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  本文選題：鐵路選線　切入點：最優(yōu)路徑　出處：《中南大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

【摘要】：鐵路選線最優(yōu)路徑問題屬于帶約束多目標最優(yōu)化問題,其最終方案的確定既要考慮科學(xué)技術(shù)因素、又要考慮社會經(jīng)濟因素,還要考慮自然環(huán)境因素。傳統(tǒng)的選線方法主要依靠設(shè)計者的經(jīng)驗和水平,對各種影響因素難以做到綜合權(quán)衡。隨著計算機技術(shù)的飛速發(fā)展和數(shù)字地圖的日漸興起,基于數(shù)字地圖的人機交互選線設(shè)計系統(tǒng)研究正成為當今鐵路選線的發(fā)展方向。在國家自然科學(xué)基金面上項目(51078361)的資助下,本文從鐵路選線與GIS最優(yōu)路徑分析技術(shù)相結(jié)合的角度出發(fā),對基于GIS的鐵路選線輔助設(shè)計方法開展了以下研究工作： 第一,對鐵路選線的相關(guān)理論和國內(nèi)外的研究現(xiàn)狀進行了歸納和總結(jié)。 第二,對影響鐵路選線的眾多因素進行分析,建立鐵路選線影響因素指標體系。綜合運用系統(tǒng)工程、優(yōu)化理論及模糊理論,提出基于模糊屬性層次模型的指標權(quán)重計算方法。 第三,根據(jù)數(shù)字地形模型的思想,以ArcGIS的最優(yōu)路徑分析技術(shù)為工具,充分結(jié)合鐵路行經(jīng)區(qū)域內(nèi)的地形、地質(zhì)、地物和環(huán)境數(shù)據(jù),對每個影響因素柵格圖層的柵格單元賦予相應(yīng)的屬性值,用以表示鐵路經(jīng)過不同柵格單元的成本費用,構(gòu)建鐵路選線分析模型。 第四,基于Visual Basic.NET編程語言、Microsoft SQL Server2005數(shù)據(jù)庫以及ArcEngine組件技術(shù)對ArcGIS進行二次開發(fā),開發(fā)出基于ArcGIS的鐵路選線輔助設(shè)計系統(tǒng)。本系統(tǒng)不僅可以對單因素和多因素影響下的線路走向分別進行分析,還可以對最優(yōu)路徑方案做進一步的細化設(shè)計,實現(xiàn)了線路平面的快速繪制和曲線要素的自動標注。 最后,以彰朋至五原新建鐵路設(shè)計為例對基于ArcGIS的鐵路選線輔助設(shè)計程序進行測試,設(shè)計最優(yōu)線路方案。
[Abstract]:The optimal route problem of railway line selection belongs to the multi-objective optimization problem with constraints. The final scheme of the problem should take into account not only the scientific and technological factors, but also the social and economic factors. The traditional route selection method mainly depends on the designer's experience and level, and it is difficult to balance all kinds of influence factors. With the rapid development of computer technology and the rising of digital map, The research of human-computer interactive route selection system based on digital map is becoming the development direction of railway line selection nowadays. Supported by the National Natural Science Foundation of China 51078361), From the point of view of the combination of railway route selection and GIS optimal path analysis technology, this paper has carried out the following research work on the railway line selection aided design method based on GIS:. First, the related theory of railway route selection and the current research situation at home and abroad are summarized and summarized. Secondly, this paper analyzes many factors that affect railway route selection, establishes the index system of railway route selection factors, and puts forward a calculation method of index weight based on fuzzy attribute hierarchy model by comprehensive use of system engineering, optimization theory and fuzzy theory. Thirdly, according to the idea of digital terrain model, with ArcGIS's optimal path analysis technology as a tool, the terrain, geology, features and environmental data of railway passing through the area are fully combined. The grid cells of each influencing factor grid layer are assigned with corresponding attribute values to represent the cost of railway passing through different grid units, and a railway line selection analysis model is constructed. 4th, based on Visual Basic.NET programming language, Microsoft SQL Server2005 database and ArcEngine component technology, ArcGIS is redeveloped. A railway line selection aided design system based on ArcGIS is developed. This system can not only analyze the track direction under the influence of single factor and multiple factors, but also make further detailed design for the optimal route scheme. The fast drawing of line plane and the automatic marking of curve elements are realized. Finally, taking the new railway design of Changpeng-Wuyuan as an example, the program of railway route selection based on ArcGIS is tested, and the optimal route scheme is designed.
【學(xué)位授予單位】：中南大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：P228.4;U212.32

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