【摘要】：隨著社會(huì)經(jīng)濟(jì)持續(xù)發(fā)展、城市化進(jìn)程加速推進(jìn)、城市規(guī)模不斷擴(kuò)大,城市空間的組織也逐步發(fā)生著變化。城市功能分區(qū)日益顯著,生活區(qū)域與生產(chǎn)區(qū)域的分離導(dǎo)致人員與物資在不同區(qū)域之間流動(dòng);生活與生產(chǎn)空間不斷擴(kuò)大,城市內(nèi)部形成組團(tuán)、中心城市不斷向周邊輻射形成城市群,組團(tuán)之間及城市群內(nèi)部人員與物資流動(dòng)的空間距離也在逐步加大,時(shí)間日益集中,原有以公路交通運(yùn)輸為主要方式完成人員和物資流動(dòng)帶來(lái)的道路交通擁堵的矛盾日益突出。城市軌道交通因全覆蓋、高密度、大運(yùn)量、全天候、高效率、低污染等特點(diǎn)成為解決這一矛盾的新選擇,得到迅速發(fā)展。近十年來(lái),電子商務(wù)迅猛發(fā)展,網(wǎng)絡(luò)購(gòu)物成為生活消費(fèi)重要內(nèi)容,由此帶來(lái)人們對(duì)城市配送需求規(guī)模的不斷擴(kuò)大,人們對(duì)配送服務(wù)需求也日趨多樣化,特別是對(duì)時(shí)效性、方便性的要求越來(lái)越高。但現(xiàn)有以公路運(yùn)輸為主要運(yùn)輸方式的城市配送卻面臨著配送過(guò)程的道路擁堵,配送延遲甚至中斷,配送便利體驗(yàn)日益變差,企業(yè)配送成本水平一直居高不下,配送服務(wù)質(zhì)量與水平不升反降等問(wèn)題。城市軌道交通能夠較好解決城市人員集中、快速、方便出行,能否利用城市軌道交通空閑資源開(kāi)展城市配送服務(wù),將軌道交通運(yùn)輸優(yōu)勢(shì)運(yùn)用于物資的流動(dòng)?本文根據(jù)城市軌道交通全覆蓋、高密度、大運(yùn)量、全天候、高效率、低污染等特點(diǎn),結(jié)合城市軌道交通路網(wǎng)結(jié)構(gòu)、覆蓋范圍、時(shí)間資源、空間資源、設(shè)施設(shè)備等條件,對(duì)將城市軌道運(yùn)輸納入城市配送體系,構(gòu)建城市配送服務(wù)網(wǎng)絡(luò)進(jìn)行了探索研究。主要研究?jī)?nèi)容如下:(1)由配送的定義、產(chǎn)生與發(fā)展,引出城市配送的范圍界定由空間距離向時(shí)空距離的轉(zhuǎn)變;闡述了社會(huì)經(jīng)濟(jì)發(fā)展,城市化進(jìn)程加劇以及電子商務(wù)崛起等原因?qū)е碌某鞘信渌托枨笞兓?論述以公路運(yùn)輸為主的城市配送運(yùn)輸方式難以滿足變化的需求,從而引入基于軌道運(yùn)輸?shù)某鞘信渌透拍?并闡述其可行性。(2)描述基于軌道運(yùn)輸?shù)某鞘信渌途W(wǎng)絡(luò)的構(gòu)建思路,對(duì)網(wǎng)絡(luò)中的配送節(jié)點(diǎn)、通道進(jìn)行定義,分析通道選擇的影響因素。(3)運(yùn)用鄰接矩陣與關(guān)聯(lián)矩陣對(duì)基于軌道運(yùn)輸?shù)某鞘信渌途W(wǎng)絡(luò)圖進(jìn)行描述;分析基于軌道運(yùn)輸?shù)某鞘信渌蛷V義路徑費(fèi)用,定義有效路徑;對(duì)深度優(yōu)先路徑搜索算法進(jìn)行改進(jìn),通過(guò)改進(jìn)的算法在簡(jiǎn)化的配送網(wǎng)絡(luò)圖中搜索有效路徑的換乘路線,并還原至完整路徑;通過(guò)有效路徑計(jì)算關(guān)鍵路段,將其設(shè)置為暫存節(jié)點(diǎn);以有效路徑集合為備選路徑集合,以費(fèi)用最小為目標(biāo),首先構(gòu)建無(wú)容量限制的通道選擇模型,其次,在無(wú)容量限制的通道選擇模型基礎(chǔ)上,考慮路段運(yùn)載能力、換乘節(jié)點(diǎn)換乘能力等因素,進(jìn)行通道選擇,構(gòu)建考慮容量限制的通道選擇模型。
[Abstract]:With the sustainable development of society and economy, the process of urbanization accelerates, the scale of city expands and the organization of urban space changes gradually. Urban functional zoning is becoming more and more prominent, and the separation of living areas from production areas leads to the movement of people and materials between different regions, and the expansion of living and production space, the formation of groups within cities, Central cities continue to radiate to the periphery to form urban agglomerations, and the spatial distance between groups and within urban agglomerations is gradually increasing, and time is increasingly concentrated. The contradiction of road traffic congestion caused by the completion of people and goods flow by road transportation is becoming more and more prominent. Due to the characteristics of full coverage, high density, large capacity, all-weather, high efficiency and low pollution, urban rail transit has become a new choice to solve this contradiction and has been developed rapidly. In the past ten years, with the rapid development of electronic commerce, online shopping has become an important part of life consumption. As a result, the scale of people's demand for urban distribution has been expanding, and the demand for distribution services has become increasingly diversified, especially