... elastic constants force feedback force measurement Lyapunov methods machine bearings magnetic bearings nonlinear acoustics rotors stators structural acoustics vibrations Literature on analysis and prediction of vibration behavior in nonlinear rotor-bearing systems is now extensive. Some...

... influences the dynamic behavior of the machine. The rotor motions’ coupling due to combi-bearing changes the system’s natural frequencies and vibration modes. 27 03 2011 13 07 2011 14 07 2011 28 11 2011 28 11 2011 angular velocity elastic constants hydrodynamics machine...

... equilibriums. 28 01 2010 11 03 2011 12 10 2011 machine bearings rotors structural acoustics temperature distribution vibrations rotor bearing Morton Effect instability mid-span Using an assumption of isotropic linear bearings, the mechanism of the Morton Effect...

... 11 03 2011 04 10 2011 04 10 2011 damping machine bearings rotors structural acoustics thermal stability vibrations rotor bearing Morton Effect instability mid-span Since Newkirk found “oil film whirl” in 1925 [( 1 )], the instability of rotor-hydrodynamic...

... currents electrodynamics machine bearings structural acoustics eddy current induction bearing rotordynamics stability electromechanical interaction The principle of electrodynamic bearings (EDBs) relies on the motion of a conductor in a magnetic field. The resulting variation...

.... abrasion elastic constants impact (mechanical) lubrication machine bearings mechanical contact mechanical guides nonlinear estimation rotors stators vibration control 21 08 2009 16 04 2010 01 03 2011 01 03 2011 2011 American Society of Mechanical Engineers ...

...-pad TPJB is shown in Fig. 1 . damping eigenvalues and eigenfunctions elastic constants frequency response machine bearings modal analysis reduced order systems shafts state-space methods structural acoustics thermal analysis vibrations 27 06 2009 28 01 2010 26 08...

... 2010 machine bearings rotors shafts structural acoustics vibrations It has been known for many years that thermal temperature gradients across a rotor can alter the amplitude and phase of synchronous vibration. This is due to bowing of the shaft caused by a temperature difference...

... address the sophisticated vibration isolation requirements particular to the VDE systems. 11 04 2009 23 03 2010 15 07 2010 15 07 2010 automotive components bushings electromagnetic actuators engines hydraulic control equipment machine bearings solenoids vibration...

... 28 04 2010 28 04 2010 acoustic emission acoustic emission testing active noise control machine bearings statistics acoustic emission condition monitoring denoising DWT SANC spectral subtraction rolling bearing Acoustic emission (AE) results from the release...

... distributions and thus identify the type of looseness fault at machinery. electric machines fault diagnosis Hilbert transforms machine bearings rotors vibrations HHT EEMD looseness fault diagnosis vibration analysis marginal Hilbert spectrum Because of long-term running or improper...

... of brackets mounted on an air-bearing spindle and a fluid-dynamic bearing spindle at various spin speeds. Measured Campbell diagrams agree well with the theoretical predictions. 20 01 2009 27 03 2009 11 09 2009 machine bearings rotors vibrations Rotary machines appear in many...

... instantaneous voltage change, and maintain uninterrupted energy supply and so on ( 1 2 3 4 5 ). flywheel energy storage system hybrid bearing rotor dynamics squeeze film dampers finite element method transmitted force flywheels machine bearings magnetic bearings vibration control...

.... signature extraction wavelet transform bearing diagnosis deconvolution feature extraction Fourier transforms machine bearings vibration measurement wavelet transforms 05 05 2008 07 04 2009 18 06 2009 To evaluate the effectiveness of the unified time-scale-frequency...

... primary and secondary frequency branches from the waterfall plots agree well with those predicted analytically. 22 10 2007 29 06 2008 18 02 2009 discs (structures) Doppler measurement Fourier analysis gyroscopes machine bearings measurement by laser beam rotors softening...

...-loosening threaded fasteners bending fasteners machine bearings shear strength torque vibrations 12 11 2007 01 07 2008 18 02 2009 Experimental and analytical data on the twisting torque for a bolt preload of 9780 N Similarly, Fig. 18 shows...

... in ensuring a stable operating range to the rotor is studied by means of root loci. Comparison with literature results is finally used to validate the model. 07 02 2008 12 07 2008 15 10 2008 damping electromagnetic induction machine bearings magnetic bearings rotors stability...

... in Fig. 6 is approximately equal to 1:10. 28 11 2006 17 10 2007 03 04 2008 compressors finite difference methods finite element analysis lubrication machine bearings nonlinear systems rotors In building a rotating medium model the axial cross section of some RS...

.... , 2006 , “ Development of Acoustic Emission Technology for Condition Monitoring and Diagnosis of Rotating Machines: Bearings, Pumps, Gearboxes, Engines and Rotating Structures ,” Shock Vib. Dig. 0583-1024 10.1177/0583102405059054 , 38 ( 1 ), pp. 3 – 16 . Dowson , D. , and Higginson , G...

... friction machine bearings fasteners vibrations clamps lubricating oils coatings self-loosening vibration loosening thread friction bearing friction fastener coating and lubrication There have been several studies on the self-loosening of threaded fasteners; most of them...