Development and experimental validation of a low-frequency dynamic model for a Hybrid Electric Vehicle Online publication date: Fri, 05-Dec-2014
by Kerem Koprubasi; Giorgio Rizzoni; Enrico Galvagno; Mauro Velardocchia
International Journal of Powertrains (IJPT), Vol. 1, No. 3, 2012
Abstract: This paper describes the development and experimental validation of a high-fidelity Hybrid Electric Vehicle (HEV) simulator that enables testing and calibration of energy management and driveline control strategies. The model is capable of predicting longitudinal vehicle responses that affect energy consumption and drivability in the low-to-mid frequency region (up to 10 Hz). The simulator focuses primarily on the drivetrain dynamics, while the dynamics of the actuators are represented by simplified models. The vehicle simulator is validated by a number of experiments that include electric only, engine only and hybrid operating conditions. The test vehicle has a through-the-road parallel hybrid architecture that utilises a dual electric machine configuration. Experimental results confirm that important driveline phenomena such as shunt, shuffle, torque holes and other transient disturbances related to operating mode changes are accurately predicted.
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