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Title: Dynamic Friction-Based Force Feedback for Tendon-Sheath Mechanism in NOTES System
Authors: Do, Thanh Nho
Tjahjowidodo, Tegoeh
Phee, Soo Jay
Lau, Michael Wai Shing
Keywords: DRNTU::Engineering::Mechanical engineering
Issue Date: 2014
Source: Do, T. N., Tjahjowidodo, T., Lau, M. W. S., & Phee, S. J. (2014). Dynamic Friction-Based Force Feedback for Tendon- Sheath Mechanism in NOTES System. International Journal of Computer and Electrical Engineering, 6(3), 252-258.
Series/Report no.: International Journal of Computer and Electrical Engineering
Abstract: Tendon-sheath mechanism (TSM) is commonly used in flexible endoscopic systems because of its high flexibility, light weight, and easy transmission. Due to the size constraints and sterilization problems, traditional sensors cannot be placed at the tool tips of robotic arms. In addition, nonlinear friction and backlash hysteresis cause many challenges to predict the desired force when the system inside the human’s body. It is extremely difficult to provide the force information to haptic devices and subsequently to the users. In this paper, a new scheme of dynamic friction model for a pair of TSMs is proposed to estimate the force at distal end of endoscopic system. In comparison with current approaches in the literature, our model is able to provide continuous force information. The model is able to predict distal force with any sheath shapes. An experimental setup is designed to measure the friction force in the TSM. Finally, the validity of the proposed model approach is confirmed with a good agreement between the estimated values and real experimental data.
ISSN: 1793-8163
DOI: 10.7763/IJCEE.2014.V6.833
Schools: School of Mechanical and Aerospace Engineering 
Research Centres: Robotics Research Centre 
Rights: © 2014 International Academy Publishing. This paper was published in International Journal of Computer and Electrical Engineering and is made available as an electronic reprint (preprint) with permission of International Academy Publishing. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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