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Krasovskii and Shifted Passivity-Based Control [PDF]
IEEE Transactions on Automatic Control, 2021 In this article, our objective is to develop novel passivity-based control techniques by introducing a new passivity concept named Krasovskii passivity.
Yu Kawano +2 more
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Language, 2020
Perlmutter and Postal (1977 and subsequent) argued that passives cannot passivize. Three prima facie counterexamples have come to light, found in Turkish, Lithuanian, and Sanskrit. We reexamine these three cases and demonstrate that rather than counterexemplifying Perlmutter and Postal's generalization, these confirm it.
Julie Anne Legate +3 more
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Perlmutter and Postal (1977 and subsequent) argued that passives cannot passivize. Three prima facie counterexamples have come to light, found in Turkish, Lithuanian, and Sanskrit. We reexamine these three cases and demonstrate that rather than counterexemplifying Perlmutter and Postal's generalization, these confirm it.
Julie Anne Legate +3 more
openaire +1 more source
Passivity analysis and passivation of feedback systems using passivity indices
2014 American Control Conference, 2014Passivity indices are used to measure the excess or shortage of passivity. While most of the work in the literature focuses on stability conditions for interconnected systems using passivity indices, here we focus on passivity and passivation of the feedback interconnection of two input feed-forward output-feedback (IF-OF) passive systems.
Feng Zhu 0021 +2 more
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Passivity control of a passive haptic device
2004 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) (IEEE Cat. No.04CH37566), 2005In this paper, we propose an energy-based stability control of a passive haptic device equipped with passive actuators such as an electric brake. Unstable behavior is observed even in the passive haptic system due to time delay mainly arising from the slow update rate of the virtual environment.
Beom-Seop Kim +4 more
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Are “Passive” Extension Exercises Really Passive?
Journal of Orthopaedic & Sports Physical Therapy, 1994When rehabilitating patients with back dysfunction, extension exercises that are presumably "passive" for the erector spinae muscles are frequently used. The purpose of this study was to record electromyographic (EMG) activity from back extensor muscles to determine if these muscles are truly inactive during these maneuvers.
I, Fiebert, C D, Keller
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Revista Colombiana de Psiquiatría (English ed.), 2023
Wives of military personnel in action living on bases located in areas of armed conflict in Colombia before the peace negotiations with the Revolutionary Armed Forces of Colombia (FARC), were first-hand observers of the war, their husbands' participation in the war and the consequences and effects of the combat in which others participated.To offer a ...
José Antonio, Garciandía Imaz +1 more
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Wives of military personnel in action living on bases located in areas of armed conflict in Colombia before the peace negotiations with the Revolutionary Armed Forces of Colombia (FARC), were first-hand observers of the war, their husbands' participation in the war and the consequences and effects of the combat in which others participated.To offer a ...
José Antonio, Garciandía Imaz +1 more
openaire +2 more sources
IFAC Proceedings Volumes, 2013
Abstract Motivated by developments on differential Lyapunov functions for contraction analysis in Forni, Sepulchre (2012) we propose a definition of differential passivity, based on the geometric framework of the prolongation of a nonlinear system in Crouch, van der Schaft (1987). We explore the ramifications of this definition and its potential uses.
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Abstract Motivated by developments on differential Lyapunov functions for contraction analysis in Forni, Sepulchre (2012) we propose a definition of differential passivity, based on the geometric framework of the prolongation of a nonlinear system in Crouch, van der Schaft (1987). We explore the ramifications of this definition and its potential uses.
openaire +2 more sources