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Praktikanten / Bacheloranden / Masteranden m/w/d

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Comparing the CO2 Reduction Potential of different Energy control algorithms for Hybrid vehicles based on simulation and Engine in the Loop (EiL) testing

To cope with the upcoming emission legislations by considering the limitation of the real driving emissions (RDE) and the demand to reduce CO2-fleet-value further, it is mandatory to introduce particular vehicle electrification beside the conventional reduction measures. Full-Hybrid technology with high voltage-level (>130V) which can solve this issue is currently quite expensive due to the high battery cost. Due to this fact it is decided to investigate the potential of the so called „Mild-Hybrid“ approach with a 48V level. This technology is significantly easier to install to current vehicle platforms with a more affordable cost to benefit ratio.

Target of this Masterthesis is to analyze various control approaches for the energy management of a hybrid vehicle by realizing the different logic structures in Simulink. Further on the Hybrid control algorithms needs to be implemented into an already existing vehicle simulation model to adapt the controller calibration and to analyze the potential in terms of CO2 reduction. Finally the most promising variant should be transferred with an Engine in the Loop approach (EiL) to the engine test-bench to evaluate the potential on real engine compared to an already existing control algorithm.



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