Novel flexible hybrid electric system and adaptive online-optimal energy management controller for plug-in hybrid electric vehicles

Abstract

In order to achieve the improvement of the driving comfort and energy efficiency, an new e-CVT flexible full hybrid electric system (E2FHS) is proposed, which uses an integrated main drive motor and generator to take the place of the original automatic or manual transmission to realize the functions of continuously variable transmission (e-CVT). The design and prototype realization of the E2FHS system for a plug-in hybrid vehicle (PHEV) is performed. In order to analyze and optimize the parameters and the power flux between different parts of the E2FHS, simulation software is developed. Especially, in order to optimize the performance of the energy economy improvement of the E2FHS, the effect of the different energy management controllers is investigated, and an adaptive online-optimal energy management controller for the E2FHS is built and validated by the prototype PHEV.

Keywords

e-CVT flexible full hybrid electric system / adaptive online-optimal controller / plug-in hybrid vehicle

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