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Loose Rotor Rub Bearing System Stability


Its stability analysis. Vibration Engineering, 2000; 13 (1): 3o a 364 Luo Yuegang, had Ocean Spring, Li Zhenping, et al. Loose touch Rotor System based on the chaotic characteristics. Vibration Engineering,[link widoczny dla zalogowanych], 2003; 16 (2) :184-1885CaponeG. DescrizionAnaliticaDelCampoDiForzeFluidodinamicoNeiCuscinettiCilindriciLubrificati. L'EnergiaElettrica, 1991; 3:1 O5-1106 Liu Heng,[link widoczny dla zalogowanych], Yu Lie, Xie Youbai, et al. Nonlinear Unbalanced Rotor Bearing System solutions forecast. Aerospace,[link widoczny dla zalogowanych], 1999; 14 (1) :74-787 Li Qingyang, Mo Zi, the Qi Liqun. Numerical solution of nonlinear equations. Beijing: Science Press. 19978PressWH, TeukolskySA, VetterlingWT. FlanneryBP. C-numerical algorithm program Daquan. 2. Beijing: Electronic Industry Press, 1995DynamicsofRotor-BearingSystemwithCouplingFaultsofPedestalLoosenessandRub-ImpactLiuChangliYaoHongliangLuoYuegangWenBangchun (SchoolofMechanicalEngineering & Automation, NortheasternUniversity, Shenyang,[link widoczny dla zalogowanych], 110004, China) Abstract: Basedonthenonlineardynamicmodelofrotor-bearingsystemwithrub-impactandpedestallooseness, thestabilityoftheperiodicmotionofthesystemisstudiedbycontinuation ・-shootingmethodfortheperiodicsolutionofnonlinearnon. -Au. . tonomoussystem. Thebifurcationpointsetsintheunbalance-rotatingspeedandclearance-rotatingspeedplaneareobtained. Thefollowingconclusionsaredrew: TheperiodicmotionofthesystemlosestabilitybyHopfanddoublingbifurcationrespec-tivelyunderbothsmallandlargeunbalance; thesystemwithcouplefaultshasthesamedisciplineoflosingstabilityasthesystemwithrub-impact. TheHopfbifurcationpointsetiroadenedastheclearancebetweenrotorandstatordecreases. TheresultsofthepapermayprovidetheoryreferencestOfaultdiagnoses,[link widoczny dla zalogowanych], vibrationcontrolandsafetyoperatingoftherotorsys-terf1. Keywords: bearings; rotors; pedestallooseness; rub; stability; bifurcation first author: VIBRATION AND SHOCK, male, Ph.D., February 1974 students. Tel; (021) 64252074; E-mail: changliliu74 @ sohu. com

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