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- Publisher Website: 10.1017/S0263574713000386
- Scopus: eid_2-s2.0-84890405472
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Article: Modeling tendon-sheath mechanism with flexible configurations for robot control
Title | Modeling tendon-sheath mechanism with flexible configurations for robot control |
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Authors | |
Keywords | Force control Haptic interfaces Surgical robots Teleoperation Control of robotic systems |
Issue Date | 2013 |
Citation | Robotica, 2013, v. 31, n. 7, p. 1131-1142 How to Cite? |
Abstract | Surgical and search/rescue robots often work in environments with very strict spatial constraints. The tendon-sheath mechanism is a promising candidate for driving such systems, allowing power sources and actuation motors placed outside to transmit force and energy to the robot at the distal end through the constrained environment. Having both compactness and high force capability makes it very attractive for manipulation devices. On the other hand, the friction attenuation of tendon tension is nonlinear and configuration-dependent due to tendon/sheath interactions throughout the transmission path. This is a major obstacle for the tendon-sheath mechanism to be widely adopted. Here, we focus on the friction analysis for flexible and time-varying tendon-sheath configurations: the most challenging but yet commonly encountered case for real-world applications. Existing results on fixed-path configurations are reviewed, revisited, and extended to flexible and time-varying cases. The effect of tendon length to friction attenuation is modeled. While focusing on tension transmission, tendon elongation is also discussed with the length effect applied. In the end, two-dimensional results are extended to three-dimensional tendon-sheath configurations. All propositions and theorems are validated on a dedicated experimental platform. © 2013 Cambridge University Press. |
Persistent Identifier | http://hdl.handle.net/10722/199936 |
ISSN | 2023 Impact Factor: 1.9 2023 SCImago Journal Rankings: 0.579 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Wang, Zheng | - |
dc.contributor.author | Sun, Zhenglong | - |
dc.contributor.author | Phee, Soojay | - |
dc.date.accessioned | 2014-07-26T23:10:56Z | - |
dc.date.available | 2014-07-26T23:10:56Z | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | Robotica, 2013, v. 31, n. 7, p. 1131-1142 | - |
dc.identifier.issn | 0263-5747 | - |
dc.identifier.uri | http://hdl.handle.net/10722/199936 | - |
dc.description.abstract | Surgical and search/rescue robots often work in environments with very strict spatial constraints. The tendon-sheath mechanism is a promising candidate for driving such systems, allowing power sources and actuation motors placed outside to transmit force and energy to the robot at the distal end through the constrained environment. Having both compactness and high force capability makes it very attractive for manipulation devices. On the other hand, the friction attenuation of tendon tension is nonlinear and configuration-dependent due to tendon/sheath interactions throughout the transmission path. This is a major obstacle for the tendon-sheath mechanism to be widely adopted. Here, we focus on the friction analysis for flexible and time-varying tendon-sheath configurations: the most challenging but yet commonly encountered case for real-world applications. Existing results on fixed-path configurations are reviewed, revisited, and extended to flexible and time-varying cases. The effect of tendon length to friction attenuation is modeled. While focusing on tension transmission, tendon elongation is also discussed with the length effect applied. In the end, two-dimensional results are extended to three-dimensional tendon-sheath configurations. All propositions and theorems are validated on a dedicated experimental platform. © 2013 Cambridge University Press. | - |
dc.language | eng | - |
dc.relation.ispartof | Robotica | - |
dc.subject | Force control | - |
dc.subject | Haptic interfaces | - |
dc.subject | Surgical robots | - |
dc.subject | Teleoperation | - |
dc.subject | Control of robotic systems | - |
dc.title | Modeling tendon-sheath mechanism with flexible configurations for robot control | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1017/S0263574713000386 | - |
dc.identifier.scopus | eid_2-s2.0-84890405472 | - |
dc.identifier.volume | 31 | - |
dc.identifier.issue | 7 | - |
dc.identifier.spage | 1131 | - |
dc.identifier.epage | 1142 | - |
dc.identifier.eissn | 1469-8668 | - |
dc.identifier.isi | WOS:000326920800010 | - |
dc.identifier.issnl | 0263-5747 | - |