当前文档修改密码:8362839基于多Agent的制造执行系统的功能模块设计摘要离散型制造企业其生产产品种类多、结构复杂、数据信息量大,生产过程包含众多变化和不确定因素,这些使得企业的过程控制复杂、多变。基于多Agent的制造执行管理系统MES(ManufacturingExecutionSystem)能够提高计划过程的实时性和有效性,增强生产管理过程的响应能力,同时改善资源管理的运行效率,是与之相适应的现代生产管理方式。本课题以某软包装设备总厂有限公司机加工车间为应用背景,使用某一机型印刷机生产的历史数据,采用Java语言编程,以AgentBuilder为平台,在已建立的系统数据库基础上,通过基于单件小批量生产模式的简单车间调度算法,进行MES车间调度功能模块的设计仿真实现,得出相应结果并对其进行分析。在通过了解Agent的结构、通信语言的基础上,研究了Agent的封装及各个Agent之间的通信。通过Agent的封装和通信来实现MES的调度功能模块,从而形成一个基于多Agent的制造执行系统的功能模块。关键词:MES;多Agent系统;调度算法;仿真;Agent封装DesignoftheFunctionModuleofMulti-agentBasedManufacturingExecutionSystemAbstractTheprocesscontrolindiscretemanufacturingenterprisesiscomplicatedandvariable.Becauseproductsoftheenterprisesaregreatvariety,complexstructureandenormousinformation,besidesitsproductionprocesscontainsmanychangesanduncertainfactors.Multi-agentbasedManufacturingExecutionSystem(MES)canimprovethereal-timeandeffectivenessofplanningprocessandenhancetheresponseabilityoftheProductionManagementProcess,atthesametime,itcanimprovetheoperationefficiencyofresourcemanagement.Inshort,it’samodernizedproductionmanagementmethodthatfitstodiscretemanufacturingenterprises.ThistopicchoosesamachiningworkshopofflexiblepackagingequipmentCo.,Ltdasitsapplicationbackground,anAgentBuilderasitsplatform.Toachievethesimulationofplanning,weusethehistoricaldataofaprintingmachine’sproductionandJavaprogramminglanguage.Basedonalreadyestablishedthesystemdatabase,thesimulationdesignofMESshopschedulingfunctionmodulescanbecarriedoutbyusingtheshopschedulingalgorithmwhichisbasedonthepatternofsingleandsmallbatchproduction.Thenweobtainthesimulationresultswhichareusetoanalyzetheaccuracyofthefunctionmodules.ThoroughunderstandingthestructureandcommunicationlanguageofAgents,wedoaresearchinhowtoencapsulateAgentsandcommunicatebetweendifferentAgents.Thenthemulti-agentbasedMESshopschedulingfunctionmodulesarebuiltthroughtheresearch.Keywords:MES;Multi-AgentSystem;shopschedulingalgorithm;simulation;encapsulateAgents目录1、绪论..........................................................................................................................11.1本研究课题的背景和意义..............................................................................11.2本研究课题相关领域现状..............................................................................11.2.1MES介绍............................................................................................................11.2.2MES国内外应用现状.....................................................................................21.2.3车间调度...........................................................................................................21.2.4基于多Agent的制造执行系统..................................................................21.3本研究课题的主要内容.................................................................................32、基于多Agent的MES介绍................................................................................