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A dynamic friction model for haptic simulation of needle insertion.

Identifieur interne : 001966 ( PubMed/Curation ); précédent : 001965; suivant : 001967

A dynamic friction model for haptic simulation of needle insertion.

Auteurs : Yinghui Zhang [Royaume-Uni] ; Roger Phillips

Source :

RBID : pubmed:15718809

English descriptors

Abstract

This paper describes a new friction model, termed the brush model, suitable for haptic simulations of needle insertion in virtual environments. A novel two-layer surface contact model is presented that provides real-time rendering of friction forces at haptic refresh rates. A significant modification to the brush model is also presented, leading to a new friction model, termed the fixed bristle brush model. Simulation results show that the two models can accurately reflect the experimentally observed friction characteristics. This paper presents a simulation of friction during needle insertion; results agree with the experimental observations.

PubMed: 15718809

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pubmed:15718809

Le document en format XML

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