Paper Title:

Electric Vehicle Transmission Gear Ratio Optimization Based on Particle Swarm Optimization

Periodical Applied Mechanics and Materials (Volume 187)
Main Theme Mechanical, Industrial and Manufacturing Technologies
Edited by Li Kai
Pages 20-26
DOI 10.4028/www.scientific.net/AMM.187.20
Citation Qiang Gu et al., 2012, Applied Mechanics and Materials, 187, 20
Online since June, 2012
Authors Qiang Gu, Xiu Sheng Cheng
Keywords Electric Vehicle (EV), Gear Ratio Optimization, Particle Swarm Optimization Algorithm (PSO)
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Abstract

The driving range of electric vehicles is less than traditional vehicles due to the restriction of energy storage. It is raising the efficiency of each power component that is one of increasing electric vehicle driving range methods. A particle swarm optimization is used to optimize transmission gear ratio on established electric vehicle power component models. A simulation that simulates the energy consumption of vehicle after gear ratio optimization is given to compare with the actual energy consumption data of the vehicle before gear ratio optimization. The results show that the energy consumption and driving range of the latter are better than the former therefore this optimization is valid.