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Range-extended electric vehicles (REEVs) are becoming a development trend of new vehicles. Energy management is one of the core problems in REEVs. The structure and control method of the auxiliary power unit (APU) is determined based on the configuration analysis in this paper. An energy management optimization problem is proposed to solve the power distributions of APUs and batteries in the charge-sustaining...
A kind of APU scheme is determined for REEVs. Dynamic models of engine, generator and controllers are built. An experiment platform is built to verify the accuracy of models. Based on vehicle accelerating condition, the simulation of generator toque control and current control was analyzed, of which the results showed that toque control was better than current control on engine speed tracking.
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