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With the development of fuel cell technology, full-power fuel cell vehicles have gradually appeared on the market. Although the configuration of hybrid system can solve part of the durability problem caused by starting and stopping conditions, it faces the durability problem caused by variable load conditions. In this paper, wavelet transform is used to optimize the energy management strategy of a full-power fuel cell vehicle, the fuel cell is responsible for the low frequency part of the total output power, and the battery is responsible for the high-frequency part of the total output power. Thereby the durability of the fuel cell is optimized. In addition, this study also compares the power change rate before and after optimization under different cycling conditions, which illustrates the adaptability of this method. And the more aggressive of the drive pattern for test cycle, the more obvious the effect of this method on improving the durability of fuel cells.

Energy Management Control Strategy Optimization of Full Power Fuel Cell Vehicle Based on Wavelet Transform