Journal of Electrical Engineering : Volume 17 / 2017 - Edition : 4

DESIGN, MODELING AND FABRICATION OF A NOVEL ELECTROMAGNETIC MICRO-ACTUATOR FOR A NEW CONCEPT OF VALVELESS MICROPUMP

Authors:
Ishaq AMRANI
Ahmed CHERIET
Nicolas BRACIKOWSKI
Mouloud FELIACHI
Khaled BEKHOUCHE
Domain:
microelectromechanics
Abstract:
this paper, a novel electromagnetic micro-actuator prototype has been designed, analyzed and fabricated using conventional elements for a novel working principle of valveless bidirectional micropump. The proposed micro-actuator includes two unfixed permanent magnets placed in opposite polarities between two fixed coaxial coils. The novel electromagnetic actuating concept depends on moving the two unfixed permanent magnets vertically in a cylinder channel via the interaction of their magnetic fields and that resulting from both coils. Therefore, the actuation of magnets is produced with a periodic movement and controlled by the current of the coil. The finite volume method (FVM) is used to analysis the electromagnetic and mechanical behavior of the proposed micro-actuator and to give the dynamic characteristic of the actuation. The proposed micro-actuator shows a large displacement and a high electromagnetic force.
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