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基于空間分析模型的物流配送研究

發(fā)布時間:2018-08-13 16:07
【摘要】:城市物流是以城市為依托的區(qū)域物流,是城市經(jīng)濟發(fā)展的基礎(chǔ)之一。在一些地區(qū),常常由于交通運輸不便、空間規(guī)劃不合理,導(dǎo)致物流費用太高,,造成各種產(chǎn)品的滯銷,對城市經(jīng)濟造成了很大的損失,因此做好城市物流的空間規(guī)劃,提升物流產(chǎn)業(yè)的發(fā)展水平,顯得尤為重要。 現(xiàn)今的地理信息系統(tǒng)(Geographic Information System,GIS)軟件都具有強大的空間分析功能,將地理信息系統(tǒng)中的空間分析模型應(yīng)用到物流領(lǐng)域中,能夠幫助解決實際的物流配送問題,并提供決策支持。通過在物流領(lǐng)域進行合理的空間分析和規(guī)劃,實現(xiàn)一些物流中心選址、配送路徑優(yōu)化、配送區(qū)域劃分的功能,為物流企業(yè)降低成本、提高服務(wù)效率。 本文采用ArcGIS系列軟件,搭建了基于空間分析模型的物流配送系統(tǒng)平臺,并實現(xiàn)了部分功能模塊。在物流配送中心選址模塊中,比較分析了重心法、微分法等常用算法,并考慮實際交通因素和成本因素,對算法進行了改進。通過該模塊,可方便物流企業(yè)在候選的物流配送中心地址中,選出最優(yōu)的、符合經(jīng)濟效益的物流配送中心。 在配送路徑優(yōu)化模塊中,通過分析比較多種啟發(fā)式算法,對最優(yōu)路徑的算法進行改進,提高了運算效率。該模塊用于在系統(tǒng)中計算配送中心到客戶的最優(yōu)路徑,通過對配送路徑的優(yōu)化,能夠降低配送成本和配送時間。 在配送區(qū)域劃分模塊中,設(shè)計算法劃分出各配送中心的配送區(qū)域,對客戶選擇配送中心提供決策支持,通過統(tǒng)計各中心配送區(qū)域中客戶的需求量,更好的規(guī)劃控制配送中心的倉儲量,減少資源浪費。 按照ArcEngine的開發(fā)流程,利用C#語言,設(shè)計并編程實現(xiàn)了基于GIS空間分析模型的物流配送原型系統(tǒng),包括基本的瀏覽、查詢功能,以及物流配送中心選址模塊、配送路徑優(yōu)化模塊和配送區(qū)域劃分模塊,各功能模塊協(xié)同操作,運行穩(wěn)定。 本文對GIS空間分析模型的應(yīng)用,能幫助物流企業(yè)節(jié)約資源、降低成本、提高效率,設(shè)計實現(xiàn)的部分算法功能為物流管理系統(tǒng)的集成做準(zhǔn)備。將空間規(guī)劃方法和空間分析模型運用到物流領(lǐng)域,是現(xiàn)代物流技術(shù)發(fā)展的必然趨勢。
[Abstract]:Urban logistics is a regional logistics based on city, which is one of the bases of urban economic development. In some areas, due to the inconvenience of transportation and unreasonable spatial planning, the logistics costs are too high, resulting in unsalable products and great losses to the urban economy. Therefore, the spatial planning of urban logistics is well done. It is very important to improve the development level of logistics industry. Nowadays, the (Geographic Information system GIS software has powerful spatial analysis function. Applying the spatial analysis model of GIS to the logistics field can help solve the actual logistics distribution problems and provide decision support. Through reasonable spatial analysis and planning in the field of logistics, some functions of location of logistics center, optimization of distribution route and division of distribution area are realized, which can reduce cost and improve service efficiency for logistics enterprises. In this paper, ArcGIS software is used to build a logistics distribution system platform based on spatial analysis model, and some functional modules are implemented. In the location module of logistics distribution center, the common algorithms, such as barycenter method and differential method, are compared and analyzed, and the algorithm is improved by taking into account the actual traffic factors and cost factors. Through this module, it is convenient for logistics enterprises to select the best and economic distribution center in the candidate logistics distribution center address. In the module of distribution path optimization, the algorithm of optimal path is improved by analyzing and comparing many heuristic algorithms, and the operation efficiency is improved. The module is used to calculate the optimal path from the distribution center to the customer in the system. By optimizing the distribution path, the cost and time of distribution can be reduced. In the distribution region division module, the algorithm is designed to divide the distribution area of each distribution center, to provide decision support for the customer to select the distribution center, and to calculate the customer's demand in the distribution area of each center. Better planning to control distribution center storage volume, reduce waste of resources. According to the development process of ArcEngine, the prototype system of logistics distribution based on GIS spatial analysis model is designed and programmed by using C # language, including basic browsing, query function and location module of logistics distribution center. Distribution path optimization module and distribution area division module, each functional module coordinated operation, stable operation. In this paper, the application of GIS spatial analysis model can help logistics enterprises save resources, reduce costs, improve efficiency, design and realize part of the algorithm for logistics management system integration. It is an inevitable trend of the development of modern logistics technology to apply spatial planning method and spatial analysis model to the field of logistics.
【學(xué)位授予單位】:清華大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2013
【分類號】:F252.1;P208

【參考文獻】

相關(guān)期刊論文 前10條

1 魯曉春,詹荷生;關(guān)于配送中心重心法選址的研究[J];北方交通大學(xué)學(xué)報;2000年06期

2 彭珊

本文編號:2181493


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