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Maximizing Overall Efficiency Strategy (MOES) for Power Split Control of a Parallel Hybrid Electric Vehicle
ISSN: 0148-7191, e-ISSN: 2688-3627
Published October 07, 2008 by SAE International in United States
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In a Hybrid Electric Vehicle (HEV), the main aim is to decrease the fuel consumption and emissions without significant loss of driving performance. Maximizing Overall Efficiency Strategy (MOES) algorithm, presented here, distributes the power demand among the available paths to the wheels to improve fuel economy. In MOES, the vehicle is considered as a system whose input and output are power capability of consumed fuel and actual power transferred to the road, respectively. The aim of the strategy is to maximize the overall efficiency of the vehicle determined as the ratio of output power to input power. The control algorithm and driver model were prepared within Simulink and used to drive the Carmaker model of the vehicle which is a Ford Transit hybrid electric research prototype van. Simulations were carried out in 3 modes of the vehicle; conventional mode, regenerative braking only mode and full MOES mode to analyze the role of optimization better. The fuel economy which was achieved with MOES was 38.76% better than that of the conventional mode of the vehicle. All the operating points and efficiency values of the components are displayed in the simulation results.
CitationSezer, V., Uygan, I., Hartavi, A., Güvenç, L. et al., "Maximizing Overall Efficiency Strategy (MOES) for Power Split Control of a Parallel Hybrid Electric Vehicle," SAE Technical Paper 2008-01-2682, 2008, https://doi.org/10.4271/2008-01-2682.
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