Abstract
A control strategy based on drive-cycle recognition is proposed for the energy management control of plug-in fuel cell hybrid vehicle. Firstly, the drive-cycle recognition fuzzy controller was designed and the battery target SOC was adjusted according to the drive-cycle recognition results; Secondly, with the goal of improving the economy of the vehicle and the durability of the fuel cell, the energy management fuzzy controller and the fuel cell switch controller were designed, energy distribution of dual power source was realized combined with the target SOC control result; Finally, the comprehensive drive-cycle condition was established, the drive-cycle recognition strategy was simulated and verified basing on the MATLAB/Simulink simulation platform. The results show that the strategy achieves a reasonable adjustment to the target SOC of the battery, compared with the power following strategy, the hydrogen consumption is reduced by 7.8%, which reduces the occurrences of factors which affect negatively durability of fuel cell.
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