本文選題：板材加工 + 制造執(zhí)行系統(tǒng)�。� 參考：《江南大學(xué)》2015年碩士論文

【摘要】：隨著市場競爭的日益激烈,為了滿足多變的客戶需求,很多企業(yè)的生產(chǎn)方式已經(jīng)逐步從面向庫存轉(zhuǎn)變?yōu)槊嫦蚩蛻粲唵?在這種情況下,如何根據(jù)市場的需求,動態(tài)調(diào)整生產(chǎn)的產(chǎn)品,按時按量的交貨,以滿足客戶銷售與庫存的需求,已成為企業(yè)能否生存和發(fā)展的關(guān)鍵因素,因此,越來越多的企業(yè)選擇使用信息化管理系統(tǒng)。本文針對案例金屬加工企業(yè)生產(chǎn)效率低的問題,提出了金屬板材加工的制造執(zhí)行系統(tǒng)的解決方案,將產(chǎn)品生產(chǎn)前、生產(chǎn)過程中、生產(chǎn)后整個生產(chǎn)周期的信息全部納入系統(tǒng)中,包括:任務(wù)確定、板材下料、生產(chǎn)排程、數(shù)據(jù)采集、成品裝箱等所有與生產(chǎn)相關(guān)的作業(yè),實現(xiàn)了板材下料、生產(chǎn)排程、成品裝箱的自動化,車間生產(chǎn)過程控制的實時化,產(chǎn)品生產(chǎn)全過程信息的透明化,達到了生產(chǎn)全過程信息化的要求,同時構(gòu)建了金屬板材加工的制造執(zhí)行系統(tǒng)的總體結(jié)構(gòu),研究了系統(tǒng)的生產(chǎn)集成化方案,設(shè)計了板材下料模塊與三維裝箱模塊的算法,并對系統(tǒng)數(shù)據(jù)庫和系統(tǒng)各主要功能模塊分別進行了詳細分析和設(shè)計,重點研究了下面幾個問題:(1)板材下料算法設(shè)計。采用混合啟發(fā)式算法進行板材下料算法的設(shè)計,先利用啟發(fā)式填充算法將矩形成品生成條料,再借助遺傳算法對矩形成品排序和條料組合排序進行優(yōu)化,通過兩種算法的結(jié)合來找出使原材料整體利用率最大的方案。(2)車間生產(chǎn)活動數(shù)據(jù)實時采集。針對車間生產(chǎn)活動數(shù)據(jù)難以實時采集和生產(chǎn)過程難以實時控制的問題,提出了采用條形碼技術(shù)進行數(shù)據(jù)采集的方案,并研究了數(shù)據(jù)采集設(shè)備的通訊方式和數(shù)據(jù)采集流程。(3)車間工序級生產(chǎn)計劃自動排程。依據(jù)客戶訂單和工藝信息生成車間生產(chǎn)計劃,然后采用動態(tài)極大極小代數(shù)算法對生產(chǎn)計劃進行生產(chǎn)排程,自動安排產(chǎn)品每道工序的加工設(shè)備、開工時間、完工時間,形成工序級生產(chǎn)計劃。(4)三維裝箱算法研究。采用多約束條件的優(yōu)化算法自動安排成品裝箱,先借助遺傳算法對板材序列和擺放方式序列進行優(yōu)化,再利用啟發(fā)式算法將板材合理的裝入木箱,找出滿足木箱容積、裝載順序、穩(wěn)定性等條件,并使木箱空間利用率最大的方案。目前,系統(tǒng)已在企業(yè)實施,明顯提高了企業(yè)的生產(chǎn)管理效率和企業(yè)按時按量交付的能力,取得了很好的應(yīng)用效果,為同類型金屬加工企業(yè)設(shè)計MES提供了借鑒。
[Abstract]:With the increasingly fierce market competition, in order to meet the changing needs of customers, many enterprises have gradually changed from inventory oriented production to customer oriented orders. In this case, how to meet the needs of the market, Dynamic adjustment of production products and timely delivery of goods to meet the needs of customer sales and inventory has become a key factor for the survival and development of enterprises. Therefore, more and more enterprises choose to use information management system. Aiming at the problem of low production efficiency in metal processing enterprises, this paper puts forward a solution to the manufacturing execution system of metal sheet metal processing, which integrates the information of the whole production cycle before, during and after production into the system. Including: task determination, sheet cutting, production scheduling, data acquisition, finished product packing, etc. All the related operations related to production have been realized. The automation of sheet cutting, production scheduling, finished product packing and workshop production process control have been realized. The transparency of the information in the whole process of product production has reached the requirement of the informationization of the whole process of production. At the same time, the overall structure of the manufacturing execution system of metal sheet processing has been constructed, and the production integration scheme of the system has been studied. The algorithms of plate blanking module and 3D packing module are designed, and the system database and the main functional modules of the system are analyzed and designed in detail. The following problems are emphatically studied: (1) plate cutting algorithm design. The mixed heuristic algorithm is used to design the plate cutting algorithm. Firstly, the rectangular finished product is generated by the heuristic filling algorithm, and then the sorting of rectangular finished product and the combination sorting of strip material are optimized by genetic algorithm. Through the combination of two algorithms to find out the maximum overall utilization of raw materials. (2) Workshop production activity data real-time collection. In order to solve the problem that the production activity data of workshop is difficult to collect in real time and the production process is difficult to be controlled in real time, this paper puts forward a scheme of data acquisition using bar code technology. The communication mode and data acquisition flow of data acquisition equipment are studied. (3) automatic scheduling of production planning in workshop process level. According to the customer order and process information, the workshop production plan is generated, and then the production schedule is arranged by using dynamic minimax algebra algorithm, and the processing equipment, starting time and completion time of each working procedure of the product are automatically arranged. Forming process grade production plan. (4) Research on 3 D packing algorithm. The optimization algorithm of multi-constraint condition is used to arrange the packing of finished product automatically, and the sequence of plate and placement mode is optimized by genetic algorithm, then the plate is put into wooden box reasonably by heuristic algorithm, and the volume of wooden box is found out. Loading sequence, stability and other conditions, and make the maximum utilization of wooden box space scheme. At present, the system has been implemented in the enterprise, which has obviously improved the production management efficiency of the enterprise and the ability of the enterprise to deliver according to time on time, has obtained the very good application effect, has provided the reference for the similar type metal processing enterprise to design mes.
【學(xué)位授予單位】：江南大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TH16

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