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Mechanism analysis and evaluation methodology of regenerative braking contribution to energy efficiency improvement of electrified vehicles

  • Chen Lv
  • , Junzhi Zhang*
  • , Yutong Li
  • , Ye Yuan
  • *Corresponding author for this work
  • Tsinghua University

Research output: Contribution to journalArticlepeer-review

Abstract

This article discusses the mechanism and evaluation methods of contribution brought by regenerative braking to electric vehicle's energy efficiency improvement. The energy flow of an electric vehicle considering the braking energy regeneration was analyzed. Then, methodologies for measuring the contribution made by regenerative brake to vehicle energy efficiency improvement were introduced. Based on the energy flow analyzed, two different evaluation parameters were proposed. Vehicle tests were carried out on chassis dynamometer under typical driving cycles with three different control strategies. The experimental results the difference between the proposed two evaluation parameters, and demonstrated the feasibility and effectiveness of the evaluation methodologies proposed.

Original languageEnglish
Pages (from-to)469-482
Number of pages14
JournalEnergy Conversion and Management
Volume92
DOIs
Publication statusPublished - 1 Mar 2015
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Contribution evaluation
  • Electrified vehicle
  • Energy flow
  • Measurement method
  • Regenerative braking
  • Vehicle test

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