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Power management of PHEV using quadratic programming

This paper studies the power management of a plug-in hybrid electric vehicle (PHEV) using quadratic programming. The proposed quadratic programming can obtain the global optimal solution of the power distribution between battery/motor and engine while maintaining vehicle performance. Computation time can be significantly saved compared with dynamic programming. Therefore, it can be used in real-time realisation. Two typical driving cycles, namely, UDDS and HWFET driving cycles are used to test the effectiveness of optimisation strategy. The simulation results indicate that significant amount of fuel can be saved with the proposed method.