Sliding Mode Control for frequency-based energy management strategy of hybrid Storage System in vehicular application

All hybrid electric systems require an energy management strategy to share out the energy flow between its several sources or storage devices. This paper proposes a sliding mode control of battery ultracapacitor hybrid system associated to a frequency-based energy management strategy. The adopted energy management ensures the distribution of the load power requirement between the two sources taking into account its dynamic and energetic constraints. Simulation results, obtained by using Matlab®/ Simulink®, are given in order to highlight the relevance of the proposed approach.