Efficient modeling approach for optimization of a system based on passive diamagnetic levitation as a platform for bio‐medical applications

COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering - 2007
H.Chetouani1, B.Delinchant1, G.Reyne1
1Laboratoire d'Electrotechnique de Grenoble (LEG), ENSIEG, Domaine Universitaire, Saint Martin d'Hères, France

Tóm tắt

PurposeThis paper aims to present a modeling approach of diamagnetic microsystems for design and optimization requirements. It is demonstrated on the stabilisation optimization of a diamagnetic levitation system for biomedical applications.Design/methodology/approachSurface approach was used to compute analytically the magnetic field induction. This modeling is depending on system to design (approximation, equation simplifications due to specific geometries) coupled with a design framework which is based on symbolic equation derivation and SQP constrained optimization algorithm.FindingsOptimally stabilized magnetic levitating systems, for a pyrolitic graphite micro plate and for a latex bead.Research limitations/implicationsThe analytical or semi‐analytical modeling of magnetic field induction and forces produced by complex geometries is sometimes either hard to establish or not adequate to perform a fast optimization, due to heavy numerical parts implemented into the device modeling.Practical implicationsImplications are of two kinds. First are results of the magnetic levitating system which can improve lab on a chip for biomedical applications. Second is design framework improvement with diamagnetic modeling capabilities.Originality/valueStability optimization of diamagnetic levitation system, based on an original approach of modeling and sizing with dedicated tools.

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COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

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