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A power conversion module for hybrid electric vehicle (HEV) should handle all power modes of HEV including high, medium, low and regenerative power modes. The possibility of using a bidirectional z-source nine-switch inverter (BZS-NSI) as power conversion module of HEV has been investigated by the authors in previous works. However in this paper, a series HEV based on BZS-NSI is modeled and performance...
In this paper, a dynamic model for a power-split gear based hybrid electric vehicle is developed. This model provides a platform for performance analysis of vehicle components including efficiency analysis. The developed model uses a vehicle controller, which operates the drive-train in different modes based on the driving conditions, battery state-of-charge and other parameters. The transient response...
The aim of this paper is to obtain efficient operation of the components in the series-parallel drivetrain in order to develop an optimal power distribution system. This will be done through the use of efficiency maps of the electric motor and the engine. Based on the information obtained about the speed and torque characteristics, the aim would be to operate the motor and the engine in a defined...
In this paper, a design methodology is introduced for determining the major system parameters of a power-split hybrid vehicle drive train. The system parameters mainly includes the engine power rating, transmission gear ratios, alternator power and proper speed-torque characteristics, traction motor power rating and battery power and energy capacities. The design target is ensuring the vehicle to...
A dual electric machines hybrid electric bus is investigated in this paper. The mechanical clutch and the manual transmission fixed in a conventional bus are replaced by dual electric machines in the novel system, which work as an electromagnetic clutch and a continuously variable transmission simultaneously. The basic operation coordinated control for the system components is implemented to satisfy...
As permanent magnet synchronous motor (PMSM) has the characteristics of high power density, high efficiency, and high torque current units, so it is extensively used in electric vehicles driving. Energy management unit (EMU) in hybrid electric vehicle (HEV) demands for good motor driving and energy regeneration capability. Based on the mathematical model of PMSM, this paper presents the PMSM vector...
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