In view of the complex and special structure of the yokeless and segmented armature machine (YASA), this paper presents optimal design of a 22kW YASA to increase the torque density and reduce the cogging torque. The initial design dimensions are proposed by sizing equation and the 3D finite- element analysis (FEA). Then, the parameters such as the outer diameter, ratio of inner and outer diameter, permanent magnet height, air-gap length are optimized by genetic algorithm (GA). By means of the 3D FEA, the electromagnetic performances of YASA are investigated. Finally, a prototype is manufactured and tested. The results confirm that the design and optimization are reliable.


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    Title :

    Optimal design and electromagnetic analysis of yokeless and segmented armature machine based on finite-element method and genetic algorithm


    Contributors:
    Xu, Longjiang (author) / Xu, Yanliang (author) / Xu, Jin (author) / Wang, Bingbing (author) / Xin, Feng (author)


    Publication date :

    2017-08-01


    Size :

    573092 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English