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Proceedings Paper

Design and control of 4 DOF ER haptic master for medical application
Author(s): Jong-Seok Oh; Han-Jun Cho; Young-Min Han; Seung-Bok Choi
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Paper Abstract

In this research, a new type of haptic master device using electrorheological (ER) fluid for minimally invasive surgery (MIS) is proposed. The proposed haptic master consists of an ER spherical joint for 3-DOF rotational motion (X, Y, Z) and an ER brake for 1-DOF translational motion (Z). Principal design parameters of the haptic master are determined based on Bingham characteristic of ER fluid and geometrical constraints. In order to demonstrate the effectiveness of the proposed haptic master, control performance is evaluated. In order to achieve desired force trajectories, a sliding mode controller (SMC) is designed and implemented. Both torque and force tracking control performances show that the proposed haptic master can be effectively applied to surgical robot system.

Paper Details

Date Published: 30 March 2012
PDF: 7 pages
Proc. SPIE 8343, Industrial and Commercial Applications of Smart Structures Technologies 2012, 83430G (30 March 2012); doi: 10.1117/12.915049
Show Author Affiliations
Jong-Seok Oh, Inha Univ. (Korea, Republic of)
Han-Jun Cho, Inha Univ. (Korea, Republic of)
Young-Min Han, Ajou Motor College (Korea, Republic of)
Seung-Bok Choi, Inha Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 8343:
Industrial and Commercial Applications of Smart Structures Technologies 2012
Kevin Farinholt; Steven F. Griffin, Editor(s)

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