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Haptic Rendering of Hyperelastic Models with Friction

Hadrien Courtecuisse 1, 2, 3 Yinoussa Adagolodjo 1 Hervé Delingette 4 Christian Duriez 5 
2 SHACRA - Simulation in Healthcare using Computer Research Advances
LIFL - Laboratoire d'Informatique Fondamentale de Lille, Inria Lille - Nord Europe, Inria Nancy - Grand Est
4 ASCLEPIOS - Analysis and Simulation of Biomedical Images
CRISAM - Inria Sophia Antipolis - Méditerranée
5 DEFROST - Deformable Robots Simulation Team
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189
Abstract : — This paper presents an original method for inter-actions' haptic rendering when treating hyperelastic materials. Such simulations are known to be difficult due to the non-linear behavior of hyperelastic bodies; furthermore, haptic constraints enjoin contact forces to be refreshed at least at 1000 updates per second. To enforce the stability of simulations of generic objects of any range of stiffness, this method relies on implicit time integration. Soft tissues dynamics is simulated in real time (20 to 100 Hz) using the Multiplicative Jacobian Energy Decomposition (MJED) method. An asynchronous preconditioner, updated at low rates (1 to 10 Hz), is used to obtain a close approximation of the mechanical coupling of interactions. Finally, the contact problem is linearized and, using a specific-loop, it is updated at typical haptic rates (around 1000 Hz) allowing this way new simulations of prompt stiff-contacts and providing a continuous haptic feedback as well.
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Submitted on : Wednesday, October 14, 2015 - 2:56:24 PM
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Hadrien Courtecuisse, Yinoussa Adagolodjo, Hervé Delingette, Christian Duriez. Haptic Rendering of Hyperelastic Models with Friction. 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Sep 2015, Hamburg, Germany. pp.591-596, ⟨10.1109/IROS.2015.7353432⟩. ⟨hal-01184113⟩



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