Multiscale Noise and Vibration models for a Switched Reluctance-based drivetrain for EV and HEV

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Koen De Langhe, LMS International

Abstract

In this paper, an integrated multi-physics approach has been developed for the simulation of switched reluctance based drivetrain systems. Two methods are presented – one concerning the NVH modeling of such a motor, while the other focuses on a multi-scale thermal model of an electric vehicle. Both methods stem from a detailed functional model of the switched reluctance motor, which is then used as the main base for the thermal and NVH modeling cases. The main objective is to present the design process of both methods and to show how such a method can be used as a vehicle integration tool. Two simulation examples are shown, one for the NVH aspects and the other for the energy management system, to illustrate the capabilities of the methods.

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