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Dynamic optimization method for speed ratio of electric vehicle with two-speed transmission system

  • Beijing Institute of Technology
  • McMaster University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Currently, most of speed ratio optimizing methods for automotive transmission system belong to static optimization , while values of transmission ratio in the whole optimization process of velocity ratio are changing constantly. In order to obtain the best economic performance for the vehicle, corresponding gear- shift schedules should be adopted to different speed ratio. The paper has put forward a dynamic optimization method for speed ratio of the transmission system through analyzing deficiencies of static optimization method for speed ratio of transmission system. The method takes speed ratio of transmission system as design variable, and establishes objective function which considered lightweight design principles of transmission system. With ISIGHTMA TLAB/Simulink co-simulation optimization software platform and shift point judgment rules, it implementes dynamic optimization of speed ratio for transmission system, and has conducted comparative analysis on optimizing results simulated with static optimization method for speed ratio of transmission system. Ultimate optimizing results have indicated the correctness of the dynamic optimization for velocity ratio put forward in the paper as well as the correctness of considering lightweight design principle for the transmission system put forward in the paper.

Original languageEnglish
Title of host publication2016 IEEE International Conference on Power and Renewable Energy, ICPRE 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages530-536
Number of pages7
ISBN (Electronic)9781509030682
DOIs
Publication statusPublished - 3 Mar 2017
Event2016 IEEE International Conference on Power and Renewable Energy, ICPRE 2016 - Shanghai, China
Duration: 21 Oct 201623 Oct 2016

Publication series

Name2016 IEEE International Conference on Power and Renewable Energy, ICPRE 2016

Conference

Conference2016 IEEE International Conference on Power and Renewable Energy, ICPRE 2016
Country/TerritoryChina
CityShanghai
Period21/10/1623/10/16

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

  • Dynami C optimization method for speed ratio
  • Electric vehicle
  • Lightweight design principle for the transmission system
  • Niche multi-objective particle swarm optimization

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