for timeliness. The demand for convenience is getting higher and higher. However, the existing urban distribution with road transportation as the main mode of transportation is facing the road congestion of the distribution process, the delay or even interruption of distribution, the increasingly poor distribution convenience experience, and the high cost level of enterprise distribution. Distribution service quality and level of decline and other issues. Urban rail transit can better solve the urban personnel concentration, rapid, convenient travel, can use urban rail transit spare resources to carry out urban distribution services, rail transport advantages in the flow of goods? According to the characteristics of urban rail transit, such as full coverage, high density, large capacity, all-weather, high efficiency, low pollution and so on, combined with urban rail transit network structure, coverage range, time resources, space resources, facilities and equipment, etc. In this paper, the urban rail transit is brought into the urban distribution system and the urban distribution service network is constructed. The main research contents are as follows: (1) from the definition of distribution, the generation and development of urban distribution, the definition of the scope of urban distribution from the spatial distance to the space-time distance change, the social and economic development, The urban distribution demand changes caused by the intensification of urbanization process and the rise of electronic commerce. It is discussed that the urban distribution transportation mode based on road transportation is difficult to meet the changing demand, so the concept of urban distribution based on rail transportation is introduced. And expatiate its feasibility. (2) describe the train of thought of constructing the urban distribution network based on rail transportation, define the distribution node and channel in the network, The influence factors of channel selection are analyzed. (3) using adjacency matrix and correlation matrix to describe the urban distribution network chart based on rail transit, analyzing the generalized route cost of urban distribution based on rail transportation, defining the effective path; The depth first path search algorithm is improved, the transfer route of the effective path is searched in the simplified distribution network diagram, and restored to the complete path, and the key section is calculated by the effective path, which is set as the temporary node. Taking the effective path set as the alternative path set, taking the minimum cost as the goal, a channel selection model with no capacity restriction is first constructed. Secondly, based on the channel selection model without capacity restriction, the transport capacity of road section is considered. The channel selection model considering the capacity limitation is constructed by selecting the channel and other factors such as the transfer capacity of the transfer node.
【學(xué)位授予單位】：重慶工商大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：U294

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