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Multi-finger grasps in a dynamic environment

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Harwin, W. orcid id iconORCID: https://orcid.org/0000-0002-3928-3381 and Barrow, A. (2013) Multi-finger grasps in a dynamic environment. In: Multi-finger grasps in a dynamic environment. Springer Series on Touch and Haptic Systems. Springer, pp. 5-30. ISBN 9781447152033

Abstract/Summary

Most current state-of-the-art haptic devices render only a single force, however almost all human grasps are characterised by multiple forces and torques applied by the fingers and palms of the hand to the object. In this chapter we will begin by considering the different types of grasp and then consider the physics of rigid objects that will be needed for correct haptic rendering. We then describe an algorithm to represent the forces associated with grasp in a natural manner. The power of the algorithm is that it considers only the capabilities of the haptic device and requires no model of the hand, thus applies to most practical grasp types. The technique is sufficiently general that it would also apply to multi-hand interactions, and hence to collaborative interactions where several people interact with the same rigid object. Key concepts in friction and rigid body dynamics are discussed and applied to the problem of rendering multiple forces to allow the person to choose their grasp on a virtual object and perceive the resulting movement via the forces in a natural way. The algorithm also generalises well to support computation of multi-body physics

Item Type Book or Report Section
URI https://reading-clone.eprints-hosting.org/id/eprint/39736
Item Type Book or Report Section
Refereed Yes
Divisions Life Sciences > School of Biological Sciences > Department of Bio-Engineering
Publisher Springer
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