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Integrated Functional Analysis and Optimal Sizing Method for P2 Mild HEV Powertrains

Sanjarbek RuzimovDepartment of Traffic Engineering and Management, Kimyo International University in Tashkent, Tashkent 100121, UzbekistanKomiljon TulaganovDepartment of Mechanical and Aerospace Engineering, Turin Polytechnic University in Tashkent, Tashkent 100095, UzbekistanShafkatbek AlimovDepartment of Mechanical and Aerospace Engineering, Turin Polytechnic University in Tashkent, Tashkent 100095, UzbekistanOlimjon TuychievDepartment of Mechanical and Aerospace Engineering, Turin Polytechnic University in Tashkent, Tashkent 100095, UzbekistanAkmal MukhitdinovDepartment of Vehicle Engineering, Tashkent State Transport University, Tashkent 100167, Uzbekistan

World Electric Vehicle Journaljournal2026en

ABI

Annotatsiya

Mild hybrid electric vehicles (MHEVs) are a cost-effective solution for reducing fuel consumption and emissions in the automotive sector, offering a low-level electrification alternative to battery electric and plug-in hybrid vehicles. This study uses the Equivalent Consumption Minimisation Strategy (ECMS) to investigate the optimal sizing of P2 MHEV powertrain components and the individual contributions of hybridisation features such as regenerative braking, idling fuel cut-off, load shifting and electric torque assist. Parametric simulations were performed by varying the power of the electric motor and the capacity of the battery for standard driving cycles. The results show that total fuel consumption for the NEDC driving cycle can be reduced by up to 29%, with regenerative braking providing the largest contribution. The optimal electric motor power for mild hybrid applications was found to be in the 20–30 kW range, depending on the driving cycle.

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Mavzular

Electric and Hybrid Vehicle Technologies Vehicle emissions and performance Electric Vehicles and Infrastructure

Identifikatorlar

DOI: 10.3390/wevj17050256

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