本文選題：車間資源管理 + 動態(tài)資源　； 參考：《東華大學》2017年碩士論文

【摘要】：在離散型制造企業(yè)數(shù)控加工車間中,計劃期內(nèi)機床負荷、故障、刀具剩余壽命等動態(tài)資源信息將會影響車間生產(chǎn)調(diào)度方案的制定和執(zhí)行,傳統(tǒng)的車間資源管理通常側(cè)重于對車間資源靜態(tài)信息的管理,忽略了對車間資源動態(tài)信息的管理。本文通過開發(fā)基于動態(tài)資源的數(shù)控加工車間管理系統(tǒng),實現(xiàn)對車間機床、刀具、NC程序、物料等生產(chǎn)資源的靜態(tài)及動態(tài)信息管理,在此基礎(chǔ)上考慮車間機床、刀具等動態(tài)資源信息,制定符合車間實際生產(chǎn)的車間調(diào)度計劃,避免出現(xiàn)因機床、刀具不可用或加工能力不足而導致的生產(chǎn)停機問題。論文的主要研究內(nèi)容如下:(1)首先對現(xiàn)階段數(shù)控加工車間管理系統(tǒng)仍需解決的問題進行研究分析,提出基于動態(tài)資源的數(shù)控加工車間管理系統(tǒng)開發(fā)的總體設(shè)計方案,并確定了數(shù)控加工車間管理系統(tǒng)開發(fā)的總體框架和開發(fā)環(huán)境,最后進行了系統(tǒng)數(shù)據(jù)庫的設(shè)計。(2)數(shù)控加工車間資源信息管理研究。系統(tǒng)主要分為車間資源管理模塊、調(diào)度模型管理模塊、作業(yè)調(diào)度模塊及系統(tǒng)輔助管理模塊,針對車間資源管理模塊,研究基于動態(tài)資源的數(shù)控加工車間資源的信息管理,建立數(shù)控加工車間資源管理對象模型,完成對車間機床、刀具、物料等資源基本靜態(tài)信息的管理及數(shù)控機床和刀具的狀態(tài)、加工能力等動態(tài)信息的管理,實現(xiàn)數(shù)控機床與刀具的動態(tài)關(guān)聯(lián)信息管理,為工件工序加工提供車間動態(tài)資源信息。(3)考慮刀具流的車間柔性作業(yè)調(diào)度研究。在傳統(tǒng)車間調(diào)度過程中忽略了刀具因素,認為刀具任意時刻都滿足需要。但由于產(chǎn)品多樣性要求的提高以及刀具購置成本的約束,在車間調(diào)度過程中的刀具資源約束不能忽略。首先建立考慮刀具流的車間柔性作業(yè)調(diào)度模型,工序可在多臺設(shè)備上加工,并且在不同設(shè)備上加工時可選用的刀具不同,然后設(shè)計蟻群-遺傳混合算法進行問題求解,利用蟻群算法解決柔性工藝路線的確定問題,最后在工件工序優(yōu)化排序過程中,考慮機床和刀具資源的約束信息,研究免疫遺傳算法中考慮刀具沖突約束的關(guān)鍵解碼方法,生成滿足要求的調(diào)度方案。(4)系統(tǒng)功能模塊開發(fā)及測試。系統(tǒng)功能模塊的開發(fā)基于.NET平臺,采用C#編程語言進行開發(fā),后臺數(shù)據(jù)庫服務(wù)器為SQL Server,其中核心車間調(diào)度算法通過Matlab編寫,并生成動態(tài)鏈接庫文件,供系統(tǒng)調(diào)用。最后結(jié)合具體案例對系統(tǒng)進行測試,驗證系統(tǒng)的可行性。
[Abstract]:In the numerical control workshop of discrete manufacturing enterprise, the dynamic information of machine tool load, fault, tool residual life and so on will affect the formulation and execution of workshop scheduling scheme during the planning period. The traditional management of workshop resources usually focuses on the static information of workshop resources and neglects the management of dynamic information of workshop resources. In this paper, the management system of NC machining workshop based on dynamic resources is developed to realize the static and dynamic information management of production resources, such as workshop machine tool, cutter NC program, material, etc. On this basis, the workshop machine tool is considered. The dynamic resource information such as cutting tools is used to make the workshop scheduling plan which accords with the actual production of the workshop to avoid the problem of production shutdown caused by the machine tool the tool is not available or the machining ability is insufficient. The main contents of this paper are as follows: (1) firstly, the problems that still need to be solved in the management system of NC machining workshop at present are studied and analyzed, and the overall design scheme of NC machining workshop management system based on dynamic resources is put forward. The general framework and development environment of the NC workshop management system are determined. Finally, the design of the system database. 2) the resource information management of the NC machining workshop is studied. The system is mainly divided into workshop resource management module, scheduling model management module, job scheduling module and system assistant management module. For workshop resource management module, the information management of NC machining workshop resources based on dynamic resources is studied. Set up the resource management object model of NC machining workshop, complete the management of the basic static information of machine tool, cutting tool, material and other resources in the workshop, and manage the dynamic information of NC machine tool and tool, machining ability, etc. The dynamic correlation information management between NC machine tools and cutting tools is realized, and the workshop flexible job scheduling considering cutting tool flow is studied, which provides workshop dynamic resource information for workpiece processing. The tool factor is neglected in the traditional job shop scheduling process, and it is considered that the tool meets the requirement at any time. However, due to the increase of product diversity requirements and the constraints of tool acquisition cost, the tool resource constraints can not be ignored in the process of job shop scheduling. In this paper, a flexible scheduling model considering cutting tool flow is established. The process can be processed on multiple equipments, and the tools can be used on different equipments. Then, the ant colony genetic hybrid algorithm is designed to solve the problem. Ant colony algorithm (ACA) is used to solve the problem of determining flexible process route. Finally, the key decoding method considering tool conflict constraints in immune genetic algorithm (IGA) is studied by considering the constraint information of machine tools and tool resources in the process of optimizing the scheduling of workpieces. Generation of the required scheduling scheme. 4) system function module development and testing. The development of the system function module is based on. Net platform, using C # programming language to develop, the background database server is SQL Server, in which the core workshop scheduling algorithm is compiled by Matlab, and the dynamic link library file is generated for the system to call. Finally, combined with specific cases to test the system, verify the feasibility of the system.
【學位授予單位】：東華大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TG659;TP315

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