山西国际商务职业学院

《山西国际商务职业学院》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、山西国际商务职业学院毕业设计实例论证一般进出口货物报关程序A学生姓名毕世媛AA学号20070510123AA系别国际贸易经济系AA专业报关与国际货运AA指导教师李彦荣AA填写日期　二〇一〇年三月　AShanxiInternationalBusinessVocationalCollegeGraduationStudyandDesignontheExpertSystemofDiagnosisDieselEngineStudentNameBiYuanStudentID20070510123BranchesoftheDepartmentof

2、InternationalTradeandEconomicProfessionalcustomsandinternationalfreightInstructorLiYanrongFillindateofMarch2010目　　录1引言11.1研究本课题的目的和意义11.2本课题国内外研究现状11.3研究内容及研究方法22故障诊断专家系统分析及开发简介32.1农用柴油机故障类型32.2专业领域知识库的生成及知识表示32.3开发工具简介33故障诊断专家系统的基本原理53.1发动机故障形成原因53.2发动机故障诊断方法53.3故障诊断的

3、故障树依据原理63.3.1数据结构基本原理及基本概念63.3.2树状结构介绍63.3.3发动机故障树与树状数据结构73.3.4二叉树及其操作73.3.5森林与二叉树的转换103.3.6故障森林与故障二叉树的转换103.4故障诊断的知识表示103.5故障诊断推理机制基本思想103.6诊断流程114基于VFP的诊断型专家系统的实现124.1概述124.2系统功能简介124.3系统主要实现的模块功能124.3.1项目的建立12III4.3.2知识库的建立步骤124.3.3故障诊断推理模块124.3.4图片资料的利用124.3.5知识库修改

4、完善134.3.6知识库浏览、打印模块144.4总结144.4.1系统数据库的建立144.4.2系统特点145结论与建议165.1结论165.2建议16参考文献17致谢20附录21IIICONTENTS1Introduction11.1ResearchPurposeAndSignificanceOfThisTopic11.2ResearchTopicsAtHomeAndAbroad11.3TheStudyAndResearchMethod22FaultDiagnosisExpertSystemAnalysisAndDevelopme

5、ntIntroduction32.1AgriculturalDieselEngineFaultType32.2TheAreasOfExpertiseAndKnowledgeThatBuildTheKnowledgeBase32.3DevelopmentToolsOverview33FaultDiagnosisExpertSystemForTheBasicPrinciplesOf53.1EngineFailureCauses53.2EngineFaultDiagnosisMethod53.3FaultDiagnosisBasedOnP

6、rinciplesOfFaultTree63.3.1TheBasicPrincipleOfDataStructureAndBasicConcepts63.3.2IntroductionTreeStructure63.3.3EngineFaultTreeAndTheTreeDataStructure73.3.4BinaryTreeAndItsOperation73.3.5ForestAndBinaryConversion103.3.6FaultAndFaultBinaryConversionOfForest103.4FaultDiag

7、nosisKnowledgeRepresentation103.5TheBasicIdeaOfFaultDiagnosisInferenceMechanism103.6DiagnosticProcess114BasedOnTheDiagnosisOfVfp-BasedExpertSystem124.1Overview124.2SystemFunctionDescription124.3TheSystemIsMainlyToAchieveTheModuleFunction124.3.1TheEstablishmentOfTheProj

8、ect12III4.3.2KnowledgeBaseOfTheSteps124.3.3FaultDiagnosisReasoningModule124.3.4TheUseOfImageData124.3.5ReviseAndImpro