized least square model are established. Using S-Paramics simulation platform and measured data, Nguyen Dupuis network and actual urban road network are used to compare and verify the methods studied in this paper. The analysis and comparison verify whether different data input types of real OD, are known. Different proportions of known measurements, etc. The results show that turning flow can improve the accuracy of OD estimation.
【作者單位】: 清華大學(xué)交通研究所;清華大學(xué)恒隆房地產(chǎn)研究中心;廊坊市交通警察支隊(duì);
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(71361130015) 國(guó)家科技支撐計(jì)劃課題(2014BAG03B03)
【分類號(hào)】:U491.1
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