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PIER PIER B PIER C PIER M PIER Letters
2010-07-31
Design and Analysis of a Magnetic-Geared Electronic-Continuously Variable Transmission System Using Finite Element Method
By
Linni Jian,

    Dr. Linni Jian

    Shenzhen Institutes of Advanced Technology, CAS

    China

    Homepage

Kwok-Tong Chau

    Prof. Kwok-Tong Chau

    EEE Department

    University of Hong Kong

    China

    Homepage

Progress In Electromagnetics Research, Vol. 107, 47-61, 2010
doi:10.2528/PIER10062806
Abstract
This paper proposes a new electronic-continuously variable transmission (E-CVT) system for power-split hybrid electric vehicles (HEVs). The key is to integrate two permanent magnet motor/generators (M/Gs) together with a coaxial magnetic gear (CMG). By designing the modulating ring of the CMG to be rotatable, this integrated machine can achieve both power splitting and mixing, and therefore, can seamlessly match the vehicle road load to the engine optimal operating region. With the one-side-in and one-side-out structure and the non-contact transmission of the CMG, all the drawbacks aroused by the mechanical gears and chain existing in the traditional E-CVT system can be overcome. Moreover, the proposed E-CVT system possesses the merits of small size and light weight, which are vitally important for extending the full-electric drive range of HEVs. The working principle and the design details are elaborated. By using the finite element method (FEM), the electromagnetic characteristics are analyzed.
Citation
Linni Jian, and Kwok-Tong Chau, "Design and Analysis of a Magnetic-Geared Electronic-Continuously Variable Transmission System Using Finite Element Method," Progress In Electromagnetics Research, Vol. 107, 47-61, 2010.
doi:10.2528/PIER10062806
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