考慮首末站約束和站間客流強(qiáng)度的公交線網(wǎng)優(yōu)化
[Abstract]:In order to solve the problem that there is no quantitative relationship between reachability and passenger flow demand in the research of reachability, and the location of the first and last station in the actual public transport network is not considered, the concept of generalized reachability is put forward, and the reachability index is introduced. On the basis of this, a public transit network accessibility optimization model with the best matching and maximum reachability value of passenger flow intensity and reachability intensity is established, and the location requirement of the first and last station is taken as the constraint. A genetic algorithm for solving the model is designed, and the model and algorithm are verified by an example. The results show that the optimal scheme of bus network after considering the relationship between reachability and passenger flow and the constraint conditions of the first and last stations, the matching degree between the reachability and the passenger flow intensity is 1.57 higher than that of the bus network optimization scheme which does not take into account the above conditions. And the final optimization scheme meets the position constraint condition of the first and last station layout; In the design and optimization of bus network, considering the relationship between reachability and passenger flow can effectively improve the matching degree between network layout and passenger flow travel demand, so that the proportion of direct travel in the network is increased, and the passenger travel is more convenient. According to the actual situation that the first and last stations should be located in or near the bus yard in the process of planning and optimization of the bus network, adding the constraint conditions of the layout of the first and last stations can make the final optimization of the network consistent with the actual situation. The study provides an auxiliary decision method for the design and optimization of bus network. This method takes into account the passenger travel demand and the layout of the first and last station of the bus network, so that the final optimization results are more in line with the actual needs.
【作者單位】: 西南交通大學(xué)交通運(yùn)輸與物流學(xué)院;西南交通大學(xué)綜合交通運(yùn)輸智能化國家地方聯(lián)合工程實(shí)驗(yàn)室;
【基金】:國家自然科學(xué)基金項(xiàng)目(51578465);國家自然科學(xué)基金青年項(xiàng)目(71402149) 西南交通大學(xué)研究生創(chuàng)新實(shí)驗(yàn)實(shí)踐項(xiàng)目(YC201507106)
【分類號】:U491.17
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