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西安工程大学本科毕业论文I天鑫食品加工厂复合式熏烤机更新决策研究摘要设备是工业生产的基本手段，是企业生产的重要物质保障。传统的设备管理方式偏重于技术管理，决策方法也侧重于基本投资额即购置费用的数额，片面强调投资少、见效快的思想，即单从技术角度出发考虑问题，没有综合考虑经济因素。为改善这一问题，论文将经济寿命理论应用到更新决策中，并在其基础上对复合式熏烤机的更新决策进行研究，从经济角度为管理者提供了定量的决策依据，使决策更具综合性、现实性和科学性。为解决复合式熏烤机更新决策方面的问题，对复合式熏烤机的经济寿命进行了计算，并对其结果进行了分析，讨论了复合式熏烤机更新时机的选择，构造出两种不同的更新方案。对复合式熏烤机更新方案进行了评价。结合复合式熏烤机的特点，采用寿命期内年均总费用法对复合式熏烤机更新方案进行评价分析。通过计算比较备选方案的年均总费用，获得最佳的更新方案。关键词：复合式熏烤机；更新决策；经济寿命；评价西安工程大学本科毕业论文IIResearchonRenewalDecisionMakingofCompositeFumeBakeMachineofTianxinFood-ProcessingPlantAbstractAsimportantpartsofenterpriseassets,equipmentsareoneoffoundationsofproduction.Traditionally,technicalmanagementisemphasizedoninequipmentmanagement.Meanwhile,initialinvestmentisfocusedonindecisionmakingmethodstoachievelessinvestmentandfastbenefit.Fordealingwithcomplexissues,itislackofscientificrationalitythatwillleadtothedeviationfromthebesttimeoftheequipmentupdate,oraftertheimplementationofupdating,theeffectoftheprojectisnotsatisfactory,thatresultineconomiclosses.Inordertoimprovethisissue,thetheoryofeconomiclifeisappliedtotheupdatedecision-makinginthethesis,andstudytheupdatedecision-makingofthecompositefumebakemachineonthebasisofit.Itprovidesaquantitativebasisfordecision-makingfromtheeconomicpointofviewformanagers.Itmakesthedecision-makingmoreintegrated,realisticandscientific.Theeconomiclifeofcompositefumebakemachineiscalculatedtosolvetheproblemofitsdecision-making.Theresultsareanalyzedtodiscussthetimingofcompositefumebakemachineupdates,andtwodifferentupdateschemesareconstructed.Thecompositefumebakemachineupdateschemesareevaluated.Combinedwiththecharacteristicsofthecompositefumebakemachine,theaverageannualtotalcostinthelifeiscalculatedtoevaluatethecompositefumebakemachineupdatescheme.Theresultsarecomparedtogetthebestupdatescheme.KeyWords:Compositefumebakemachine;Updatedecision-making;Economiclife;Evaluation西安工程大学本科毕业论文III目录1绪论......................................................................................................................................11.1研究背景.......................................................................................................................11.2研究的目的及意义.......................................................................................................21.3研究的主要内容及结构...............................................................................................32相关指导理论......................................................................................................................52.1设备更新理论...............................................................................................................52.2设备寿命周期费用理论...............................................................................................62.3设备经济寿命理论.......................................................................................................82.3.1设备经济寿命的确定方法....................................................................................82.3.2三种确定方法的适用范围及局限性....................................................................83天鑫食品加工厂复合式熏烤机现状分析..........................................................................93.1企业简介及现状分析...................................................................................................93.2复合式熏烤机概述.......................................................................................................93.3复合式熏烤机现状分析.............................................................................................113.3.1复合式熏烤机现状分析......................................................................................113.3.2复合式熏烤机更新的必要性..............................................................................124天鑫食品加工厂复合式熏烤机更新时期确定及更新方案构造....................................154.1复合式熏烤机经济寿命计算及结果分析.................................................................154.1.1经济寿命计算方法..............................................................................................154.1.2计算过程及结果分析..........................................................................................174.2复合式熏烤机更新方案的构造.................................................................................195天鑫食品加工厂复合式熏烤机更新方案的评价与确定................................................215.1复合式熏烤机更新方案评价方法的确定.................................................................215.1.1复合式熏烤机更新方案的评价方法..................................................................215.1.2复合式熏烤机更新方案评价方法的确定..........................................................25西安工程大学本科毕业论文IV5.2数据的收集整理及参数选取.....................................................................................265.3各更新方案的结果分析与更新方案的确定.............................................................265.3.1各更新方案的结果计算......................................................................................265.3.2更新方案的确定..................................................................................................27结论与展望............................................................................................................................28致谢.............