【摘要】：本文主要研究了連鑄及熱軋生產(chǎn)計劃問題,包括建立連鑄及熱軋生產(chǎn)計劃模型、提出求解這一模型的啟發(fā)式算法和智能優(yōu)化算法,以及設(shè)計和開發(fā)連鑄及熱軋生產(chǎn)計劃系統(tǒng)。本文的主要工作如下：1.描述了連鑄及熱軋問題的實(shí)際背景,包括產(chǎn)品、生產(chǎn)線、產(chǎn)能、系統(tǒng)需求等情況。在此基礎(chǔ)上,經(jīng)過分析,獲取了連鑄及熱軋問題的關(guān)鍵信息,并建立了相關(guān)的表格。然后,建立了以在熱軋階段軋輥切換次數(shù)最少和在連鑄階段使用的中間包(澆次)數(shù)量最少為目標(biāo)的連鑄及熱軋生產(chǎn)計劃問題全局?jǐn)?shù)學(xué)模型,和以軋輥切換次數(shù)最少為目標(biāo)的熱軋生產(chǎn)計劃問題簡化數(shù)學(xué)模型,并對兩個模型進(jìn)行了比較。2.應(yīng)用啟發(fā)式調(diào)度規(guī)則和智能優(yōu)化方法相結(jié)合的策略來求解連鑄及熱軋生產(chǎn)計劃問題�；谶B鑄及熱軋生產(chǎn)計劃實(shí)際經(jīng)驗(yàn)的啟發(fā)式調(diào)度算法可以成功地求解該問題,并能夠獲得一個較好的初始解。為了進(jìn)一步優(yōu)化連鑄及熱軋生產(chǎn)計劃結(jié)果,分別應(yīng)用了粒子群算法和遺傳算法求解連鑄及熱軋生產(chǎn)計劃問題全局?jǐn)?shù)學(xué)模型和熱軋生產(chǎn)計劃問題簡化數(shù)學(xué)模型。最后,對三種方法進(jìn)行了比較。3.設(shè)計了連鑄及熱軋生產(chǎn)計劃系統(tǒng)。首先,確定了由用戶界面層、應(yīng)用層和數(shù)據(jù)庫層構(gòu)成的三層架構(gòu)的系統(tǒng)開發(fā)方案,以及各個層的功能；其次,描述了系統(tǒng)的運(yùn)行開發(fā)環(huán)境；最后,設(shè)計了數(shù)據(jù)庫層用戶信息數(shù)據(jù)、訂單信息數(shù)據(jù)、約束信息數(shù)據(jù)、中間結(jié)果信息數(shù)據(jù)和最終結(jié)果信息數(shù)據(jù)的主要基表,并描述了各主要基表之間的邏輯關(guān)系。4.按照系統(tǒng)設(shè)計方案實(shí)現(xiàn)了連鑄及熱軋生產(chǎn)計劃系統(tǒng)。在數(shù)據(jù)庫層,描述了Excel訂單數(shù)據(jù)導(dǎo)入數(shù)據(jù)庫線材訂單需求表時的自動導(dǎo)入步驟；在應(yīng)用層,介紹了系統(tǒng)主要的靜態(tài)函數(shù),并通過優(yōu)化設(shè)計使系統(tǒng)具有更好的擴(kuò)展性。在用戶界面層,展示了用戶模塊,訂單輸入模塊,工藝約束模塊,中間結(jié)果模塊和結(jié)果輸出模塊的界面及其部分代碼,并實(shí)現(xiàn)了水晶報表自動導(dǎo)出連鑄及熱軋生產(chǎn)計劃結(jié)果的功能。
[Abstract]:In this paper, the production planning problems of continuous casting and hot rolling are studied, including the establishment of continuous casting and hot rolling production planning model, the heuristic algorithm and intelligent optimization algorithm for solving this model, and the design and development of continuous casting and hot rolling production planning system. The main work of this paper is as follows: 1. This paper describes the practical background of continuous casting and hot rolling problems, including products, production lines, production capacity, system requirements and so on. On the basis of the analysis, the key information of continuous casting and hot rolling is obtained, and the related tables are established. Then, a global mathematical model of continuous casting and hot rolling production planning problem is established, which aims at the minimum number of roll switching times in hot rolling stage and the minimum number of tundish (casting times) used in continuous casting stage. And the simplified mathematical model of hot rolling production planning with the goal of minimum roll switching times is given and the comparison between the two models is given. The heuristic scheduling rule and intelligent optimization method are used to solve the continuous casting and hot rolling production planning problems. The heuristic scheduling algorithm based on the practical experience of continuous casting and hot rolling production planning can successfully solve the problem and obtain a better initial solution. In order to optimize the production planning results of continuous casting and hot rolling, particle swarm optimization algorithm and genetic algorithm were applied to solve the global mathematical model of continuous casting and hot rolling production planning problem and the simplified mathematical model of hot rolling production planning problem. Finally, the three methods are compared. The production planning system of continuous casting and hot rolling is designed. First of all, the system development scheme which is composed of user interface layer, application layer and database layer is determined, and the functions of each layer are described. Secondly, the running development environment of the system is described. The main base tables of database layer user information data, order information data, constraint information data, intermediate result information data and final result information data are designed. According to the system design, the continuous casting and hot rolling production planning system is realized. In the database layer, the automatic importing steps of Excel order data into the database wire order demand table are described, and in the application layer, the main static functions of the system are introduced, and the system has better expansibility by optimizing design. In the user interface layer, the interface of user module, order input module, process constraint module, intermediate result module and result output module and some codes are displayed. The function of automatically deriving the results of continuous casting and hot rolling production is realized.
【學(xué)位授予單位】：東南大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TG335.9;TP18

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