壽命分布相似的多種汽車蓄電池聯(lián)合采購與庫存策略研究
本文選題:供應(yīng)鏈 + 壽命分布。 參考:《武漢理工大學(xué)》2015年碩士論文
【摘要】:運輸是供應(yīng)鏈物流很重要的一部分,在運輸過程中,運輸設(shè)備的成本是很大的,其中包括運輸車輛的使用成本、車輛的維護成本和車輛損壞造成的損失成本等。在大型運輸企業(yè),為了適應(yīng)不同的運輸需求,會有多種不同的運輸車輛。但是,由于車輛的蓄電池壽命各不相同,導(dǎo)致車輛維護不能同時進(jìn)行,只能等待車輛損壞后再進(jìn)行維修,從而導(dǎo)致較大的維護成本。另一方面,一旦車輛蓄電池在運輸過程中損壞,將導(dǎo)致車輛停在運輸途中,造成運輸延誤。針對壽命分布相似的汽車蓄電池的最優(yōu)經(jīng)濟使用時間和采購批量的目標(biāo)函數(shù)的建立、求解算法和配置優(yōu)化等問題,提出數(shù)學(xué)模型來得到最優(yōu)的經(jīng)濟使用時間和最優(yōu)的采購策略。并且用實際案例對所提出的數(shù)學(xué)模型進(jìn)行驗證和各因素的敏感度分析。本文主要通過以下幾個方面對壽命分布相似的多種汽車蓄電池聯(lián)合采購和庫存策略進(jìn)行研究:1.通過閱讀國內(nèi)外對汽車蓄電池供應(yīng)鏈中采購和庫存的相關(guān)研究資料,了解目前國內(nèi)外研究該類問題的研究現(xiàn)狀,從國內(nèi)外公司現(xiàn)有汽車蓄電池聯(lián)合采購與庫存的現(xiàn)狀分析來看,主要存在汽車蓄電池壽命分布研究和多種產(chǎn)品基于壽命的聯(lián)合采購方面的研究欠缺。在此基礎(chǔ)上提出了本文的研究內(nèi)容和擬解決的關(guān)鍵問題;2.在理論上分析了供應(yīng)鏈管理的相關(guān)知識和采購管理的相關(guān)決策權(quán),分析了連續(xù)盤點與周期盤點、固定訂貨量與最大庫存量和安全庫存的庫存策略,研究了經(jīng)濟訂貨批量,并拓展為多產(chǎn)品聯(lián)合訂貨,通過使年總成本最小,得出了最優(yōu)訂貨頻次的計算方法;3.分析了汽車蓄電池使用壽命的影響因素,提出了汽車蓄電池使用壽命的分布情況;在研究了汽車蓄電池使用壽命和最優(yōu)使用壽命的基礎(chǔ)上,提出了蓄電池的期望壽命;分析了多種壽命分布相似的蓄電池的期望壽命,得出了不同類型蓄電池的訂貨量;4.研究了汽車蓄電池的使用壽命,在此基礎(chǔ)上得出了最優(yōu)使用壽命,并建立了基于最優(yōu)使用壽命的蓄電池聯(lián)合采購數(shù)學(xué)模型。在所有成本最小化的條件下,通過全局搜索算法求得蓄電池的最優(yōu)使用時間和采購周期。5.在聯(lián)合采購的數(shù)學(xué)模型基礎(chǔ)上提出了實際算例,從實際應(yīng)用中分析了汽車蓄電池的壽命分布和最優(yōu)使用壽命,并根據(jù)算例結(jié)果為供應(yīng)鏈采購提供了基礎(chǔ)。此外,為了挖掘聯(lián)合采購模型中各成本分量對供應(yīng)鏈的影響,分別探索了訂單固定成本、蓄電池失效成本、庫存持有成本和更換成本對總成本和最優(yōu)使用壽命的影響,研究了汽車蓄電池壽命服從的不同分布對采購和庫存的影響。總之,本文將在研究了汽車蓄電池壽命分布和期望使用壽命的基礎(chǔ)上,建立聯(lián)合采購模型,結(jié)合實際案例分析模型可行性和實用性。
[Abstract]:Transportation is an important part of supply chain logistics. In the process of transportation, the cost of transportation equipment is very large, including the cost of using transport vehicle, the cost of vehicle maintenance and the cost of loss caused by vehicle damage, etc. In large transport enterprises, in order to adapt to different transport needs, there will be a variety of transport vehicles. However, due to the different battery life of vehicles, vehicle maintenance can not be carried out at the same time, and can only be repaired after vehicle damage, which leads to higher maintenance costs. On the other hand, once the vehicle battery is damaged during transportation, it will lead to vehicle stopping in transit and causing transportation delay. Aiming at the establishment of the objective function of the optimal economical usage time and the purchase batch of the automotive battery with similar life distribution, the solving algorithm and the configuration optimization, the mathematical model is proposed to obtain the optimal economical usage time and the optimal purchasing strategy. The mathematical model is verified and the sensitivity of each factor is analyzed by a practical case. This paper mainly through the following several aspects of similar life distribution of a variety of automotive battery joint procurement and inventory strategy research: 1. By reading the domestic and foreign research materials on the procurement and inventory of automotive battery supply chain, we can find out the current research situation of this kind of problems at home and abroad, and analyze the current situation of joint procurement and inventory of automotive battery at home and abroad. There are some deficiencies in the research of battery life distribution and the joint procurement of many products based on life. On this basis, the research contents and key problems to be solved are put forward. In this paper, the relevant knowledge of supply chain management and the decision-making power of purchasing management are analyzed theoretically, and the inventory strategies of continuous and periodic inventory, fixed order quantity and maximum inventory and safety stock are analyzed, and the economic order batch is studied. By making the total annual cost minimum, the calculation method of optimal ordering frequency is obtained. The influencing factors of the service life of automobile battery are analyzed, the distribution of service life of automobile battery is put forward, and the expected life of battery is put forward on the basis of studying the service life and optimum service life of automobile battery. The expected life of several batteries with similar life distribution is analyzed, and the order quantity of different types of batteries is obtained. In this paper, the service life of automobile battery is studied, and the optimal service life is obtained, and the mathematical model of battery joint purchasing based on the optimal service life is established. Under the condition of minimizing all the costs, the optimal service time and purchasing period of the battery are obtained by the global search algorithm. Based on the mathematical model of joint purchasing, a practical example is put forward, and the life distribution and optimal service life of automotive battery are analyzed from the practical application, and the basis for supply chain purchasing is provided according to the result of the example. In addition, in order to explore the effect of cost components on supply chain in joint purchasing model, the effects of order fixed cost, battery failure cost, inventory holding cost and replacement cost on total cost and optimal service life are explored respectively. The effect of different distribution of automobile battery service on purchasing and inventory was studied. In a word, on the basis of studying the life distribution and expected service life of automotive battery, a joint purchasing model is established, and the feasibility and practicability of the model are analyzed with practical cases.
【學(xué)位授予單位】:武漢理工大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:U492.31;F252.1
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