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Position-error based schemes for bilateral teleoperation with time delay: / Ilia G. Polushin in Transactions of the ASME . Journal of dynamic systems, measurement, and control, Vol. 132 N° 3 (Mai 2010) 

Public ISBD [article]  in Transactions of the ASME . Journal of dynamic systems, measurement, and control > Vol. 132 N° 3 (Mai 2010) . - 11 p. Titre : Position-error based schemes for bilateral teleoperation with time delay: Type de document : texte imprimé Auteurs : Ilia G. Polushin, Auteur ; Liu, Peter X., Auteur ; Chung-Horng Lung, Auteur Année de publication : 2010 Article en page(s) : 11 p. Note générale : Systèmes dynamiques Langues : Anglais (eng) Mots-clés : Delays  Differential  equations  Feedback  Stability  Telerobotics  Time-varying  systems Index. décimale : 629.8 Résumé : The problem of stable bilateral teleoperation with position-error based force feedback in the presence of time-varying possibly unbounded communication delay is addressed. Two stabilization schemes are proposed that guarantee “independent of delay” stability of the teleoperator system. In particular, one of the schemes theoretically allows to achieve an arbitrary high force-reflection gain, which leads to better transparency without sacrificing the stability of the overall system. The stability analysis is based on the input-to-output stable small gain theorem for systems of functional-differential equations. Experimental results are presented, which demonstrate stable behavior of the telerobotic system with time-varying communication delay during contact with a rigid obstacle. DEWEY : 629.8 ISSN : 0022-0434 En ligne : http://asmedl.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JDSMAA00013200 [...] [article] Position-error based schemes for bilateral teleoperation with time delay: [texte imprimé] / Ilia G. Polushin, Auteur ; Liu, Peter X., Auteur ; Chung-Horng Lung, Auteur . - 2010 . - 11 p. Systèmes dynamiques Langues : Anglais (eng) in Transactions of the ASME . Journal of dynamic systems, measurement, and control > Vol. 132 N° 3 (Mai 2010) . - 11 p. Mots-clés : Delays  Differential  equations  Feedback  Stability  Telerobotics  Time-varying  systems Index. décimale : 629.8 Résumé : The problem of stable bilateral teleoperation with position-error based force feedback in the presence of time-varying possibly unbounded communication delay is addressed. Two stabilization schemes are proposed that guarantee “independent of delay” stability of the teleoperator system. In particular, one of the schemes theoretically allows to achieve an arbitrary high force-reflection gain, which leads to better transparency without sacrificing the stability of the overall system. The stability analysis is based on the input-to-output stable small gain theorem for systems of functional-differential equations. Experimental results are presented, which demonstrate stable behavior of the telerobotic system with time-varying communication delay during contact with a rigid obstacle. DEWEY : 629.8 ISSN : 0022-0434 En ligne : http://asmedl.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JDSMAA00013200 [...]