Bernard Espiau

On-line Hand-Eye Calibration (2009)

Nicolas Andre, Radu Horaud, Bernard Espiau

In this paper, we address the problem of hand-eye calibration of a robot mounted video camera. In a rst time, we derive a new linear formulation of the problem. This allows an algebraic analysis of...

Sensor-Based Estimation of Human Motion for Control Synchronization (2009)

Espiau, Bernard

This paper addresses the question of embedded human motion sensing, in the framework of interaction with an artificial controller, either for activating a robot or for stimulating impaired human...

Downloaded from (2008)

Nicolas Andreff, Radu Horaud, Bernard Espiau, Nicolas Andreff, Radu Horaud, Bernard Espiau

In this paper, we propose a new flexible method for hand-eye calibration. The vast majority of existing hand-eye calibration techniques require a calibration rig that is used in conjunction with...

Downloaded from (2008)

Nicolas Andreff, Bernard Espiau, Radu Horaud, Nicolas Andreff, Bernard Espiau, Radu Horaud

In this paper, we present a new approach to visual servoing using lines. It is based on a theoretical and geometrical study of the main line representations, which allows us to define a new...

Online generation of cyclic leg trajectories synchronized with sensor measurement (2008)

Héliot, Rodolphe, Espiau, Bernard

The generation of trajectories for a biped robot is a problem which has been largely studied for several years, and many satisfying offline solutions exist for steady-state walking in absence of...

Multisensor Input for CPG-Based Sensory—Motor Coordination (2008)

Héliot, Rodolphe, Espiau, Bernard

This paper describes a method for providing in real time a reliable synchronization signal for cyclical motions such as steady-state walking. The approach consists in estimating online a phase...

Online generation of cyclic leg trajectories synchronized with sensor measurement (2008)

Héliot, Rodolphe, Espiau, Bernard

The generation of trajectories for a biped robot is a problem which has been largely studied for several years, and many satisfying offline solutions exist for steady-state walking in absence of...

Multisensor Input for CPG-Based Sensory—Motor Coordination (2008)

Héliot, Rodolphe, Espiau, Bernard

This paper describes a method for providing in real time a reliable synchronization signal for cyclical motions such as steady-state walking. The approach consists in estimating online a phase...

Contents (2007)

Bernard Espiau, Radu Horaud

2 A short critical history of visual servoing 4 3 Epipolar geometry, 3-D reconstruction, and camera calibration

DRAFT Limit cycles and their stability in a passive bipedal gait (2007)

Ambarish Goswami, Bernard Espiau, Ahmed Keramane

It is well-known that a suitably designed unpowered mechanical biped robot can "walk " down an inclined plane with a steady gait. The characteristics of the gait (e.g., velocity,...

Missions for an Autonomous Vehicle (2007)

Konstantinos Kapellos, Sofiane Abdou, Muriel Jourdan, Bernard Espiau

This paper describes the use of modern approaches of formal verification of behavioral and temporal temporties in an experimentation of automatic vehicle following. We firstly recall the key concepts...

Thme 3-- Interaction homme-machine, images, donn6es, connaissances (2007)

Nicolas Andreif, Bernard Espiau, Radu Horaud

Abstract: In this work, we present a fundamentally new approach to visual servoing using lines. It is based on a theoretical and geometrical study of the main line representations which allowed us to...

Robot Hand-Bye Calibration usin (2007)

Nicolas Andreft, Radu Horaud, Bernard Espiau

The method we propose simplifies the practical procedure for hand-eye calibration. Indeed, no more calibration jig is needed and small calibration motions can be used. Without calibration jig, camera...

passivity-mimicking (2007)

Ambarish Goswami, Bernard Espiau, Ahmed Keramane

cycles in a passive compass gait biped and

3 (2007)

Eugene Asarin, Sorav Bansal, Bernard Espiau, Thao Dang, Oded Maler

Abstract. In this work we present a novel control design methodology for under-actuated mechanical systems. As part of the design process we use the reachability analysis tool d=dt [ABDM99,D00] to...

