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基于不同出行者預(yù)留時間的路網(wǎng)行程時間可靠性研究

發(fā)布時間:2018-08-26 19:49
【摘要】:隨著城市的發(fā)展和交通網(wǎng)絡(luò)的擴張,交通供求矛盾日益突出,如何提高城市路網(wǎng)運行的可靠性也受到越來越多的關(guān)注。作為城市道路的使用者,不同類型的出行者會表現(xiàn)出不同的出行選擇行為,對事物的認(rèn)知不同,因此不同類型出行者的預(yù)留時間會不同。預(yù)留時間是行程時間可靠性的評價指標(biāo),可以反映路網(wǎng)的隨機性和行程時間的穩(wěn)定性,從而使具有不同預(yù)留時間的出行者對路網(wǎng)行程時間可靠性的評價有所區(qū)別,因此,基于出行者的預(yù)留時間合理劃分出行者類型,研究不同類型出行者的路網(wǎng)行程時間可靠性問題更具有現(xiàn)實意義。通過分析現(xiàn)有研究,歸納總結(jié)出五類影響路網(wǎng)行程時間可靠性的因素,闡明了預(yù)留時間與行程時間可靠性的關(guān)系,然后通過從出行者路徑選擇行為和交通網(wǎng)絡(luò)設(shè)計層面總結(jié)出四種不同的出行者類型劃分方式,并對每種劃分方式存在的不足做了具體分析,由此提出基于預(yù)留時間的出行者類型劃分方式,給出了基于預(yù)留時間的出行者類型劃分流程,為實際路網(wǎng)中的出行者類型劃分提供理論基礎(chǔ)。結(jié)合理論分析明確了基于聚類分析的出行者類型劃分方法,并構(gòu)建了基于預(yù)留時間的離散選擇模型,為出行者預(yù)留時間影響因素的分析提供理論依據(jù)。為了進一步分析不同類型出行者的路網(wǎng)行程時間可靠性,構(gòu)建了基于預(yù)留時間的多類用戶交通分配模型,并結(jié)合基于預(yù)留時間的路網(wǎng)行程時間可靠性計算公式,用于評價路網(wǎng)的整體性能。以深圳市南山區(qū)某一區(qū)域路網(wǎng)為例,結(jié)合SP(Stated Preference,SP)調(diào)查數(shù)據(jù)和構(gòu)建的模型,對實際路網(wǎng)中的出行者進行劃分,考慮不同類型出行者的特征,分析路網(wǎng)交通流量空間分布特征及路網(wǎng)行程時間可靠性,然后分析不同類型出行者比例的不同對路網(wǎng)行程時間可靠性產(chǎn)生的影響,為路網(wǎng)性能的合理評價和相關(guān)交通措施制定提供依據(jù)。
[Abstract]:With the development of city and the expansion of traffic network, the contradiction of traffic supply and demand is becoming more and more prominent, and how to improve the reliability of urban road network is paid more and more attention. As the users of urban roads, different types of travelers will show different travel choice behavior and different cognition of things, so the reservation time of different types of travelers will be different. Reservation time is the evaluation index of travel time reliability, which can reflect the randomness of road network and the stability of travel time. It is of practical significance to study the reliability of road network travel time of different types of travelers based on the reasonable classification of traveler's reserved time. By analyzing the existing research, five kinds of factors influencing the reliability of road network travel time are summarized, and the relationship between reservation time and travel time reliability is clarified. Then it summarizes four different types of travelers from the aspects of route selection behavior and traffic network design, and makes a specific analysis of the shortcomings of each type. Based on this, the paper puts forward the classification method of traveler type based on reserved time, and gives the flow of traveler type division based on reservation time, which provides a theoretical basis for the classification of traveller type in actual road network. Based on the theoretical analysis, this paper clarifies the classification method of travelers' types based on cluster analysis, and constructs a discrete selection model based on reservation time, which provides a theoretical basis for the analysis of influencing factors of traveler's reservation time. In order to further analyze the reliability of road network travel time of different types of travelers, a multi-class user traffic assignment model based on reservation time is constructed, and the calculation formula of road network travel time reliability based on reserved time is combined. Used to evaluate the overall performance of the network. Taking a regional road network in Nanshan District of Shenzhen City as an example, combining with the survey data and the model constructed by SP (Stated Preference,SP, this paper classifies the travelers in the actual road network and considers the characteristics of different types of travelers. The spatial distribution characteristics of road network traffic flow and the reliability of road network travel time are analyzed, and then the influence of different proportion of different types of travelers on road network travel time reliability is analyzed. It provides the basis for the reasonable evaluation of road network performance and the formulation of relevant traffic measures.
【學(xué)位授予單位】:哈爾濱工業(yè)大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:U491

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