Abstract

Pollution and limited fossil fuels are the critical issues that lead HEVs to emerge. Nowadays new designs and topologies of HEVs are suggesting and developing. In this paper we have dynamically modeled and simulated a new structure of series-parallel HEV based on a special machine named Transmotor and applied it to Toyota Prius 2004. In This structure, generator and planetary gear in common series-parallel HEV structure are replaced with a Transmotor resulting in a simpler HEV structure. Transmotor performs as a speed coupler between ICE and wheels. Performance of this structure has been compared with those given in DOE reports for Toyota Prius 2004.