本文選題：車(chē)間布局 + 遺傳算法��； 參考：《北京工業(yè)大學(xué)》2011年碩士論文

【摘要】：汽車(chē)及所屬零部件制造業(yè)是我國(guó)國(guó)民經(jīng)濟(jì)的支柱產(chǎn)業(yè),凸輪軸屬于汽車(chē)關(guān)鍵零部件,其生產(chǎn)線布局技術(shù)研究對(duì)國(guó)民經(jīng)濟(jì)具有重要意義。布局設(shè)計(jì)的好壞關(guān)系到工廠的生產(chǎn)效率、廠房的利用率、人力物力的合理配置等,從而很大程度影響到企業(yè)的總體效益。高效的布局方案可以降低生產(chǎn)成本、提高生產(chǎn)效率、加快對(duì)市場(chǎng)需求的響應(yīng)。因此布局設(shè)計(jì)在現(xiàn)代企業(yè)受到越來(lái)越多的重視。本文就布局的設(shè)計(jì)展開(kāi)研究,探討布局算法、仿真技術(shù)的應(yīng)用。 本文首先對(duì)生產(chǎn)線平衡問(wèn)題做了研究,在確定凸輪軸加工工序的基礎(chǔ)上對(duì)生產(chǎn)線進(jìn)行平衡設(shè)計(jì)。根據(jù)凸輪軸的目標(biāo)產(chǎn)能和各工序加工時(shí)間確定各工序的設(shè)備數(shù)量。圍繞生產(chǎn)線平衡的評(píng)價(jià)指標(biāo),對(duì)平衡設(shè)計(jì)的優(yōu)劣予以評(píng)價(jià)。 其次,對(duì)凸輪軸布局問(wèn)題進(jìn)行了探討,針對(duì)如何建立布局模型進(jìn)行了研究。對(duì)遺傳算法重要參數(shù)染色體編碼、染色體適應(yīng)度計(jì)算、遺傳算子設(shè)計(jì)進(jìn)行了分析,在此基礎(chǔ)上根據(jù)遺傳算法設(shè)計(jì)相應(yīng)的解決方案。針對(duì)單行和多行生產(chǎn)線的差別,在遺傳算法的應(yīng)用上進(jìn)行了研究。通過(guò)對(duì)設(shè)備定位原則、定序算法、定序流程的研究,確定最終的布局方案。 最后,根據(jù)布局方案,運(yùn)用eM-plant軟件,建立起凸輪軸生產(chǎn)線物流的仿真模型。通過(guò)仿真,得到各工位的效率柱狀圖,為生產(chǎn)線物流的改善提供依據(jù)。通過(guò)改善,與原方案進(jìn)行對(duì)比,得到最優(yōu)方案。
[Abstract]:Automobile and its parts manufacturing industry is the pillar industry of our national economy, camshaft belongs to the key parts of automobile, and the research of production line layout technology is of great significance to the national economy. The quality of layout design is related to the production efficiency of the factory, the utilization rate of the factory building, the reasonable allocation of manpower and material resources, and so on, which greatly affects the overall benefit of the enterprise. Efficient layout can reduce production cost, improve production efficiency and accelerate response to market demand. Therefore, layout design in modern enterprises is receiving more and more attention. This paper studies the design of layout, discusses the application of layout algorithm and simulation technology. In this paper, the balance problem of production line is studied firstly, and the balance design of production line is carried out on the basis of determining the processing procedure of camshaft. Determine the number of equipment in each process according to the target capacity and processing time of camshaft. Based on the evaluation index of production line balance, the merits and demerits of balance design are evaluated. Secondly, the problem of camshaft layout is discussed, and how to set up a layout model is studied. The important parameters of genetic algorithm, such as chromosome coding, chromosome fitness calculation and genetic operator design, are analyzed, and corresponding solutions are designed according to genetic algorithm. Aiming at the difference between single line and multi-line production line, the application of genetic algorithm is studied. Finally, the final layout scheme is determined through the research of equipment positioning principle, sequencing algorithm and sequencing process. Finally, according to the layout scheme, the simulation model of camshaft production line logistics is established by using eM-plant software. Through simulation, the efficiency histogram of each work station is obtained, which provides the basis for the improvement of production line logistics. By improving and comparing with the original scheme, the optimal scheme is obtained.
【學(xué)位授予單位】：北京工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2011
【分類(lèi)號(hào)】：TH181

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本文編號(hào)：1981340