Design and Analysis of a Novel Multimode Powertrain for a PHEV Using Two Electric Machines

A new dual-motor plug-in hybrid system has been developed in this paper. The system has a variety of operating modes such as "pure electric drive", "series hybrid drive", "parallel hybrid drive", and "pure oil drive", which can maximize fuel efficiency accordi...

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Bibliographic Details
Published in:IEEE access 2024, Vol.12, p.76442-76457
Main Authors: Zou, Shunzhang, Zhang, Jun, Liu, Yunfeng, Yang, Yu, Zhou, Yunshan, Wang, Jiande, Peng, Jingyang, Wang, Guolin
Format: Article
Language:English
Subjects:
Acceleration
Batteries
Battery chargers
Driving conditions
Electric drives
Energy consumption
Energy efficiency
Engines
Fuel consumption
Fuel economy
Fuels
Hybrid electric vehicles
Hybrid systems
Hybrid vehicle
Lithium-ion batteries
Matlab
MATLAB/Simulink
Mechanical power transmission
novel multimode powertrain
Performance indices
Powertrain
Rechargeable batteries
Simulation
Simulation models
Traction motors
Traffic speed
two clutches
two electric machines
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Summary:A new dual-motor plug-in hybrid system has been developed in this paper. The system has a variety of operating modes such as "pure electric drive", "series hybrid drive", "parallel hybrid drive", and "pure oil drive", which can maximize fuel efficiency according to the driving conditions of the vehicle and the needs of the driver. By adding high-power on-board chargers and high-capacity lithium-ion battery packs to the system, more electric driving can be achieved. This paper introduces the parameters and performance indexes of the main components of the system, establishes the simulation model of the powertrain, formulates the control strategy, and analyzes the power performance and fuel economy of the system through simulation. The simulation results are as follows: the maximum speed of the vehicle can reach 180.82km/h; the acceleration time of 100 km/h is 7.72s; in the WLTC driving cycle, the fuel consumption of the hybrid power system is 7.648L/100km; the electric driving range is 156.63 km. The simulation results show that the powertrain can reduce fuel consumption while maintaining sufficient power performance, which proves the feasibility and fuel economy potential of the scheme.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2024.3406541