Sampled- and continuous-time passivity and stability of virtual environments
Identifieur interne : 000F35 ( PascalFrancis/Corpus ); précédent : 000F34; suivant : 000F36Sampled- and continuous-time passivity and stability of virtual environments
Auteurs : Jee-Hwan Ryu ; YOON SANG KIM ; Blake HannafordSource :
- IEEE transactions on robotics
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
We propose a new time-domain passivity observer (PO) and passivity controller (PC) which removes the constant-velocity assumption during one sample time, which was used in our previous PO/PC approach. A new sampled-time definition of passivity is introduced, and this new definition is compared with the previous sampled-time definition of passivity. Through this comparison, we propose the more accurate PO/PC approach. The proposed new PO/PC approach is applied to the "Excalibur" haptic interface system with very high stiffness (K = 120 kN.m) virtual environment, and stable contact is demonstrated.
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Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 04-0537823 CRAN |
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ET : | Sampled- and continuous-time passivity and stability of virtual environments |
AU : | RYU (Jee-Hwan); YOON SANG KIM; HANNAFORD (Blake) |
AF : | Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology/Taejeon 305-701/Corée, République de (1 aut.); Samsung Advanced Institute of Technology/Yongin 449-907/Corée, République de (2 aut.); Department of Electrical Engineering, University of Washington/Seattle, WA 98195-2500/Etats-Unis (3 aut.) |
DT : | Publication en série; Courte communication, note brève; Niveau analytique |
SO : | IEEE transactions on robotics; Etats-Unis; Da. 2004; Vol. 20; No. 4; Pp. 772-776; Bibl. 13 ref. |
LA : | Anglais |
EA : | We propose a new time-domain passivity observer (PO) and passivity controller (PC) which removes the constant-velocity assumption during one sample time, which was used in our previous PO/PC approach. A new sampled-time definition of passivity is introduced, and this new definition is compared with the previous sampled-time definition of passivity. Through this comparison, we propose the more accurate PO/PC approach. The proposed new PO/PC approach is applied to the "Excalibur" haptic interface system with very high stiffness (K = 120 kN.m) virtual environment, and stable contact is demonstrated. |
CC : | 001D02D13 |
FD : | Système échantillonné; Passivité; Identification système; Observateur; Temps continu; Réalité virtuelle; Pilotage ordinateur; Interface utilisateur; Méthode domaine temps |
ED : | Sampled system; Passivity; System identification; Observer; Continuous time; Virtual reality; Computer control; User interface; Time domain method |
SD : | Sistema muestreado; Pasividad; Identificación sistema; Observador; Tiempo continuo; Realidad virtual; Control por ordenador; Interfase usuario; Método dominio tiempo |
LO : | INIST-21023A |
ID : | 04-0537823 |
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Pascal:04-0537823Le document en format XML
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<server><NO>PASCAL 04-0537823 CRAN</NO>
<ET>Sampled- and continuous-time passivity and stability of virtual environments</ET>
<AU>RYU (Jee-Hwan); YOON SANG KIM; HANNAFORD (Blake)</AU>
<AF>Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology/Taejeon 305-701/Corée, République de (1 aut.); Samsung Advanced Institute of Technology/Yongin 449-907/Corée, République de (2 aut.); Department of Electrical Engineering, University of Washington/Seattle, WA 98195-2500/Etats-Unis (3 aut.)</AF>
<DT>Publication en série; Courte communication, note brève; Niveau analytique</DT>
<SO>IEEE transactions on robotics; Etats-Unis; Da. 2004; Vol. 20; No. 4; Pp. 772-776; Bibl. 13 ref.</SO>
<LA>Anglais</LA>
<EA>We propose a new time-domain passivity observer (PO) and passivity controller (PC) which removes the constant-velocity assumption during one sample time, which was used in our previous PO/PC approach. A new sampled-time definition of passivity is introduced, and this new definition is compared with the previous sampled-time definition of passivity. Through this comparison, we propose the more accurate PO/PC approach. The proposed new PO/PC approach is applied to the "Excalibur" haptic interface system with very high stiffness (K = 120 kN.m) virtual environment, and stable contact is demonstrated.</EA>
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