Mission Programming: Application to the Distribution of Empty Vehicles in the PRAXITELE Project (2007)

Sofiane Abdou, Michel Parent, Bernard Espiau

In this paper, advanced mission programming issues for autonomous vehicles are addressed. We describe the use of structural specification and formal verification in experiments involving the...

Thème 4 — Simulation et optimisation de systèmes complexes (2007)

Apport De Recherche, Bernard Espiau, Bernard Espiau, Ronan Boulic, Ronan Boulic, Projet Bip

The control of the center of mass of a robot is a relevant problem in case of biped walking machines. Besides, studying the motion and the stabilization of the center of mass of a human is an...

A Synthesis of Bipedal Locomotion in Human and Robots (2007)

Azevedo, Christine, Amblard, Bernard, Espiau, Bernard, Assaiante, Christine

This report is the result of a joint reflection carried out by researchers from automatic control and neuroscience fields, both trying to answer a same question: what are the functional basis of...

A Synthesis of Bipedal Locomotion in Human and Robots (2007)

Azevedo, Christine, Amblard, Bernard, Espiau, Bernard, Assaiante, Christine

This report is the result of a joint reflection carried out by researchers from automatic control and neuroscience fields, both trying to answer a same question: what are the functional basis of...

Online Generation of Cyclic Trajectories Synchronized with Sensor Input (2007)

Héliot, Rodolphe, Espiau, Bernard

On s'intéresse à la question suivante : comment synchroniser en ligne une commande cyclique avec un signal capteur lui aussi cyclique ? Nous modélisons notre mesure à l'aide d'un oscillateur...

Online Generation of Cyclic Trajectories Synchronized with Sensor Input (2007)

Héliot, Rodolphe, Espiau, Bernard

On s'intéresse à la question suivante : comment synchroniser en ligne une commande cyclique avec un signal capteur lui aussi cyclique ? Nous modélisons notre mesure à l'aide d'un oscillateur...

Online Generation of Cyclic Trajectories Synchronized with Sensor Input (2006)

Héliot, Rodolphe, Espiau, Bernard

On s'intéresse à la question suivante : comment synchroniser en ligne une commande cyclique avec un signal capteur lui aussi cyclique ? Nous modélisons notre mesure à l'aide d'un oscillateur...

Online Generation of Cyclic Trajectories Synchronized with Sensor Input (2006)

Héliot, Rodolphe, Espiau, Bernard

On s'intéresse à la question suivante : comment synchroniser en ligne une commande cyclique avec un signal capteur lui aussi cyclique ? Nous modélisons notre mesure à l'aide d'un oscillateur...

Online Generation of Cyclic Trajectories Synchronized with Sensor Input (2006)

Héliot, Rodolphe, Espiau, Bernard

On s'intéresse à la question suivante : comment synchroniser en ligne une commande cyclique avec un signal capteur lui aussi cyclique ? Nous modélisons notre mesure à l'aide d'un oscillateur...

Online Generation of Cyclic Trajectories Synchronized with Sensor Input (2006)

Héliot, Rodolphe, Espiau, Bernard

On s'intéresse à la question suivante : comment synchroniser en ligne une commande cyclique avec un signal capteur lui aussi cyclique ? Nous modélisons notre mesure à l'aide d'un oscillateur...

A Synthesis of Bipedal Locomotion in Human and Robots (2004)

Azevedo, Christine, Amblard, Bernard, Espiau, Bernard, Assaiante, Christine

This report is the result of a joint reflection carried out by researchers from automatic control and neuroscience fields, both trying to answer a same question: what are the functional basis of...

A Synthesis of Bipedal Locomotion in Human and Robots (2004)

Azevedo, Christine, Amblard, Bernard, Espiau, Bernard, Assaiante, Christine

This report is the result of a joint reflection carried out by researchers from automatic control and neuroscience fields, both trying to answer a same question: what are the functional basis of...

