Abstract
This paper focuses on the dynamic analysis and powertrain control of a hybrid electric vehicle equipped with a dual mode electrically variable transmission. The EVT 2-mode is based on a power-split mechanical architecture that can operate in two different configurations, input and compound split, so that the overall efficiency, compared to EVT single-mode, is optimized for different driving conditions, thanks to an additional mechanical point where the power flow path from ICE to wheels is purely mechanical. After a preliminary static and kinematic analysis of the electro-mechanical system, a design method for the power-train control logic is shown. The model of the system is implemented in a commercial multi-domain 1-D simulation platform. Simulation results prove the efficacy of the proposed control logic to achieve the two opposite targets set in the design phase of the algorithm, full acceleration performance and fuel economy.
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Tinelli, V., Galvagno, E., Velardocchia, M. (2019). Dynamic Analysis and Control of a Dual Mode Electrically Variable Transmission. In: Uhl, T. (eds) Advances in Mechanism and Machine Science. IFToMM WC 2019. Mechanisms and Machine Science, vol 73. Springer, Cham. https://doi.org/10.1007/978-3-030-20131-9_368
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DOI: https://doi.org/10.1007/978-3-030-20131-9_368
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