Vehicle dynamics using multi-bond graphs: Four wheel electric vehicle modeling

This work addresses the development of a 4-wheels vehicle model capable to reproduce the complete dynamical behavior. The modeling task is firstly performed by the separated 3-D representation on the Dymola environment of the chassis, suspensions, tires and joints using the library for multi-bond graphs in 3-D mechanics. Secondly, these parts are connected to form the complete vehicle model. The compactness and resemblance with a real vehicle assembling is shown.The main contribution of this paper is to provide a model applicable to electric or hybrid vehicles where the complete dynamics can be simulated. The simulation results obtained illustrate ordinary situations where the inclusion of traction control and ABS are essential for the vehicle safety and stability.

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