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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on as a courtesy and upon agreement with AVERE.
Open AccessArticle

Motor-Generator Control to Improve Shift Quality for a Dual Mode Power Split Transmission

School of Mechanical Engineering,Sungkyunkwan University, Suwon-si, Republic of Korea
Machinery Technology Group, Advanced R&D Center, LS Mtron Ltd, Gunpo-si, Republic of Korea
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2013, 6(2), 245-250;
Published: 28 June 2013
PDF [273 KB, uploaded 17 May 2018]


In this paper, a motor-generator (MG) control algorithm was proposed to improve the shift quality for a dual mode power split transmission (PST) hybrid electric vehicle (HEV). In order to analyze the shift characteristics during the mode shift, Bondgraph models for transient-state were constructed and state equations were derived. From the state equations, it was found that inertia torque of MG2 causes a transient torque during the mode shift. Based on the transient torque, a MG torque control algorithm which compensates the transient torque was developed to reduce the driveshaft torque variation. To evaluate the performance of the MG2 control algorithm, dynamic models of the dual mode PST HEV were obtained and an AMESim-MATLAB/Simulink based mode shift performance simulator was developed. It was found from the simulation results that the driveshaft torque variation was reduced by the proposed control algorithm which provides improved shift quality
Keywords: dual mode PST; motor-generator; mode shift; motor torque control dual mode PST; motor-generator; mode shift; motor torque control
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Hong, S.; Choi, W.; Ahn, S.; Lee, G.; Son, H.; Kim, Y.; Kim, H. Motor-Generator Control to Improve Shift Quality for a Dual Mode Power Split Transmission. World Electr. Veh. J. 2013, 6, 245-250.

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