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Multi-fingered haptic interaction in a virtual prototyping environment

Kron A., Schmidt G.

Systems Science

2001

Vol. 27, nr 4

9-22

The majority of current Virtual Prototyping (VP) systems are capable of providing high fidelity visual feedback only, leaving users in a more or less passive role. This paper discusses an upgrading of the visual feedback by haptic feedback. By allowing the user to interact with objects in a Virtual Environment (VE) with his/her hands and fingers such an advanced VP system permits them to play an active role. For the purposes of upgrading a wrist/finger kinesthetic display as well as a vibrotactile and temperature globe were developed. The combination of both devices leads to a novel haptic human system interface. This paper describes the interface hardware and the corresponding haptic rendering algorithms for generating a high fidelity haptic feedback from a VP environment. Moreover, experimental results are reported concerning the performance of the various haptic displays as well as the quality of the generated haptic sensations. An outlook to future multimodal VP techniques is given.