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考慮港口貨運(yùn)需求時(shí)間窗的集裝箱班輪航線優(yōu)化設(shè)計(jì)

發(fā)布時(shí)間:2018-08-24 13:37
【摘要】:隨著國家“一路一帶”海洋戰(zhàn)略的提出,我國的航運(yùn)事業(yè)將進(jìn)入一個(gè)新的時(shí)代,這對于每一個(gè)航運(yùn)企業(yè)來說既是機(jī)遇也是挑戰(zhàn)!耙宦芬粠А睉(zhàn)略的實(shí)施將大大拉動(dòng)我國沿海港口以及周邊港口的貨運(yùn)需求,同時(shí)由于近年來我國逐漸放寬航運(yùn)市場的政策限制,國外航運(yùn)企業(yè)正加大在華投資,這就使得市場的競爭更加激烈。航運(yùn)企業(yè)為了生存,不得不從自身下手,根據(jù)營運(yùn)區(qū)域內(nèi)的貨運(yùn)需求,通過選擇合適掛靠港口、優(yōu)化掛靠次序以及合理配置運(yùn)行船舶等方法來優(yōu)化設(shè)計(jì)集裝箱班輪航線,從而降低運(yùn)營成本、提高運(yùn)輸服務(wù)質(zhì)量。港口貨運(yùn)時(shí)間窗特性給集裝箱班輪航線的優(yōu)化設(shè)計(jì)帶來了很大的不確定性。各港口間的貨運(yùn)需求量會(huì)因?yàn)榇皰炜扛劭诘臅r(shí)間而不同,因此在航線設(shè)計(jì)的時(shí)候就不能只考慮掛靠港口的順序。集裝箱班輪航線設(shè)計(jì)的對象是一個(gè)由港口、船舶、集裝箱構(gòu)成,需要從路徑構(gòu)建、資產(chǎn)配置、運(yùn)營操作3個(gè)層面一體確定掛靠港口、掛靠順序、艙位分配、船舶配置、箱量配備,才能實(shí)現(xiàn)優(yōu)化運(yùn)作的運(yùn)營系統(tǒng)。本研究重點(diǎn)討論了集裝箱班輪運(yùn)輸?shù)奶攸c(diǎn),并引入港口貨運(yùn)需求時(shí)間窗這一概念,通過分析港口貨運(yùn)需求時(shí)間窗影響因素,說明考慮該港口貨運(yùn)需求時(shí)間窗是符合實(shí)際的。然后本文利用整數(shù)規(guī)劃、車輛路徑選擇理論、非線性規(guī)劃等一系列數(shù)學(xué)理論對加入港口貨運(yùn)需求時(shí)間窗的航線優(yōu)化問題進(jìn)行數(shù)學(xué)建模,同時(shí)將單位時(shí)間單艙利潤最大作為目標(biāo)函數(shù)值進(jìn)行優(yōu)化。在模型的求解上本文采用雙層遺傳算法,并借助數(shù)學(xué)軟件求解出航線設(shè)計(jì)問題包含的掛靠港口選擇、掛靠順序確定、艙位分配、船型及船隊(duì)規(guī)模等方案。最后將該方法應(yīng)用到實(shí)際當(dāng)中,進(jìn)行航線優(yōu)化設(shè)計(jì),通過數(shù)字實(shí)驗(yàn),論證本文的實(shí)際應(yīng)用價(jià)值。
[Abstract]:With the national "Belt and Road" marine strategy put forward, China's shipping industry will enter a new era, which is both an opportunity and a challenge for every shipping enterprise. The implementation of the "Belt and Road" strategy will greatly boost the freight demand of China's coastal ports and its surrounding ports. At the same time, foreign shipping enterprises are increasing their investment in China because China has gradually relaxed the policy restrictions on the shipping market in recent years. This makes the market more competitive. In order to survive, shipping enterprises have to start from their own, according to the freight demand in the operation area, by selecting the appropriate port, optimizing the order of connection and reasonable configuration of the running ship to optimize the design of container liner routes. In order to reduce operating costs, improve the quality of transport services. The time window characteristic of port freight brings great uncertainty to the optimization design of container liner route. The demand for cargo between ports will vary according to the time during which the ship is linked to the port, so the sequence of ports should not be considered only in the course design. The object of container liner route design is composed of port, ship and container, which needs to determine the connection port, the order of connection, the allocation of cabin space and the configuration of ship from three levels: path construction, asset allocation and operation. In order to achieve the optimal operation of the operation system. This study focuses on the characteristics of container liner transportation, and introduces the concept of port freight demand time window. By analyzing the influence factors of port freight demand time window, it is shown that considering the port freight demand time window is in line with the reality. Then a series of mathematical theories, such as integer programming, vehicle routing theory, nonlinear programming and so on, are used to model the route optimization problem with port freight demand time window. At the same time, the maximum profit per unit time single cabin is optimized as the objective function value. In the solution of the model, this paper adopts the double layer genetic algorithm, and uses the mathematical software to solve the route design problems including the choice of the port, the determination of the alignment sequence, the allocation of the cabin space, the ship type and the size of the fleet, and so on. Finally, the method is applied to practice, and the practical application value of this paper is proved by digital experiment.
【學(xué)位授予單位】:大連海事大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:U695.22

【參考文獻(xiàn)】

相關(guān)期刊論文 前6條

1 陳超;張哲;曾慶成;;基于波動(dòng)需求的集裝箱航線優(yōu)化設(shè)計(jì)[J];大連海事大學(xué)學(xué)報(bào);2011年04期

2 靳志宏;李娜;蘭輝;岳麗;;環(huán)渤海灣集裝箱空箱調(diào)運(yùn)網(wǎng)絡(luò)數(shù)字刻畫與可視化[J];交通信息與安全;2009年06期

3 黃俊;宋向群;郭子堅(jiān);;基于二維染色體編碼的集裝箱海運(yùn)網(wǎng)絡(luò)免疫算法優(yōu)化模型[J];土木工程學(xué)報(bào);2007年08期

4 孫學(xué)珊;楊忠振;;環(huán)日本海地區(qū)的航線優(yōu)化研究[J];中國航海;2011年03期

5 靳志宏;徐奇;蘭輝;;基于集裝箱港口的空箱調(diào)運(yùn)流程優(yōu)化[J];中國科技論文在線;2010年10期

6 王文;;集裝箱班輪航線運(yùn)營經(jīng)濟(jì)模型及發(fā)船間隔決策[J];交通運(yùn)輸系統(tǒng)工程與信息;2012年05期

相關(guān)碩士學(xué)位論文 前2條

1 顏偉;集裝箱航線系統(tǒng)優(yōu)化設(shè)計(jì)模型研究[D];大連海事大學(xué);2012年

2 孫國東;基于季節(jié)波動(dòng)的集裝箱班輪航線優(yōu)化研究[D];大連海事大學(xué);2010年

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