Regenerative Braking Logic That Maximizes Energy Recovery Ensuring the Vehicle Stability

Giulia Sandrini (), Daniel Chindamo and Marco Gadola
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Giulia Sandrini: Department of Mechanical and Industrial Engineering, University of Brescia, I-25123 Brescia, Italy
Daniel Chindamo: Department of Mechanical and Industrial Engineering, University of Brescia, I-25123 Brescia, Italy
Marco Gadola: Department of Mechanical and Industrial Engineering, University of Brescia, I-25123 Brescia, Italy

Energies, 2022, vol. 15, issue 16, 1-43

Abstract: This paper presents a regenerative braking logic that aims to maximize the recovery of energy during braking without compromising the stability of the vehicle. This model of regenerative braking ensures that the regenerative torque of the electric motor (for front- and rear-wheel drive vehicles) or electric motors (for all-wheel drive vehicles equipped with one motor for each axle) is exploited to the maximum, avoiding the locking of the driving wheels and, subsequently, if necessary, integrating the braking with the traditional braking system. The priority of the logic is that of maximizing energy recovery under braking, followed by the pursuit of optimal braking distribution. This last aspect in particular occurs when there is an integration of braking and, for vehicles with all-wheel drive, also when choosing the distribution of regenerative torque between the two electric motors. The logic was tested via simulation on a front-, rear-, and all-wheel drive compact car, and from the simulations, it emerged that, on the WLTC driving cycle, the logic saved between 29.5 and 30.3% in consumption compared to the same vehicle without regenerative recovery, and 22.6–23.5% compared to a logic commonly adopted on the market. On cycle US06, it saves 23.9–24.4% and 19.0–19.5%, respectively.

Keywords: regenerative braking logic; electric vehicle; EV; energy optimization; energy recovery; vehicle stability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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