本文選題：建模仿真研究 + 二級緩沖區(qū)　； 參考：《重慶大學(xué)》2014年碩士論文

【摘要】：伴隨著中國航空事業(yè)的快速發(fā)展，航空緊固件企業(yè)迎來了新的發(fā)展機(jī)遇，但是市場環(huán)境的變化，讓生產(chǎn)方式出現(xiàn)了新的特征：面向訂單、多品種、中小批量、高質(zhì)量、交貨期短以及低成本等，這又給航空緊固件企業(yè)提出了新的挑戰(zhàn)。如何快速研發(fā)和生產(chǎn)出市場所需的緊固件產(chǎn)品，，是航空緊固件企業(yè)亟待解決的問題。航空緊固件企業(yè)需要對其原有的生產(chǎn)系統(tǒng)進(jìn)行重新審視，并做出適當(dāng)調(diào)整，使其與市場需求相匹配。作為航空緊固件企業(yè)的核心車間，機(jī)加車間對企業(yè)的產(chǎn)出和產(chǎn)品生產(chǎn)周期有直接的影響。由于機(jī)加車間設(shè)備種類眾多，并且每種設(shè)備數(shù)量也很多，因此功能布局是航空緊固件企業(yè)機(jī)加車間最常用的布局形式，這種布局形式雖然具有很強(qiáng)的產(chǎn)品適應(yīng)性，但是這種布局形式讓車間的管理變得復(fù)雜，容易出現(xiàn)產(chǎn)品生產(chǎn)周期長、生產(chǎn)不均衡、設(shè)備利用率低下等問題。由于功能布局生產(chǎn)車間固有的復(fù)雜性，很難用數(shù)學(xué)解析方法將其所有特征建模并進(jìn)行分析研究，而計算機(jī)仿真技術(shù)為解決這類復(fù)雜系統(tǒng)問題提供了便利。 本文在對航空緊固件企業(yè)機(jī)加車間特征進(jìn)行深入研究的基礎(chǔ)上，提出了航空緊固件企業(yè)機(jī)加車間仿真建模方法，該建模方法包括四個方面：①基于二級緩沖區(qū)和推、拉傳送機(jī)制的加工單元的實(shí)現(xiàn)；②基于設(shè)備前后路徑開閉的批次管理；③不同產(chǎn)品間設(shè)備轉(zhuǎn)換調(diào)試的實(shí)現(xiàn)；④調(diào)度網(wǎng)絡(luò)的實(shí)現(xiàn)以及產(chǎn)品工藝序列表和產(chǎn)品基礎(chǔ)信息表的建立。用該方法在Simio仿真軟件中完成了A公司機(jī)加車間仿真模型的建立。該建模方法不僅適用于航空緊固件企業(yè)機(jī)加車間的仿真，還適用于其他功能布局生產(chǎn)系統(tǒng)的建模仿真，對生產(chǎn)系統(tǒng)建模仿真研究有一定的理論價值和實(shí)用價值。本文還提出了航空緊固件企業(yè)機(jī)加車間基于仿真的優(yōu)化方法，根據(jù)仿真結(jié)果對A公司機(jī)加車間進(jìn)行了優(yōu)化研究，將A公司機(jī)加車間功能布局轉(zhuǎn)換為柔性單元和功能布局相結(jié)合的方式，并用仿真對優(yōu)化方案進(jìn)行了分析，確定了優(yōu)化后機(jī)加車間的最佳流轉(zhuǎn)批量。優(yōu)化前后機(jī)加車間仿真結(jié)果對比分析表明航空緊固件企業(yè)機(jī)加車間選擇柔性單元布局是可取的。
[Abstract]:With the rapid development of China's aviation industry, aviation fastener enterprises welcome new development opportunities, but the market environment changes, so that new characteristics of production: order oriented, multi-species, medium and small batch, high quality, Short delivery time and low cost, which brings new challenges to aviation fastener enterprises. How to develop and produce fastener products quickly is an urgent problem for aviation fastener enterprises. Aviation fastener enterprises need to re-examine their original production systems and make appropriate adjustments to match the market demand. As the core workshop of the aviation fastener enterprise, the machine processing workshop has direct influence on the output and production cycle of the enterprise. Because there are many kinds of equipments in the machine shop, and the quantity of each kind of equipment is also many, the functional layout is the most commonly used layout form in the aircraft fastener workshop of the aviation fastener enterprise, although this layout form has the strong product adaptability, However, this kind of layout makes the management of workshop become complicated, and the production cycle is long, the production is unbalanced, the equipment utilization ratio is low and so on. Due to the inherent complexity of the functional layout workshop, it is difficult to model and analyze all of its features by mathematical analytical method, and computer simulation technology provides convenience for solving such complex system problems. In this paper, based on the in-depth study of the characteristics of aircraft processing workshop in aviation fastener enterprises, a simulation modeling method of aircraft processing shop for aviation fastener enterprises is proposed. The modeling method includes four aspects: 1, based on two-stage buffer and push. The realization of Machining Unit of pull transfer Mechanism 2 based on the batch management of equipment before and after route opening and closing, the realization of equipment conversion and debugging among different products, the realization of scheduling network and the establishment of product process sequence list and product basic information table. Using this method, the simulation model of A driver plus workshop is established in Simio simulation software. This modeling method is not only applicable to the simulation of aviation fastener enterprise machine shop, but also applicable to the modeling and simulation of other functional layout production systems. It has certain theoretical and practical value for the modeling and simulation research of production system. This paper also puts forward an optimization method based on simulation in the aircraft adding workshop of aviation fastener enterprise. According to the simulation results, the optimization of A driver plus workshop is studied. The function layout of A driver plus workshop is transformed into a combination of flexible unit and function layout, and the optimization scheme is analyzed by simulation, and the optimal flow batch of the machine adding workshop after optimization is determined. The comparison and analysis of the simulation results before and after optimization show that it is advisable to select flexible cell layout in the aircraft loading workshop of aviation fastener enterprises.
【學(xué)位授予單位】：重慶大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：F426.5

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