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An axial flux permanent magnet synchronous machine (AFPMSM) with double external rotors and coreless internal stator can operate at higher efficiency without the stator core losses and cogging torque.
In this paper, a new topological design of permanent magnet (PM) motor with Halbach magnet is introduced and investigated. To better evaluate the performance of different types of motors, a novel approach for the design optimization based on an improved Tabu search algorithm and finite element method (FEM) is proposed. The improvements include a normalized step vector for different search spaces,...
Ultrasonic transcutaneous energy transfer (UTET) may be a preferable technology due to its power transfer efficiency, compactness and electromagnetic immunity. A novel wireless UTET scheme is proposed based on phased array technology to improve the transferring efficiency. A finite element method (COMSOL Multiphysics) is applied to investigate the properties of the phased array UTET for optimized...
The finite element-boundary integral-multilevel fast multipole algorithm (FE-BI-MLFMA) has shown to be very general and powerful for 3D scattering. This paper reports our major progress of FE-BI-MLFMA made over the past years. First, we report the study on different approaches of choosing surface in FE-BI-MLFMA. Second, we present the comparison of different algorithms of FE-BI-MLFMA. Third, we compare...
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