Research on the Power Management Strategy of Hybrid Electric Vehicles Based on Electric Variable Transmissions

Qiwei Xu, Shumei Cui, Liwei Song and Qianfan Zhang
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Qiwei Xu: State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China
Shumei Cui: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, China
Liwei Song: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, China
Qianfan Zhang: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, China

Energies, 2014, vol. 7, issue 2, 1-27

Abstract: Electric variable transmission is a new electromechanical energy conversion device structure, which is especially suitable as the driving force distribution device for hybrid electric vehicles. This paper focuses on the power management strategy of hybrid electric vehicles based on an electric variable transmission, and a kind of hierarchical control ideology is proposed. The control strategy is composed of four control levels, namely analysis of force requirement, operation mode switching, force distribution and coordinate control, which are designed respectively in this paper. Then a simulation model is built based on the notion of energetic macroscopic representation, and an experimental test bench is built. The simulation and experiment results demonstrate the feasibility of the proposed strategy, and it can be taken as a new theory and method for the study of hybrid electric vehicle based on electric variable transmission.

Keywords: hybrid electric vehicle; electric variable transmission; power management strategy; operation mode switching; coordinate control (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: 2014
References: View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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