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A Haptic Interaction Method Using Visual Information and Physically Based Modeling

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3 Author(s)
Jungsik Kim ; Dept. of Mech. Eng., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea ; Janabi-Sharifi, F. ; Jung Kim

Haptic feedback can be used to sense a physical environment at a remote site in order to overcome spatial or scale barriers in telemanipulation. The aim of this paper is to develop a haptic interaction method for a deformable object manipulation system by means of image processing and physically based modeling techniques. The interaction forces between the instrument driven by a haptic device and a deformable object are inferred in real time based on the visual information from a slave environment without force sensor. A physically based model of the deformable object is constructed by integrating the geometric information from vision, a priori knowledge of the object mechanical properties, and a predefined coordinate system of the slave environment. The forces are then derived from the model, while a boundary condition is updated based on the images (a tool-tip position tracking). In order to demonstrate the applicability and effectiveness of the proposed algorithm, macro- and microscale experimental systems were built and equipped with a telemanipulation system and a commercial haptic display. The proposed method was verified using silicone (macroscale) and zebrafish embryos (microscale).

Published in:

Mechatronics, IEEE/ASME Transactions on  (Volume:15 ,  Issue: 4 )