Losses Minimization Control for an Integrated Multi- Drives Topology devoted to Hybrid Electric Vehicles [IEEE Transactions on Industrial Electronics, 2019]

This paper deals with the study and implementation of a losses minimization control strategy for an integrated multi- drives topology (IMD) used in the drivetrain of parallel hybrid electric vehicles. In this IMD the stator sections of a multi-winding induction machine are interfaced to the storage units through standard three-phase inverters. The goal of this study is to optimize the managing of multi-directional power flows in an integrated multi-drives configuration, reducing both the power losses of the induction machine and the energy storage units while keeping the computational complexity suitably low. To this aim, the proposed approach consists in a control strategy that continuously searches for the best compromise among the torque response and the power capability of each storage unit while minimize the overall power losses. Using such an approach, a significant improvement in the overall efficiency is then obtained. Simulations and experimental tests confirm the effectiveness of the proposed method.