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Analytical Modeling of Rotating Eddy Current Couplers
No full textWe present a detailed analytical study of rotational eddy-current couplers. We provide a field solution by the variable separation method, and we analyze radial geometry structures. The couplers consist of a permanent-magnet stator and a multilayer conductive rotor. We present different analytical solutions in order to study single- and double-sided permanent-magnet frames. We validate the models by two-dimensional and three-dimensional (3-D) finite-element studies, and we perform an exhaustive parametric analysis to estimate the influence of the dimension parameters of the two structures. Finally, we present an analytical approach to a 3-D correction
Dispositivo e metodo per ispezionare in modo non distruttivo un elemento allungato di materiale conduttore magnetico, quale una fune metallica
No full textEddy current coupler optimization
No full textThis paper concerns the optimization of rotational eddy current couplers, by using a genetic multiobjective optimization procedure. The analysis of device performances has been done by an analytical formulation of the magneto-dynamic problem. The optimization has been carried out by considering both the torque and the weight of the device. Some details about analysis method and optimization algorithm are given together with a discussion of results in some industrial configurations
Prestazioni e caratteristiche della nuova attrezzatura LMA per il controllo delle funi in esercizio
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