水稻病蟲害診斷模型構(gòu)建及智能咨詢識別系統(tǒng)的實(shí)現(xiàn).pdf

1、浙江大學(xué)碩士學(xué)位論文水稻病蟲害診斷模型構(gòu)建及智能咨詢識別系統(tǒng)的實(shí)現(xiàn)姓名：孫傳恒申請學(xué)位級別：碩士專業(yè)：農(nóng)業(yè)昆蟲與害蟲防治指導(dǎo)教師：唐啟義20050501Abs眥tAbstractThisthesisisonepartofthesIlb即gⅫntidedas”KeytechnologyResearchOnnetworkedRealtimeDiagnosismodelsandInteractivePlatformofRemoteIdenti

2、ficationforAgriculturalPests”oftheChinaNationalHighTechProgram(863Program)(2002AA243041)Inthethesis，diagnosisknowledgeofriceinsectpestsanddiseaseswassortedsystematicallyandstudiedindetail，andanintelligentdecisionmakingsy

3、stemwasdesignedandrealizedDiagnosismodelandinquireddiagnosissystemofriceinsectpestsanddiseasesalemainlycomposedofknowledgebase，knowledgeacquisition，integrateddatabaseandreasoningengineKnowledgebaseismainlyusedforstoringr

4、uleofdiagnosingriceinsectpestsanddiseases；knowledgeacquisitionwhichfacingtoagnculturalexpertsimplementesthefunctiontomodifyandexpandtheknowledgedatabase；Integrateddatabaseisusedforstoringthebasicinformationoffice，u8ersge

5、ttheinquiredinformationfromthedatabase；Accordingtotheoriginalinformation，ReasoningengineworksonthebaseofdiagnosismodelDuringthedesigningprocedure，basedonDelphi6Platform，theexpertsystemwasimplementedbyusingObjectOrientedp

6、rogrammingtechnology，ADO(ActiveXDataObjects)technologyandDatabasetechnologyThe麟1)ertsystemintegratedwiththedatabasetechnologytoaccoulplishthestoringandmanagementoftherulesforreasoningAdiagnosemethodofdiseasesandinsectspe

7、stsbasedoncharacterwaspresentedandrealizedinthispaperThloB出thearrangementandcollectionofthesymptomsofspeciesofdiseasesonthedifferentpartsofrice(1eaves，stem，panicle)andtheindividIlalcharaeterofspeciesofinsectpests，theknow

8、ledgebasewasimplementedbasedonthecharacterofricopestsanddiseasesAccordingtothecharacteristicsofriceinsectpestsanddiseases，severalmethodsofknowledgeexpressionwereappliedinthediagnosismodelOneknowledgeexpressionmethodadopt

9、edtherelationshipexpressionInthismethod，multiconditionalcompositionapproachwasusedtoex講B昭knowledgeandtostorealltheknowledgeintherelationaltableCorrespondinglytheinferredengineerWasdesignedbySQL(StructuredQueryLangnagc)la

10、nguageAnotherknowledgeexpressionmethodadoptedthewayofcharacterruletable，也塒u曲thecollectionandsortingthesymptomsofplantdiseasesandinsectpestsUsingBPfBackPrupagation)neuralnetworktheorythemulti—levelneuralcomplicatednetwork

11、architecturemodelwasbuilt，andadiagnosesubsystemofdiscusesandinsectpestsonthebasisofsymptomwasrealized7五e(cuò)systemefficientlycombinedthecomputertechnologywithknowledgeofexpertsinplantprotection，andintegratedthestoring，browsi

12、ngandinquiringfunctionofinformationofinsectpestsandplantdiseaseintocomprehensivebodyTheapplicationofGengrapMcInformationSystemandmultimediatechnologyaugmenteditspmcficabilityandintuitivenessforuselsItwasimportantandmeani

13、ngfulformitigatingthelackofexpertsinplantprotectionandimprovingthecapabilityofprotectionricefromricediseasesandinsecfpests，andhasteningthetransformationofachievementsofresearchanddevelopmentintoapplicationKeywords：ricedi