Development and validation of a hybrid electric vehicle with hydrogen internal combustion engine
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The motivation for the use of hydrogen as fuel is that it is renewable and can reduce emissions. Hydrogen fuel cell vehicles are still likely to be more of a far-term reality because of their high manufacturing cost. A hybrid electric vehicle (HEV) with a hydrogen fueled internal combustion (IC) engine has the potential to provide a low-emission, low-cost, practical solution in the near future. A standard SUV has been converted into a hydrogen powered HEV. The powertrain utilizes compressed gaseous hydrogen as fuel, a boosted hydrogen IC engine, an induction motor, a hydraulic transmission, regenerative braking, advanced Nickel Metal Hybrid (NiMH) batteries, and a real-time control system. Tests show that the vehicle can deliver higher fuel economy and much lower emissions than those of a traditional SUV without compromise to performance. This dissertation presents an overview of the prototype vehicle and emphasizes some of the unique features of this energy-saving, clean environment solution. Validation plays an important role in the software development, as it provides users the degree of accuracy of the software. Modeling tools could be validated using the data sources of vehicle testing. The testing data will be used for the comparison of model results and test data. However, not much work has been conducted to validate the modeling tools by other research work. This dissertation validates the modeling tools by the testing results of the hydrogen HEV.