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Title: Improving energy recovery rate of the regenerative braking system by optimization of influencing factors
Authors: Xu, L
He, XH
Shen, X 
Issue Date: 2019
Source: Applied sciences, Sept. 2019, v. 9, no. 18, 3807, p. 1-19
Abstract: The braking energy can be recovered and recycled by the regenerative braking system, which is significant to improve economics and environmental effect of the hydraulic hybrid vehicle. Influencing factors for the energy recovery rate of regenerative braking system in hydraulic hybrid vehicle were investigated in this study. Based on the theoretical analysis of accumulator and energy recovery rate, modeling of the regenerative braking system and its energy management strategy was conducted in the simulation platform of LMS Imagine Lab AMESim. The simulation results indicated that the influencing factors included braking intensity, initial pressure of the accumulator, and initial braking speed, and the optimal energy recovery rate of 87.61% was achieved when the parameters were 0.4, 19 MPa, and 300 rpm, respectively. Experimental bench was constructed and a series of experiments on energy recovery rate with different parameters were conducted, which aimed to validate the simulation results. It could be found, that with the optimal parameters obtained in the simulation process, the actual energy recovery rate achieved in the experiment was 83.33%, which was almost consistent with the simulation result. The obtained high energy recovery rate would promote the application of regenerative braking system in the hydraulic hybrid vehicle.
Keywords: Energy recovery rate
Hydraulic hybrid vehicle
Regenerative braking system
Braking intensity
Initial pressure of the accumulator
Initial braking speed
Energy management strategy
Publisher: Molecular Diversity Preservation International (MDPI)
Journal: Applied sciences 
ISSN: 2076-3417
DOI: 10.3390/app9183807
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
The following publication Xu, L.; He, X.; Shen, X. Improving Energy Recovery Rate of the Regenerative Braking System by Optimization of Influencing Factors. Appl. Sci. 2019, 9, 3807, 1-19 is available at
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