A procedure for the optimization of planar multilayered shielding structures for magnetic fields, at frequencies for which the quasimagnetostatic description can be adopted, is presented in this paper. The optimum thickness of multilayered shields is found under the constraint of a minimum threshold value for the magnetic shielding effectiveness (SE) at a certain distance from a given source. The design of the shield with respect to the number and type of layers is carried out adopting the particle swarm optimization (PSO) method. Multilayered shields composed of selected materials are considered, and the optimal configuration in a source of a periodic triangular-wave current at the frequency of 10 kHz is investigated.
Multifrequency optimization of multilayered shields / Massarini, A.; Reggiani, U.; Sandrolini, L.. - In: IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY. - ISSN 0190-1494. - 1:(2002), pp. 134-139. [10.1109/ISEMC.2002.1032462]
Multifrequency optimization of multilayered shields
Massarini A.;Reggiani U.;Sandrolini L.
2002
Abstract
A procedure for the optimization of planar multilayered shielding structures for magnetic fields, at frequencies for which the quasimagnetostatic description can be adopted, is presented in this paper. The optimum thickness of multilayered shields is found under the constraint of a minimum threshold value for the magnetic shielding effectiveness (SE) at a certain distance from a given source. The design of the shield with respect to the number and type of layers is carried out adopting the particle swarm optimization (PSO) method. Multilayered shields composed of selected materials are considered, and the optimal configuration in a source of a periodic triangular-wave current at the frequency of 10 kHz is investigated.
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