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Article: Control of articulated snake robot under dynamic active constraints.

TitleControl of articulated snake robot under dynamic active constraints.
Authors
Issue Date2010
Citation
Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention, 2010, v. 13, n. Pt 3, p. 229-236 How to Cite?
AbstractFlexible, ergonomically enhanced surgical robots have important applications to transluminal endoscopic surgery, for which path-following and dynamic shape conformance are essential. In this paper, kinematic control of a snake robot for motion stabilisation under dynamic active constraints is addressed. The main objective is to enable the robot to track the visual target accurately and steadily on deforming tissue whilst conforming to pre-defined anatomical constraints. The motion tracking can also be augmented with manual control. By taking into account the physical limits in terms of maximum frequency response of the system (manifested as a delay between the input of the manipulator and the movement of the end-effector), we show the importance of visual-motor synchronisation for performing accurate smooth pursuit movements. Detailed user experiments are performed to demonstrate the practical value of the proposed control mechanism.
Persistent Identifierhttp://hdl.handle.net/10722/200117

 

DC FieldValueLanguage
dc.contributor.authorKwok, Kawai-
dc.contributor.authorVitiello, Valentina-
dc.contributor.authorYang, Guangzhong-
dc.date.accessioned2014-07-26T23:11:09Z-
dc.date.available2014-07-26T23:11:09Z-
dc.date.issued2010-
dc.identifier.citationMedical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention, 2010, v. 13, n. Pt 3, p. 229-236-
dc.identifier.urihttp://hdl.handle.net/10722/200117-
dc.description.abstractFlexible, ergonomically enhanced surgical robots have important applications to transluminal endoscopic surgery, for which path-following and dynamic shape conformance are essential. In this paper, kinematic control of a snake robot for motion stabilisation under dynamic active constraints is addressed. The main objective is to enable the robot to track the visual target accurately and steadily on deforming tissue whilst conforming to pre-defined anatomical constraints. The motion tracking can also be augmented with manual control. By taking into account the physical limits in terms of maximum frequency response of the system (manifested as a delay between the input of the manipulator and the movement of the end-effector), we show the importance of visual-motor synchronisation for performing accurate smooth pursuit movements. Detailed user experiments are performed to demonstrate the practical value of the proposed control mechanism.-
dc.languageeng-
dc.relation.ispartofMedical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention-
dc.titleControl of articulated snake robot under dynamic active constraints.-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid20879404-
dc.identifier.scopuseid_2-s2.0-84870892899-
dc.identifier.volume13-
dc.identifier.issuePt 3-
dc.identifier.spage229-
dc.identifier.epage236-

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