This paper presents a novel dual-clutch, transmission-less hybrid electric powertrain architecture using Dual Mechanical Port Machine (DMPM). The proposed architecture offers the vehicle to operate in four different modes i.e. charge depleting mode, charge sustaining mode, highway mode and braking mode. Power/energy flow in each operating mode is explored and operating characteristics of each prime mover in all four modes are analyzed. A detailed system level modeling is conducted for the proposed powertrain. The power split HEV offers a variety of control problems to insure its optimal performance. In this paper, a rule based control has been designed to meet some of the outlined control objectives. The simulation results show that the proposed HEV architecture with a rule based energy management scheme offers high fuel efficiency as compared to its conventional counterpart.

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