"Simulation of Hybrid Electric Recreational Vehicles"
Simulation of Hybrid Electric Recreational Vehicles
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In this thesis, the potential of a hybrid electric three-wheeler compared to three different combustion propelled models is studied. The thesis first explains the development of a vehicle simulation model of the existing vehicle with a conventional internal combustion engine (ICE) realized with Matlab® and Simulink®. After alignment with measured data this simulation model was adapted to two future ICE propelled models. Then the extension to the hybrid electric model is described. Studying the potential of a hybrid electric propulsion system requires a complex energy management to fully use the possible efficiency benefits. Hence, development and optimization of an operating strategy are an essential part of this thesis. Analysis of the simulation results leads to the comparison of technologies while the key points of interest are fuel consumption in world motorcycle test cycle (WMTC) and driving performances. Finally the simulation results show a high potential of the hybrid electric model as it consumes 19% less fuel than the reference model equipped with the identical internal combustion engine (ICE) while it has better acceleration and top speed.