Control of a Magnetic Microrobot Navigating in Microfluidic Arterial Bifurcations through Pulsatile and Viscous Flow

Karim Belharet 1 David Folio 1, * Antoine Ferreira 1
* Auteur correspondant
1 IRAUS
PRISME - Laboratoire Pluridisciplinaire de Recherche en Ingénierie des Systèmes, Mécanique et Energétique
Abstract : Navigating in bodily fluids to perform targeted diagnosis and therapy has recently raised the problem of robust control of magnetic microrobots under real endovascular conditions. Various control approaches have been proposed in the literature but few of them have been experimentally validated. In this paper, we point out the problem of navigation controllability of magnetic microrobots in high viscous fluids and under pulsatile flow for endovascular applications. We consider the experimental navigation along a desired trajectory, in a simplified millimeter-sized arterial bifurcation, operating in fluids at the low-Reynolds-number regime where viscous drag significantly dominates over inertia. Different viscosity environments are tested (ranging from 100\% water-to-100\% glycerol) under a systolic pulsatile flow compatible with heart beating. The control performances in terms tracking, robustness and stability are then experimentally demonstrated.
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Communication dans un congrès
IEEE. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS'2012), Oct 2012, Vilamoura, Algarve, Portugal. IEEE, pp.2559-2564, 2012, 〈10.1109/IROS.2012.6386030〉
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Karim Belharet, David Folio, Antoine Ferreira. Control of a Magnetic Microrobot Navigating in Microfluidic Arterial Bifurcations through Pulsatile and Viscous Flow. IEEE. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS'2012), Oct 2012, Vilamoura, Algarve, Portugal. IEEE, pp.2559-2564, 2012, 〈10.1109/IROS.2012.6386030〉. 〈hal-00714370〉

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