轉(zhuǎn)子軸承系統(tǒng)油膜失穩(wěn)狀態(tài)分析及辨識(shí)

《轉(zhuǎn)子軸承系統(tǒng)油膜失穩(wěn)狀態(tài)分析及辨識(shí)》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。

1、密級(jí)公開(kāi)分類(lèi)號(hào)ＴＰ２０６＋．３＇ＡＮＸＩＴＥＣＨＮＯＬＯＧＩＣＡＬＵＮＩＶＥＲＳＩＴＹ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(shí)作者：孫攀龍指導(dǎo)教師：汪慶華副教授申請(qǐng)學(xué)位學(xué)科：機(jī)械制造及其自動(dòng)化２０１８年５月４日密級(jí)公開(kāi)分類(lèi)號(hào)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(shí)作者：孫攀龍指導(dǎo)教師：汪慶華副教授申請(qǐng)學(xué)位學(xué)科：機(jī)械制造及其自動(dòng)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(lái)源、研究背景及意義..........................................................................................11.1.1課題來(lái)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(wèn)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(pán)轉(zhuǎn)子-軸承系統(tǒng)非線性動(dòng)力學(xué)分析...................................................................