Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/73322
Title: Design of a simple MRI/fMRI compatible force/torque sensor
Authors: Chapuis, D.
Gassert, R.
Sache, L.
Burdet, E. 
Bleuler, H.
Issue Date: 2004
Source: Chapuis, D.,Gassert, R.,Sache, L.,Burdet, E.,Bleuler, H. (2004). Design of a simple MRI/fMRI compatible force/torque sensor. 2004 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 3 : 2593-2599. ScholarBank@NUS Repository.
Abstract: Force/torque sensors compatible with Magnetic Resonance Imaging (MRI) are required to develop haptic interfaces for neuroscientific investigations and robotic tools for interventional MRI. In this paper, we analyze the mechanical structure of classical and MRI compatible sensors from literature and demonstrate the critical role of the mechanical design on the sensing performance. A simple and efficient torque sensor based on light intensity measurement over optical fibers is introduced, which allows to place the electronic components outside the scanner room. By using a self guiding flexible structure and optimal mirror placement, the sensitivity to transverse torque is reduced to 0.03% of the desired output torque.
Source Title: 2004 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)
URI: http://scholarbank.nus.edu.sg/handle/10635/73322
ISBN: 0780384636
Appears in Collections:Staff Publications

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