面向輪胎模具鋼花紋圈加工的柔性流水車間調(diào)度研究
發(fā)布時(shí)間:2018-05-08 23:39
本文選題:輪胎模具 + 鋼花紋圈加工; 參考:《廣東工業(yè)大學(xué)》2011年碩士論文
【摘要】:輪胎模具生產(chǎn)水平的高低,已經(jīng)成為影響國(guó)家輪胎制造、汽車制造和交通運(yùn)輸?shù)刃袠I(yè)制造水平高低的主要因素。輪胎模具生產(chǎn)過程具有非重復(fù)性的特點(diǎn),導(dǎo)致任務(wù)工時(shí)具有較強(qiáng)的不確定性,這也正是輪胎模具企業(yè)制定有序、協(xié)調(diào)、可控和高效執(zhí)行的車間作業(yè)計(jì)劃的直接瓶頸。傳統(tǒng)的車間作業(yè)調(diào)度都假定任務(wù)具有明確、固定工時(shí),所形成的調(diào)度方案在現(xiàn)場(chǎng)執(zhí)行過程中的指導(dǎo)性偏差較大,導(dǎo)致生產(chǎn)計(jì)劃和調(diào)度的失效,無法完成生產(chǎn)任務(wù),交貨期難于保證,拖期現(xiàn)象嚴(yán)重,企業(yè)的商譽(yù)和經(jīng)濟(jì)效益受到影響,使得國(guó)內(nèi)大多數(shù)輪胎模具企業(yè)缺乏國(guó)際市場(chǎng)競(jìng)爭(zhēng)力。鋼花紋圈為輪胎模具的主要部件,由鋼花紋圈關(guān)鍵工序工時(shí)不確定而導(dǎo)致的生產(chǎn)調(diào)度混亂是制約輪胎模具制造企業(yè)發(fā)展的一個(gè)嚴(yán)重的問題。為此,本文研究工時(shí)不確定的鋼花紋圈加工車間調(diào)度問題。 本文針對(duì)鋼花紋圈關(guān)鍵工序工時(shí)不確定而導(dǎo)致的生產(chǎn)計(jì)劃和調(diào)度的失效,模具交貨期無法保證這一實(shí)際問題。首先,對(duì)輪胎模具產(chǎn)品不確定工時(shí)進(jìn)行分析,通過對(duì)實(shí)際輪胎模具企業(yè)鋼花紋圈關(guān)鍵工序歷史工時(shí)數(shù)據(jù)的定量分析,建立與之相對(duì)的不確定工時(shí)數(shù)學(xué)模型。然后,介紹柔性流水車間調(diào)度問題并深入分析鋼花紋圈加工過程,建立不確定工時(shí)鋼花紋圈加工的柔性流水車間調(diào)度優(yōu)化模型;針對(duì)建立的不確定工時(shí)鋼花紋圈加工的柔性流水車間調(diào)度模型,分別利用遺傳算法與混合遺傳模擬退火算法設(shè)計(jì)了兩種不同的求解算法,通過算例的求解分析,驗(yàn)證了混合遺傳模擬退火算法在求解不確定工時(shí)鋼花紋圈加工的柔性流水車間調(diào)度問題方面的優(yōu)越性。最后,開發(fā)一個(gè)不確定工時(shí)鋼花紋圈加工的柔性流水車間調(diào)度系統(tǒng)仿真試驗(yàn)平臺(tái),詳細(xì)介紹了系統(tǒng)的目標(biāo)、系統(tǒng)的思想、系統(tǒng)的功能結(jié)構(gòu)、系統(tǒng)的數(shù)據(jù)庫設(shè)計(jì)與軟件設(shè)計(jì)。 本文的研究工作有助于弱化不確定工時(shí)對(duì)輪胎模具鋼花紋圈加工調(diào)度的影響,緩解輪胎模具制造周期過長(zhǎng)、交貨期延期等難題。
[Abstract]:The production level of tire mould has become the main factor that affects the manufacturing level of tire manufacturing, automobile manufacturing and transportation industry. The process of tire mold production has the characteristics of non-repeatability, which leads to the uncertainty of working hours, which is the direct bottleneck for the tire mould enterprises to formulate orderly, coordinated, controllable and efficient implementation of workshop job plan. The traditional job shop scheduling assumes that the task is clear and fixed, the resulting scheduling scheme has a large guiding deviation in the field execution process, which leads to the failure of production planning and scheduling, and the inability to complete the production task. The delivery time is difficult to guarantee, the delay period is serious, and the goodwill and economic benefit of the enterprise are affected, which makes most domestic tire mould enterprises lack the international market competitiveness. Steel pattern ring is the main component of tire mould. The confusion of production scheduling caused by uncertain working hours of steel pattern ring is a serious problem that restricts the development of tire mould manufacturing enterprise. Therefore, in this paper, the scheduling problem of steel pattern ring machining workshop with uncertain working hours is studied. In this paper, due to the failure of production planning and scheduling caused by uncertain working hours in key working procedures of steel pattern rings, the delivery time of dies cannot be guaranteed. Firstly, the uncertain working hours of tire die products are analyzed, and the relative mathematical model of uncertain working hours is established through the quantitative analysis of the historical man-hour data of the key processes of steel pattern rings in the actual tire mould enterprises. Then, the scheduling problem of flexible flow shop is introduced, and the machining process of steel pattern ring is deeply analyzed, and the optimal scheduling model of flexible flow shop is established for uncertain working hours. Aiming at the flexible flow shop scheduling model for uncertain man-hour steel pattern circle machining, two different algorithms are designed by using genetic algorithm and hybrid genetic simulated annealing algorithm. The superiority of hybrid genetic simulated annealing algorithm in solving flexible flow-shop scheduling problem with uncertain man-hour steel pattern ring machining is verified. Finally, a simulation test platform of flexible flow-shop scheduling system with uncertain man-hour steel pattern is developed. The system objectives, system ideas, system function structure, database design and software design of the system are introduced in detail. The research work in this paper is helpful to weaken the influence of uncertain working hours on the processing scheduling of tire mould steel pattern ring, and to alleviate the problems of long manufacturing cycle and delay of delivery time of tire mould.
【學(xué)位授予單位】:廣東工業(yè)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2011
【分類號(hào)】:TH186
【引證文獻(xiàn)】
相關(guān)碩士學(xué)位論文 前1條
1 盛雄強(qiáng);輪胎噪聲微機(jī)仿真系統(tǒng)的實(shí)現(xiàn)及其改進(jìn)[D];武漢理工大學(xué);2012年
,本文編號(hào):1863618
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