城市公交組合調(diào)度模型研究
發(fā)布時間:2018-03-26 19:41
本文選題:公共交通 切入點:區(qū)間車 出處:《長安大學》2015年碩士論文
【摘要】:隨著社會經(jīng)濟的迅速發(fā)展,乘客的出行需求明顯增加,由于交通需求在時間上和空間上的不均衡性,以及人們對出行質(zhì)量的要求越來越高,傳統(tǒng)公共交通已經(jīng)很難滿足人們的出行需要,通過合理配置不同線路上公交車輛的調(diào)度形式及數(shù)量,制定科學的運營調(diào)度策略,能夠有效地解決在公交車輛運力和乘客需求運量之間的矛盾,因此,積極研究城市公交組合調(diào)度問題具有重要的理論意義和現(xiàn)實意義。本文首先從國內(nèi)外學者在公交組合調(diào)度方面取得的成果入手,指出公交車輛的幾種調(diào)度形式,并分析公交車輛組合調(diào)度的影響因素。介紹客流調(diào)查的內(nèi)容、種類及方法,以客流數(shù)據(jù)為基礎來判定公交車輛的組合調(diào)度形式。以乘客出行成本與公交公司成本之和為優(yōu)化目標,以相鄰車次的發(fā)車間隔為變量,建立三種區(qū)間車組合調(diào)度模型,在模型中全程車發(fā)車數(shù)量與區(qū)間車發(fā)車數(shù)量的比值為m,m取值不同代表不同的發(fā)車模式,最后利用MATLAB對模型求解,得到模型的最優(yōu)解及發(fā)車間隔,進而制定組合調(diào)度發(fā)車時刻表。本文以西安市36路公交線路為例,對模型進行驗證,并和單一調(diào)度的計算結果進行對比。從滿載率、乘客成本和公交成本等幾個方面進行具體分析,結果表明,所建模型能有效的減少系統(tǒng)成本,在平衡車輛滿載率方面也有良好的效果,和單一調(diào)度相比,區(qū)間車組合調(diào)度可以減小公交車隊規(guī)模。除此之外,當客流不均衡性增大時,模型可以更大幅度的節(jié)約成本,這也進一步驗證了模型的有效性和實用性。
[Abstract]:With the rapid development of social economy, the travel demand of passengers increases obviously, because of the imbalance of transportation demand in time and space, and the higher and higher demand for travel quality. Traditional public transportation has been difficult to meet people's travel needs, through the rational allocation of different lines of public transport vehicle scheduling form and number, to formulate a scientific operation scheduling strategy. Can effectively solve the conflict between the capacity of public transport vehicles and passenger demand, therefore, It is of great theoretical and practical significance to actively study the problem of urban public transport combination scheduling. Firstly, this paper starts with the achievements of scholars at home and abroad in bus combination scheduling, and points out several dispatching forms of public transport vehicles. It also analyzes the influencing factors of bus vehicle combination dispatching, and introduces the contents, types and methods of passenger flow investigation. Based on the passenger flow data, the combined dispatching mode of public transport vehicles is determined. Taking the sum of passenger travel cost and bus company cost as the optimization objective, taking the departure interval of adjacent trains as variables, the combined dispatching model of three interval vehicles is established. In the model, the ratio of the total number of trains to the number of interval vehicles is different, which means different departure modes. Finally, the model is solved by MATLAB, and the optimal solution and departure interval of the model are obtained. Then the combined dispatch schedule is worked out. Taking 36 bus lines in Xi'an as an example, the model is verified and compared with the calculation results of single dispatching. The results show that the model can effectively reduce the system cost, and has a good effect in balancing the full load rate of the vehicle, compared with the single scheduling, the results show that the model can effectively reduce the cost of the system, and has a good effect in balancing the full load rate of the vehicle. In addition, when the disequilibrium of passenger flow increases, the model can save more cost, which further verifies the validity and practicability of the model.
【學位授予單位】:長安大學
【學位級別】:碩士
【學位授予年份】:2015
【分類號】:U492.22
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