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• (author = "Lefèvre, Philippe" AND subject = "Computer Simulation")
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author = "Lefèvre, Philippe" > : "Computer Simulation" (x)
1

Found 8 documents, displaying page 1 of 1

A computational model for rhythmic and discrete movements in uni- and bimanual coordination.

Author(s) : Ronsse, Renaud , Sternad, Dagmar , Lefèvre, Philippe
Description : Current research on discrete and rhythmic movements differs in both experimental procedures and theory, despite the ubiquitous overlap between discrete and rhythmic components in everyday behaviors. Models of rhythmic movements usually use oscillatory systems mimicking central pattern generators (CP...
Repository : DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) : English

Robotics and neuroscience: a rhythmic interaction.

Author(s) : Ronsse, Renaud , Lefèvre, Philippe , Sepulchre, Rodolphe
Description : At the crossing between motor control neuroscience and robotics system theory, the paper presents a rhythmic experiment that is amenable both to handy laboratory implementation and simple mathematical modeling. The experiment is based on an impact juggling task, requiring the coordination of two upp...
Repository : DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) : English

Timing Feedback Control of a Rhythmic System

Author(s) : Ronsse, Renaud , Lefèvre, Philippe , Sepulchre, Rodolphe
Description : This paper addresses the question relative to the role of sensory feedback in rhythmic tasks. We study the properties of a sinusoidally vibrating wedge-billiard as a model for 2-D bounce juggling. If this wedge is actuated with an harmonic sinusoidal input, it has been shown that some periodic orbit...
Repository : DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) : English

Sensorless stabilization of bounce juggling

Author(s) : Ronsse, Renaud , Lefèvre, Philippe , Sepulchre, Rodolphe
Description : The paper studies the properties of a sinusoidally vibrating wedge billiard as a model for 2-D bounce juggling. It is shown that some periodic orbits that are unstable in the elastic fixed wedge become exponentially stable in the nonelastic vibrating wedge. These orbits are linked with certain class...
Repository : DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) : English

Optimal integration of gravity in trajectory planning of vertical pointing movements.

Author(s) : Crevecoeur, Frédéric , Thonnard, Jean-Louis , Lefèvre, Philippe
Description : The planning and control of motor actions requires knowledge of the dynamics of the controlled limb to generate the appropriate muscular commands and achieve the desired goal. Such planning and control imply that the CNS must be able to deal with forces and constraints acting on the limb, such as th...
Repository : DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) : English

Further evidence that a shared efferent collicular pathway drives separate circuits for smooth eye movements and saccades.

Author(s) : Missal, Marcus , Coimbra, A , Lefèvre, Philippe , Olivier, Etienne
Description : The aim of the present study was to find out whether smooth eye movements (SEMs) evoked by superior colliculus (SC) stimulation are, as suggested by Breznen et al. (1996), artefactual eye movements resulting from a non-physiological response of the saccadic generator. This question was reinvestigate...
Repository : DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) : English

Altered gravity highlights central pattern generator mechanisms.

Author(s) : White, Olivier , Bleyenheuft, Yannick , Ronsse, Renaud , Smith, Allan M , Thonnard, Jean-Louis , Lefèvre, Philippe
Description : In many nonprimate species, rhythmic patterns of activity such as locomotion or respiration are generated by neural networks at the spinal level. These neural networks are called central pattern generators (CPGs). Under normal gravitational conditions, the energy efficiency and the robustness of hum...
Repository : DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) : English

Altered gravity highlights central pattern generator mechanisms.

Author(s) : White, Olivier , Bleyenheuft, Yannick , Ronsse, Renaud , Smith, Allan M , Thonnard, Jean-Louis , Lefèvre, Philippe
Description : In many nonprimate species, rhythmic patterns of activity such as locomotion or respiration are generated by neural networks at the spinal level. These neural networks are called central pattern generators (CPGs). Under normal gravitational conditions, the energy efficiency and the robustness of hum...
Repository : DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) : English
1

Found 8 documents, displaying page 1 of 1