本文選題：煤化工基地 + 物流裝備　； 參考：《蘭州交通大學(xué)》2017年碩士論文

【摘要】：我國是世界上少數(shù)幾個(gè)以煤炭為主要能源的國家之一,“富煤、貧油、少氣”的能源結(jié)構(gòu)決定了我們要努力發(fā)展煤化工產(chǎn)業(yè)。近年來,煤化工行業(yè)的發(fā)展備受國家和社會(huì)的關(guān)注,煤化工呈現(xiàn)集約化發(fā)展趨勢,形成了多個(gè)煤化工基地。煤化工物流在煤化工基地發(fā)展中的作用逐漸凸顯出來,如何利用現(xiàn)代化的物流技術(shù)手段,在保證基地物流活動(dòng)正常運(yùn)營的前提下降低物流成本,提高經(jīng)濟(jì)效益成為一個(gè)非常值得關(guān)注的問題。煤化工基地以煤炭資源作為主要原料大規(guī)模輸入,其物流成本在煤化工產(chǎn)品生產(chǎn)總成本中占有很高比重。一方面,將大規(guī)模的煤炭原料高效運(yùn)入基地,對保證各項(xiàng)目正常生產(chǎn)具有重要意義;另一方面,輸入煤炭物流作為物流成本的重要組成部分,對降低產(chǎn)品的成本具有重要作用。基地中物流裝備資源作為物流活動(dòng)的載體,其合理配置不僅可以提高物流作業(yè)效率,還可以提高企業(yè)的經(jīng)濟(jì)效益。論文在研究煤化工物流和物流資源配置問題現(xiàn)狀的基礎(chǔ)上,以大型煤化工基地物流裝備資源為研究對象,以基地輸入煤炭物流過程作為研究范圍,建立了以物流裝備作業(yè)成本為目標(biāo)物流裝備資源配置模型,采用差分進(jìn)化算法對問題進(jìn)行求解,結(jié)合實(shí)際案例得出基地物流裝備資源配置建議方案。論文完成的具體內(nèi)容如下:(1)研究分析了物流裝備及物流裝備資源配置的要素,結(jié)合煤化工物流及物流裝備資源特點(diǎn),針對煤化工基地物流裝備資源配置優(yōu)化問題,建立了以成本為目標(biāo)的數(shù)學(xué)模型,將工程問題轉(zhuǎn)化成為數(shù)學(xué)問題。(2)通過分析比較裝備資源配置模型的特點(diǎn)及各種求解方法的優(yōu)缺點(diǎn),針對所建模型的特點(diǎn),選擇了差分進(jìn)化算法對物流裝備資源配置問題進(jìn)行求解。通過改變差分進(jìn)化算法初始種群的產(chǎn)生方式,改進(jìn)變異、交叉操作,改善了該算法的求解性能,用測試函數(shù)驗(yàn)證了改進(jìn)效果的有效性。(3)針對西北某大型煤化工基地實(shí)際工程案例,運(yùn)用改進(jìn)的差分進(jìn)化算法對煤化工基地輸入煤炭物流過程中的裝備資源配置問題進(jìn)行優(yōu)化仿真計(jì)算,并對優(yōu)化前后的裝備資源配置方案進(jìn)行對比。結(jié)果表明,優(yōu)化后煤化工基地物流裝備資源配置方案成本低于原配置方案,同時(shí)給出了基地未來項(xiàng)目建設(shè)物流裝備資源配置建議方案,對企業(yè)的裝備資源配置具有一定的指導(dǎo)和借鑒作用。
[Abstract]:China is one of the few countries in the world where coal is the main energy source. The energy structure of "rich coal, lean oil and less gas" determines that we should strive to develop coal chemical industry.In recent years, the development of coal chemical industry has attracted the attention of the country and the society. The coal chemical industry presents a trend of intensive development, forming a number of coal chemical bases.The role of coal chemical logistics in the development of coal chemical base is gradually prominent. How to use modern logistics technology means to reduce logistics cost under the premise of ensuring the normal operation of base logistics activities,Raising economic benefits has become a very noteworthy problem.The coal chemical base takes coal resources as the main raw material and its logistics cost occupies a high proportion in the total production cost of coal chemical products.On the one hand, it is of great significance to transport large scale coal raw materials into the base efficiently. On the other hand, as an important part of logistics cost, input coal logistics plays an important role in reducing the cost of products.As the carrier of logistics activities, the reasonable allocation of logistics equipment resources in the base can not only improve the efficiency of logistics operations, but also improve the economic benefits of enterprises.On the basis of studying the current situation of coal chemical logistics and logistics resource allocation, this paper takes the logistics equipment resources of large coal chemical base as the research object, and takes the input coal logistics process as the research scope.A logistics equipment resource allocation model is established with the cost of logistics equipment activity as the target. The differential evolution algorithm is used to solve the problem. Combined with practical cases, the proposed scheme of logistics equipment resource allocation is obtained.The specific contents of the thesis are as follows: 1) the paper studies and analyzes the elements of logistics equipment and logistics equipment resource allocation, combining with the characteristics of coal chemical industry logistics and logistics equipment resources, aiming at the optimization of logistics equipment resource allocation in coal chemical industry base.A mathematical model with the goal of cost is established, and the engineering problem is transformed into a mathematical problem. (2) by analyzing and comparing the characteristics of the equipment resource allocation model and the advantages and disadvantages of various solving methods, aiming at the characteristics of the established model,The differential evolutionary algorithm is selected to solve the problem of logistics equipment resource allocation.By changing the way of initial population generation of differential evolution algorithm and improving mutation and crossover operation, the solution performance of the algorithm is improved.Test function is used to verify the effectiveness of the improvement. (3) aiming at the actual project case of a large coal chemical base in Northwest China,The improved differential evolution algorithm is used to optimize the equipment resource allocation in the process of coal logistics input from coal chemical base, and the equipment resource allocation scheme before and after optimization is compared.The results show that the cost of the optimized logistics equipment allocation scheme is lower than that of the original configuration scheme. At the same time, the proposed scheme of logistics equipment resource allocation for the future project of the base is given.It has certain guidance and reference function to the equipment resource allocation of the enterprise.
【學(xué)位授予單位】：蘭州交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：F426.7;F252

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本文編號(hào)：1738307