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Xfem-Based Adaptive Contact Model for Telepresence Systems: Measurement and Source Allocation

Autor Keita Ono
en Limba Engleză Paperback – 31 mai 2012
An incision is a common process in medical telepresence applications. When a large distance between the human operator and the teleoperator is presented, it can lead to a time delay in communication channel which causes the hand's movement and the force feedback perception not to synchronize. This research work proposed an adaptive contact model based on the Extended Finite Element Method (XFEM). The proposed contact model compensates the time delay using the real-time dynamic geometry deformation simulation and the calculation of the corresponding incision force between the scalpel at the end-effector of the teleoperator and the remote environment. An adaptive parameter identification algorithm is also developed allowing online model verification during the actual incision. The experimental results demonstrate a stability improvement during the incision with the experimental telepresence system.
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Specificații

ISBN-13: 9783838133645
ISBN-10: 3838133641
Pagini: 116
Dimensiuni: 152 x 229 x 7 mm
Greutate: 0.18 kg
Editura: Sudwestdeutscher Verlag Fur Hochschulschrifte

Notă biografică

was born in Tokyo Japan. He studied B.Sc. mechanical engineering at Chulalongkorn University, Thailand and M.Sc. mechatronics at Leibniz Universität Hannover, Germany. As a researcher, he joined Institute of Applied Mechanics, Technische Universität München, Munich Germany, where he also received his Ph.D. in robotic and mechatronics in 2011.