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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 mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

Study of regenerative breaking control for HEV with multispeed transmission

Hyndai Motor Company, Jangduk-dong, Hwasung-si, Gyeonggi-do 445-70
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Author to whom correspondence should be addressed.
World Electr. Veh. J. 2015, 7(2), 278-286; https://doi.org/10.3390/wevj7020278
Published: 26 June 2015
PDF [483 KB, uploaded 18 May 2018]

Abstract

This study describes method of regenerative breaking control for HEV with multispeed transmission. When a gear is shifted during regenerative breaking, almost all TMED HEVs in the world lose decelerate linearity or reduce regenerative breaking to get decelerate linearity. So fuel efficiency is get down. We made concept that is called regenerative breaking practical quantity. Regenerative breaking practical quantity solved problem of decelerate linearity. And this technology is used in all TMED HEVs of Hyundai motor group. Regenerative breaking practical quantity reflect a characteristic curves of motor, shifting process of multispeed transmission and following of hydraulic brake for cooperative control of HCU, MCU, TCU, AHB and so on. As a result of this technology, decelerate linearity is retained for sale the HEV. Furthermore fuel efficiency is improved about 8.4% because regenerative breaking quantity is increased about 28%.
Keywords: HEV(Hybrid Electric Vehicle); TMED(Transmission Mounted Electric Device) ; Actual regenerative HEV(Hybrid Electric Vehicle); TMED(Transmission Mounted Electric Device) ; Actual regenerative
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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Huh, J.; Oh, K.; Shin, D. Study of regenerative breaking control for HEV with multispeed transmission. World Electr. Veh. J. 2015, 7, 278-286.

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