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1、密級公開分類號ＴＰ２０６＋．３＇ＡＮＸＩＴＥＣＨＮＯＬＯＧＩＣＡＬＵＮＩＶＥＲＳＩＴＹ碩士學(xué)位論文？轉(zhuǎn)子軸承系統(tǒng)油膜失穩(wěn)狀態(tài)分析及辨識作者：孫攀龍指導(dǎo)教師：汪慶華副教授申請學(xué)位學(xué)科：機械制造及其自動化２０１８年５月４日密級公開分類號TP206+.3XI’ANTECHNOLOGICALUNIVERSITY碩士學(xué)位論文題目:轉(zhuǎn)子軸承系統(tǒng)油膜失穩(wěn)狀態(tài)分析及辨識作者：孫攀龍指導(dǎo)教師：汪慶華副教授申請學(xué)位學(xué)科：機械制造及其自動化2018年5月4日關(guān)鍵詞：油膜失穩(wěn)；不平衡力；Sugeno模糊積分；軸心軌跡；BP-FIComp
2、aredwiththenumericalanalysisresults,thenonlineardynamicmodelestablishedinthispapercantrulyreflecttheimpactoftheunbalancedquantityontheoilfilminstabilityprocess.Inordertorealizethefaultidentification,theotherfourfaultsarealsosimulatedintheexperimentsincludingthenormalrotationtest,themis
3、alignmenttest,therubbingtestandthemisalignmentunbalancedexperiment.Therecognitioneffectofasinglelearningmachineisinfluencedbytheinitialparameters,andtheBP-FImodelisintroduced.TheBP-FIfusiontechnologyisappliedtothefaultidentificationoftherotorbearingsystem,whichcanidentifyoilfilminstabi
4、lityfailurewithdifferenteccentricratiosanddifferenttypesofrotorsystemfailure.Moreover,theBP-FImodelhasahigherrecognitionrateandbetterstabilitythanasingleclassifier.KeyWords:oilfilminstability;unbalanceforce;sugenofuzzyintegral;axistrajectory;BP-FI目錄1緒論..................................
5、.....................................................................................................11.1課題來源、研究背景及意義..........................................................................................11.1.1課題來源.....................................................................
6、.............................................11.1.2研究背景及意義......................................................................................................11.2轉(zhuǎn)子軸承系統(tǒng)油膜失穩(wěn)問題的研究現(xiàn)狀......................................................................21.3模糊積分的研究現(xiàn)狀......................
7、................................................................................41.4論文安排與主要工作......................................................................................................52單跨雙轉(zhuǎn)盤轉(zhuǎn)子-軸承系統(tǒng)非線性動力學(xué)分析...................................................................
