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Volume 31 Issue 5
Oct.  2018
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Journal of Southwest Jiaotong University  > 2018  >  53(5): 1078-1086.
WANG Boming, CHEN Hongyu, LI Zhize, TAN Hongyuan. Curve-Passing Dynamic Performance of Portal Bogie with Forced Steering Mechanism[J]. Journal of Southwest Jiaotong University, 2016, 29(1): 91-97. doi: 10.3969/j.issn.0258-2724.2016.01.014
Citation: SUN Yue, TAN Ruoxi, TANG Chunsen, WANG Zhihui, DAI Lin. Optimized Design of New Coupling Mechanism for Electric Vehicles[J]. Journal of Southwest Jiaotong University, 2018, 53(5): 1078-1086. doi: 10.3969/j.issn.0258-2724.2018.05.027
shu

Optimized Design of New Coupling Mechanism for Electric Vehicles

doi: 10.3969/j.issn.0258-2724.2018.05.027
  • Received Date: 28 Mar 2017
  • Publish Date: 01 Oct 2018
    Abstract
  • Aimed at the application of wireless charging in electric vehicles, a type of concave-convex magnetic coupling mechanism is proposed, which realizes better coupling characteristics and improves the system power transmission capacity. Based on the finite element theory and the COMSOL simulation software, a model of the concave-convex coupling mechanism was developed. According to the height of the convex magnetic core at both ends of the coil, the length ratio of the convex magnetic core at both ends of the coil, and the core length, the relationship between the length and the width of the core and the main structural parameters such as the thickness of the core was analysed and optimised from the perspective of mutual inductance and coupling coefficient, respectively. The magnetic saturation after thinning is also discussed. The feasibility of the coupled mechanism and the advantages of the magnetic field distribution and coupling characteristics were verified by the simulation and experimental results. The output power and efficiency of the system improved by 37% and 10%, respectively, compared with those of the original strip core structure.

     

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