Design of all-wheel-drive power-split hybrid configuration schemes based on hierarchical topology graph theory

Yalian Yang, Pengshuai Li, Huanxin Pei and Yunge Zou

Energy, 2022, vol. 242, issue C

Abstract: Power-split hybrid electric vehicles (PS-HEVs) can decouple the rotation speed and torque of the engine and power output shaft to ensure that the engine can work at efficient operating points as much as possible. All-wheel-drive (AWD) PS-HEVs can recover braking energy and have good trafficability, giving them good market application prospects. In this paper, we propose a powertrain configuration scheme design method based on hierarchical topological graph theory. Through kinematics and dynamics modeling, configuration mode classification, and scheme synthesis of PS-HEV powertrains, AWD PS-HEV configuration schemes are designed. The dynamic programming (DP) and rapid DP (Rapid-DP) algorithms are used to optimize the configuration schemes. Simulation results show that the AWD PS-HEVs designed by this method will have better fuel economy and acceleration performance than existing designs.

Keywords: All wheel drive; Power split; Hybrid electric vehicle; Hierarchical topological graph theory; Scheme design (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:242:y:2022:i:c:s0360544221031935

DOI: 10.1016/j.energy.2021.122944

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