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http://dx.doi.org/10.13067/JKIECS.2021.16.5.845

A study on Energy Conversion through Torque Control of IPMSM in EV Powertrain  

Baek, Soo-Whang (Dept. Human Intelligence and Robot Eng., Sangmyung University)
Publication Information
The Journal of the Korea institute of electronic communication sciences / v.16, no.5, 2021 , pp. 845-850 More about this Journal
Abstract
In this study, the energy conversion characteristics and design of electric vehicle (EV: Electric Vehicle) powertrain were performed. An interior permanent magnet synchronous motor (IPMSM) was targeted as a power source for the EV powertrain, and control was performed. In order to drive the IPMSM, two regions are considered: a constant torque and a constant output (field-weakening) region. The design of the control system for IPMSM was constructed based on the d-q reference frame (vector control). To determine the static characteristics of motor torque appearing in two areas of IPMSM, a torque control system and a d axis current control system of IPMSM were implemented and proposed. Matlab-Simulink software was used for characteristic analysis. Finally, by applying IPMSM to the powertrain model under the actual EV vehicle level conditions, simulation results of the proposed control system were performed and characteristics were analyzed.
Keywords
PMSM; Field weakening; Constant torque; Control system; Electric vehicle;
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