Theoretical study of structural modification control and analytical model reduction of torsional vibration in FR-type automotive power drivetrain Online publication date: Thu, 29-May-2014
by Zhen-Hua Lu
International Journal of Vehicle Design (IJVD), Vol. 19, No. 4, 1998
Abstract: Problems of analysis and control of torsional vibrations of FR-type automotive power drivetrains are studied in this paper. First, a multi-degree-of-freedom analytical model of torsional vibration of a truck is developed, and its natural vibration characteristics are computationally analysed. Secondly, several possible and practical ways of structural modifications, i.e. modifications to stiffnesses, masses and dampings, for control of vibration and noise are numerically simulated. Thirdly, two special problems about torsional vibration analysis and analytical model reduction are investigated: (i) local vibration modes and their dominant substructures, and (ii) modal symmetry and analytical model simplification of symmetrically branched driving axle substructure.
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