毕业论文—车间作业变批量调度优化研究

沈阳建筑大学毕业论文毕业论文题目车间作业变批量调度优化研究学院专业班级学生姓名性别指导教师职称年月日I摘要随着市场经济的发展，市场竞争日趋激烈，多品种、小批量生产方式已经逐渐成为制造业的发展主流。因此，为了适应日益激烈的市场竞争，就要求制造企业能够合理安排工序，高效利用生产资源，降低生产成本。研究变批量调度的优化方法，对于制造业的现代化具有重要的理论价值和实际意义。本文介绍了作业车间调度的概念及其发展过程、研究背景和发展趋势；对车间调度的各种研究方法进行了简要的介绍和比较；对Job-Shop批量调度问题进行了研究并做了详细阐述。对Job-Shop调度过程中的变批量调度与传统调度进行研究比较；并基于eM-Plant软件，建立以生产周期为优化目标和以提前、拖期惩罚费用以及与生产周期相关的生产线运行费用之和为优化目标的不同的仿真模型；通过实例仿真，比较两种方案的优劣，证明变批量调度在Job-Shop调度中的作用。关键字：作业车间；批量调度；变批量；仿真IIAbstractWiththedevelopmentofmarketeconomy,marketcompetitionbecomesincreasinglyfierce,varietyandsmallbatchproductionmodehasbecomethemainwayofmanufacturinggradually.Inordertoadapttotheincreasinglyfiercecompetitioninthemarket,manufactureenterprisesshouldbeaskedtorangesequencesrationally,takeadvantageofresourceefficiently,shortentimelimitforaprojectandreducethecostofproducing.Thestudyofoptimizationmethodforbatchschedulingisveryimportanttomodernizationofadvancedmanufacturingbecauseofitstheoreticalandpracticalsignificance.Theconception,developmentandthemainresearchesincurrentandinthefutureofjobshopschedulingareintroduces;someresearchmethodsareintroducedandcompared;StudytheJob-shopbatchschedulingproblemanddoadetaileddescription.Studythelotsplittingschedulingandthenon-lotsplittingschedulingintheprocessoftheJob-ShopScheduling,andcomparethem;basedoneM-Plantsoftware,setupdifferentsimulationmodelswithproductioncycleasoptimizedobjectandwiththesumofthepunishcostsofabvanceandtardinessandtheoperationcostsofproductionlinewhichrelatedtoproductioncycleasoptimizedobject;throughthesimulationtocomparethetwoschemeoftheprosandcons,toprovetheroleoflotsplittingschedulinginjob-shopscheduling.Keywords:Job-shop;batchsheduling;lotsplitting;simulationIII目录摘要................................................................................................................................................IAbstract.......................................................................................................................................II目录.............................................................................................................................................III第一章绪论...............................................................................................................................11.1选题背景及研究意义.........................................................................................................11.1.1选题背景..........................................................................................................................11.1.2研究意义............................................................................................................................21.2车间调度问题概述.............................................................................................................31.3变批量调度问题.................................................................................................................31.4本文研究的主要内容........................................................................................................4第二章车间作业变批量调度问题研究...............................................................................52.1引言........................................................................................................................................52.1.1变批量调度基本概念的介绍......................................................................................52.1.2变批量调度问题的提出...............................................................................................52.2变批量调度问题的描述及其分类..................................................................................62.2.1变批量调度问题的描述...............................................................................................62.2.2变批量调度问题的分类...............................................................................................62.3变批量调度与传统调度的比较......................................................................................72.3.1传统调度问题描述........................................................................................................72.3.2传统调度方法的一般假设条件..................................................................................72.3.3变批量调度问题的一般假设条件..............................................................................82.3.4变批量调度与传统调度比较......................................................................................82.4变批量调度模型建立........................................................................................................92.5变批量调度研究现状......................................................................................................11第三章车间作业变批量调度算法研究...........................................................................123.1区分批次准备时间和工件加工时间...........................................................................12IV3.2分批策略.............................................................................................................................133.2.1分批基本理论...............................................................................................................133.2.2批量大小与生产周期的关系..........