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To update the performance of the standard optimization method, a modified particle swarm optimization (MPSO) algorithm is proposed based on the earlier works. An asymmetric time-varying acceleration coefficients adjusting strategy introduced in this paper is to keep the balance between the global search and the local search with the great advantages of convergence property and robustness compared...
Particular interest is presently focused on the full electric direct propulsion systems for the improvement of reliability and reduction of noise. A transverse flux permanent magnet (TFPM) machine with high pole-number and multi-phase configuration is one of the most suitable designs in such application so far as its high power production potential. In view of practical limitations of space and mass,...
Based on the characteristics of transverse flux permanent magnet machine (TFPM), a novel multi-pole and multi-phase TFPM topology with assembled stator and concentrated flux rotor is presented in this paper. The associated electromagnetic fields of the prototype are investigated by means of three dimension equivalent magnetic network method (3DEMNM). It is shown the unique multi-phase structure of...
Based on the characteristics of transverse flux permanent magnet machine (TFPM), a novel multi-pole and multi-phase TFPM topology with assembled stator and concentrated flux rotor is presented in this paper. The associated electromagnetic fields of the prototype are investigated by means of three dimension equivalent magnetic network method (3DEMNM). It is shown the unique multi-phase structure of...
A new transverse flux permanent magnet motor (TFPM) with combined stator and concentrating flux rotor configurations is introduced in this paper. Both the complexity of manufacture and the cost of machine are dramatically reduced by this unique design. Three-dimensional magnetic network as the derivation of equivalent magnetic computation model is used to get more accurate results. The impacts of...
Great emphasis is paid on transverse flux permanent motors (TFPM) in recent years especially in powerful propulsion system. However, the cogging torque in TFPM leads to mechanical vibration and noise inevitably. This paper presents a new TFPM with combined stator and concentrating flux rotor configurations. The related design parameters that reduce the cogging torque are investigated by using equivalent...
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