NDLI: Localization phenomena in torsional rotating shaft systems with multiple centrifugal pendulum vibration absorbers

Content Provider	Springer Nature Link
Author	Nishimura, Keisuke Ikeda, Takashi Harata, Yuji
Copyright Year	2015
Abstract	The behavior of multiple centrifugal pendulum vibration absorbers (CPVAs) is investigated when they are installed on a rotor in order to suppress torsional vibrations of an elastic, rotating shaft. Linear torsion springs are installed at the supporting points of the CPVAs in order to observe localization phenomena of torsional vibrations in rotating shaft systems. Natural frequency diagrams reveal the existence of a resonance point which implies that localization phenomena may occur in the CPVAs. Van der Pol’s method is employed to determine frequency response curves considering the nonlinearities of the CPVAs. Theoretical results show that localization phenomena occur in the CPVAs at two driving shaft speed ranges near the resonance point where the fluctuation frequency of the driving shaft speed equals the mean rotational speed. Localization phenomena with constant and modulated amplitudes, including chaotic vibrations, appear depending on the stiffnesses of the torsion springs and the radial distances of the CPVAs. Bifurcation sets are calculated to show the rotational speed range where localization phenomena occur. The influence of the fluctuation amplitude of the driving shaft speed on response curves is also examined for both high and low mean rotational speeds. Furthermore, frequency response curves are calculated when the fluctuation frequency of the driving shaft speed equals twice the mean rotational speed.
Starting Page	1705
Ending Page	1726
Page Count	22
File Format	PDF
ISSN	0924090X
Journal	Nonlinear Dynamics
Volume Number	83
Issue Number	3
e-ISSN	1573269X
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-10-20
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nonlinear torsional vibration Centrifugal pendulum vibration absorber Frequency response curve Localization phenomenon Hopf bifurcation Amplitude-modulated motion Vibration, Dynamical Systems, Control Mechanics Mechanical Engineering Automotive Engineering
Content Type	Text
Resource Type	Article
Subject	Ocean Engineering Applied Mathematics Control and Systems Engineering Mechanical Engineering Electrical and Electronic Engineering Aerospace Engineering

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