ANALYSIS AND OPTIMIZATION OF POWER FLOW FOR HYBRID ELECTRIC VEHICLE WITH DUAL-PLANETARY GEAR

Hongwen He*, Jianfei Cao, Dong Wei

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Sustained environmental pollution and energy crisis are constantly promoting the development of hybrid electric vehicles. Among many configurations, the power-split ones based on planetary gear have special advantages of energy saving potential and velocity conversion characteristics.[1] Thus it has attracted considerable attention in related fields. Power-split system based on dual-planetary gear provides a variety of energy flow modes,[2] so it is suitable for constructing a multi-mode hybrid power-system for hybrid electric commercial vehicles. In this paper, a power flow model for the vehicle with such configuration is constructed; the energy flow relationship is analyzed and optimized. The optimal power flow relationship can be used to guide the division of working modes of hybrid electric vehicles and also provided a model basis for further study of related energy management strategies.

Original languageEnglish
JournalEnergy Proceedings
Volume3
DOIs
Publication statusPublished - 2019
Event11th International Conference on Applied Energy, ICAE 2019 - Västerås, Sweden
Duration: 12 Aug 201915 Aug 2019

Keywords

  • dual-planetary gear
  • energy management strategy
  • power flow model
  • power-split hybrid electric vehicle

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