Ride blending control for electric vehicles

Ricciardi, Vincenzo; Ivanov, Valentin GND; Dhaens, Miguel; Vandersmissen, Bert; Geraerts, Marc; Savitski, Dzmitry GND; Augsburg, Klaus GND

Vehicles equipped with in-wheel motors (IWMs) feature advanced control functions that allow for enhanced vehicle dynamics and stability. However, these improvements occur to the detriment of ride comfort due to the increased unsprung mass. This study investigates the driving comfort enhancement in electric vehicles that can be achieved through blended control of IWMs and active suspensions (ASs). The term “ride blending”, coined in a previous authors’ work and herein retained, is proposed by analogy with the brake blending to identify the blended action of IWMs and ASs. In the present work, the superior performance of the ride blending control is demonstrated against several driving manoeuvres typically used for the evaluation of the ride quality. The effectiveness of the proposed ride blending control is confirmed by the improved key performance indexes associated with driving comfort and active safety. The simulation results refer to the comparison of the conventional sport utility vehicle (SUV) equipped with a passive suspension system and its electric version provided with ride blending control. The simulation analysis is conducted with an experimentally validated vehicle model in CarMaker® and MATLAB/Simulink co-simulation environment including high-fidelity vehicle subsystems models.

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Ricciardi, V., Ivanov, V., Dhaens, M., Vandersmissen, B., Geraerts, M., Savitski, D., Augsburg, K., 2019. Ride blending control for electric vehicles. World electric vehicle journal 10, 2019, art. 36. https://doi.org/10.3390/wevj10020036
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