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Open AccessArticle

Regenerative Braking Control Strategy of Electric-Hydraulic Hybrid (EHH) Vehicle

by Yang Yang 1,2,*, Chang Luo 1,2 and Pengxi Li 1,2
1
State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China
2
School of Automotive Engineering, Chongqing University, Chongqing 400044, China
*
Author to whom correspondence should be addressed.
Energies 2017, 10(7), 1038; https://doi.org/10.3390/en10071038
Received: 9 June 2017 / Revised: 11 July 2017 / Accepted: 13 July 2017 / Published: 20 July 2017
(This article belongs to the Special Issue Advances in Electric Vehicles and Plug-in Hybrid Vehicles 2017)
A novel electric-hydraulic hybrid drivetrain incorporating a set of hydraulic systems is proposed for application in a pure electric vehicle. Models of the electric and hydraulic components are constructed. Two control strategies, which are based on two separate rules, are developed; the maximum energy recovery rate strategy adheres to the rule of the maximization of the braking energy recovery rate, while the minimum current impact strategy adheres to the rule of the minimization of the charge current to the battery. The simulation models were established to verify the effects of these two control strategies. An ABS (Anti-lock Braking System) fuzzy control strategy is also developed and simulated. The simulation results demonstrate that the developed control strategy can effectively absorb the braking energy, suppress the current impact, and assure braking safety. View Full-Text
Keywords: electro-hydraulic hybrid (EHH); regenerative braking; control strategy electro-hydraulic hybrid (EHH); regenerative braking; control strategy
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Yang, Y.; Luo, C.; Li, P. Regenerative Braking Control Strategy of Electric-Hydraulic Hybrid (EHH) Vehicle. Energies 2017, 10, 1038.

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