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Computation of 3-D Magnetic Field Distribution in Long-Lifetime Electromagnetic Actuators

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6 Author(s)
Khan, S.H. ; Sch. of Eng. & Math. Sci., City Univ., London ; Ming Cai ; Grattan, K.T.V. ; Kajan, K.
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This paper involves the computation of 3-D magnetic fields in high-performance, long-lifetime solenoid actuators by finite-element (FE) modeling. Operating at frequencies between 150 and 300 Hz, these actuators are unique in terms of the large force they produce (8-15 N) and their very long lifetime (over five billion continuous duty cycles). Their magnetic circuit typically operates at saturation and, because of the compact dimensions, the 3-D nature of the field distribution needs to be taken into account for their design. Results are presented in terms of the effects of design parameters on saturation and force calculation

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Magnetics, IEEE Transactions on  (Volume:43 ,  Issue: 4 )