Modeling of High-Speed Motor Drive Systems Considering Two Kinds of Vibrations

Abstract

In order to realize energy-saving motor drive systems, the energy consumed by the motor drive must be reduced as more as possible. To this end, we propose a new and integrated model for motor drives including both the bending vibration and the torsional vibration as well as the gyroscopic effect in this paper. Special attention is paid to the coupling of these two kinds of vibrations. The approach is based on Lagrangian mechanics and the precise computation of the energies in the bending vibration and the torsion vibration from the viewpoint of flexible material mechanics.