Dynamic Behavior of a Harmonically Excited Electromechanical Drive With Elastic Couplings

[+] Author and Article Information
V. Chaika, M. Mariunas

Department of Mechanics, Technical University of Vilnius, Basanaviciaus 28, 2009 Vilnius, Lithuania

J. Vib. Acoust 119(1), 21-30 (Jan 01, 1997) (10 pages) doi:10.1115/1.2889683 History: Received September 01, 1993; Online February 26, 2008


Steady-state vibration of a lumped rotary system containing an electric drive is considered. The system is subjected to the harmonic excitation caused by the variation of voltage of the electric motor and the resisting torque of the operating machine. The influence of several types of elastic couplings on the dynamic behavior of an electromechanical drive is investigated. Numerical-analytical methods of nonlinear vibration analysis are applied. Frequency-response curves of rotary machines for different coupling cases are obtained. A numerical optimization technique for the estimation of the rational parameter values of the system is developed. Vibration controlling properties of standard and centrifugal couplings are compared.

Copyright © 1997 by The American Society of Mechanical Engineers
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