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Optimization of 3-D Magnetic Circuit of Linear Oscillatory Actuator for Diaphragm Blower

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4 Author(s)
Takahashi, N. ; Dept. of Electr. & Electron. Eng., Okayama Univ., Okayama, Japan ; Okamura, S. ; Sasayama, T. ; Yamagami, Y.

The efficiency and materials cost of a linear oscillatory actuator (LOA) for a diaphragm blower depends on the design of magnetic circuit. Therefore, it is necessary to optimize the magnetic circuit in order to develop a high efficiency and low price LOA by employing the magnetic field analysis method and an optimization method. In this paper, the 3-D multi-objective optimization of LOA with large magnetic force and small magnet volume is carried out using the combined 3-D finite element method (FEM), evolution strategy (ES), and particle swarm optimization (PSO).

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Magnetics, IEEE Transactions on  (Volume:49 ,  Issue: 5 )