Simulating cheap hardware : A platform for evaluating cost-performance trade-offs in haptic hardware design
Identifieur interne : 006B30 ( Main/Exploration ); précédent : 006B29; suivant : 006B31Simulating cheap hardware : A platform for evaluating cost-performance trade-offs in haptic hardware design
Auteurs : Iman Brouwer [Canada] ; Karon E. Maclean [Canada] ; Antony J. Hodgson [Canada]Source :
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Réalité virtuelle, Chirurgie.
English descriptors
- KwdEn :
Abstract
This paper describes a platform devised to explore the impact on task execution in a virtual environment of the quality, and therefore cost, of the system's haptic hardware. This platform is a complex haptic interface in which hardware quality can be varied in simulation. Software intercepts the position and force signals between the haptic hardware and the virtual environment software, and alters them to supply the effect of increased friction, cogging, backlash, inertia and/or lower force output. All parameters of the introduced effects can be set independently or in combination and on a continuous scale; a primary contribution is the creation of haptically realistic effect models that are stable in combination on complex hardware. This work is part of a larger project in which we will test the effect of the simulated degradations on surgeons' performance in simulated laparoscopic tasks.
Affiliations:
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Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Friction</term>
<term>Inertia</term>
<term>Laparoscopic surgery</term>
<term>Magnetic hysteresis</term>
<term>Mechanical clearance</term>
<term>Modeling</term>
<term>Surgery</term>
<term>Tactile sensitivity</term>
<term>User interface</term>
<term>Virtual reality</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Sensibilité tactile</term>
<term>Réalité virtuelle</term>
<term>Interface utilisateur</term>
<term>Hystérésis magnétique</term>
<term>Frottement</term>
<term>Jeu mécanique</term>
<term>Inertie</term>
<term>Chirurgie</term>
<term>Coeliochirurgie</term>
<term>Modélisation</term>
<term>.</term>
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<front><div type="abstract" xml:lang="en">This paper describes a platform devised to explore the impact on task execution in a virtual environment of the quality, and therefore cost, of the system's haptic hardware. This platform is a complex haptic interface in which hardware quality can be varied in simulation. Software intercepts the position and force signals between the haptic hardware and the virtual environment software, and alters them to supply the effect of increased friction, cogging, backlash, inertia and/or lower force output. All parameters of the introduced effects can be set independently or in combination and on a continuous scale; a primary contribution is the creation of haptically realistic effect models that are stable in combination on complex hardware. This work is part of a larger project in which we will test the effect of the simulated degradations on surgeons' performance in simulated laparoscopic tasks.</div>
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<name sortKey="Hodgson, Antony J" sort="Hodgson, Antony J" uniqKey="Hodgson A" first="Antony J." last="Hodgson">Antony J. Hodgson</name>
<name sortKey="Maclean, Karon E" sort="Maclean, Karon E" uniqKey="Maclean K" first="Karon E." last="Maclean">Karon E. Maclean</name>
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