本文關(guān)鍵詞： 冷鏈物流 雙層規(guī)劃 網(wǎng)絡(luò)布局優(yōu)化 遺傳算法　出處：《北京交通大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著我國消費水平的不斷提升,消費者對生鮮農(nóng)產(chǎn)品的需求越來越大。近年來,我國的冷鏈物流網(wǎng)絡(luò)發(fā)展迅速,很多城市和企業(yè)開始進行冷鏈物流網(wǎng)絡(luò)的布局,越來越多的冷鏈物流中心成為物流網(wǎng)絡(luò)的核心節(jié)點。但是由于我國冷鏈物流起步較晚,也沒有較為完善的冷鏈物流體系和標(biāo)準(zhǔn),因此,現(xiàn)存的冷鏈物流網(wǎng)絡(luò)布局會存在一些不合理,需要對現(xiàn)有的農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)布局進行優(yōu)化。 基于以上分析,本文通過建立農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)布局優(yōu)化模型解決目前農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)布局不合理的問題。首先,通過大量文獻閱讀與現(xiàn)狀研究,對冷鏈物流、物流網(wǎng)絡(luò)基礎(chǔ)理論進行分析與闡述,在理論基礎(chǔ)上,對農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)布局進行分析研究。通過對農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)中冷鏈物流節(jié)點與配送路線的劃分與功能分析,歸納總結(jié)農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)的特點；其次,在分析農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)重要節(jié)點的基礎(chǔ)上,研究農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)布局的現(xiàn)狀,同時提出其存在的問題,進而得出農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)布局優(yōu)化的影響因素、原則和基本內(nèi)容；而后結(jié)合以上內(nèi)容,提出了基于雙層規(guī)劃的農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)布局優(yōu)化模型。在模型中,不僅考慮到農(nóng)產(chǎn)品冷鏈物流網(wǎng)絡(luò)成本和農(nóng)產(chǎn)品在配送過程中的損耗成本,還考慮到新建物流中心與原有物流中心之間存在的競爭關(guān)系的影響；最后,選擇遺傳算法進行模型的求解,并選擇L集團冷鏈物流網(wǎng)絡(luò)為例,驗證了本文模型和算法的可行性。
[Abstract]:With the continuous improvement of consumption level in China, consumers' demand for fresh agricultural products is increasing. In recent years, the cold-chain logistics network in China has developed rapidly, and many cities and enterprises have begun to layout cold-chain logistics networks. More and more cold chain logistics centers have become the core nodes of logistics network. However, due to the late start of cold chain logistics in China, there is no perfect cold chain logistics system and standard. The existing cold chain logistics network layout will exist some unreasonable, need to optimize the existing cold chain logistics network layout of agricultural products. Based on the above analysis, this paper solves the unreasonable problem of the cold chain logistics network layout of agricultural products by establishing the optimization model of the cold chain logistics network layout of agricultural products. First, through a lot of literature reading and current research, the paper analyzes the cold chain logistics. The basic theory of logistics network is analyzed and expounded. On the basis of the theory, the layout of cold chain logistics network of agricultural products is analyzed and studied. Through the division and function analysis of cold chain logistics node and distribution route in cold chain logistics network of agricultural products, The characteristics of cold chain logistics network of agricultural products are summarized. Secondly, on the basis of analyzing the important nodes of cold chain logistics network of agricultural products, the present situation of the distribution of cold chain logistics network of agricultural products is studied, and the existing problems are put forward. Then the influencing factors, principles and basic contents of the cold-chain logistics network layout optimization of agricultural products are obtained. Then, combining with the above contents, the optimization model of agricultural cold-chain logistics network layout based on bilevel programming is proposed. In the model, Considering not only the cost of cold chain logistics network of agricultural products and the cost of loss of agricultural products in the distribution process, but also the influence of the competitive relationship between the new logistics center and the original logistics center; finally, The genetic algorithm is selected to solve the model and the L group cold chain logistics network is selected as an example to verify the feasibility of the model and algorithm in this paper.
【學(xué)位授予單位】：北京交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：F326.6

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