A Synthesis of Bipedal Locomotion in Human and Robots (2004)

Azevedo, Christine, Amblard, Bernard, Espiau, Bernard, Assaiante, Christine

This report is the result of a joint reflection carried out by researchers from automatic control and neuroscience fields, both trying to answer a same question: what are the functional basis of...

A Synthesis of Bipedal Locomotion in Human and Robots (2004)

Azevedo, Christine, Amblard, Bernard, Espiau, Bernard, Assaiante, Christine

This report is the result of a joint reflection carried out by researchers from automatic control and neuroscience fields, both trying to answer a same question: what are the functional basis of...

A Synthesis of Bipedal Locomotion in Human and Robots (2004)

Azevedo, Christine, Amblard, Bernard, Espiau, Bernard, Assaiante, Christine

This report is the result of a joint reflection carried out by researchers from automatic control and neuroscience fields, both trying to answer a same question: what are the functional basis of...

A Synthesis of Bipedal Locomotion in Human and Robots (2004)

Azevedo, Christine, Amblard, Bernard, Espiau, Bernard, Assaiante, Christine

This report is the result of a joint reflection carried out by researchers from automatic control and neuroscience fields, both trying to answer a same question: what are the functional basis of...

Visual Servoing from Lines (2001)

Andreff, Nicolas, Espiau, Bernard, Horaud, Radu

In this work, we present a fundamentally new approach to visual servoing using lines. It is based on a theoretical and geometrical study of the main line representations which allowed us to define a...

Visual Servoing from Lines (2001)

Andreff, Nicolas, Espiau, Bernard, Horaud, Radu

In this work, we present a fundamentally new approach to visual servoing using lines. It is based on a theoretical and geometrical study of the main line representations which allowed us to define a...

Visual Servoing from Lines (2001)

Andreff, Nicolas, Espiau, Bernard, Horaud, Radu

In this work, we present a fundamentally new approach to visual servoing using lines. It is based on a theoretical and geometrical study of the main line representations which allowed us to define a...

On hybrid control of under-actuated mechanical systems (2001)

Eugene Asarin, Sorav Bansal, Bernard Espiau, Thao Dang, Oded Maler

Abstract. In this work we present a novel control design methodology for under-actuated mechanical systems. As part of the design process we use the reachability analysis tool d/dt [ABDM99,D00] to...

Visual Servoing from Lines (2001)

Nicolas Andreff, Bernard Espiau, Radu Horaud

In this work, we present a fundamentally new approach to visual servoing using lines. It is based on a theoretical and geometrical study of the main line representations which allowed us to de ne a...

On hybrid control of under-actuated mechanical systems (2001)

Eugene Asarin, Sorav Bansal, Bernard Espiau, Thao Dang, Oded Maler

Abstract. In this work we present a novel control design methodology for under-actuated mechanical systems. As part of the design process we use the reachability analysis tool d=dt [ABDM99,D00] to...

Visual servoing from lines (2001)

Nicolas Andreff, Bernard Espiau, Radu Horaud

In this paper we present a new approach to visual servoing using lines. It is based on a theoretical and geometrical study of the main line representations which allows us to define a new...

Controlling robots with two cameras: How to do it properly (2000)

Bart Lamiroy, Bernard Espiau, Nicolas Andreff, Radu Horaud

In this paper we address visual servoing through a fixed stereo rig using an image Jacobian. Existing methods are based on the stacking of monocular servo image Jacobians, resulting in largely...

Visual Servoing from Lines (2000)

Nicolas Andreff, Bernard Espiau, Radu Horaud

In this paper, we use an alternative formulation of the Euclidean Plucker coordinates to define the new of normalized Plucker coordinates alignment of lines. This concept is more relevant than usual...

Visual Servoing from Lines (2000)

Nicolas Andreff, Bernard Espiau, Radu Horaud

In this paper we present a new approach to visual servoing using lines. It is based on a theoretical and geometrical study of the main line representations which allows us to define a new...

Robot Hand-Eye Calibration using Structure-from-Motion (2000)

Nicolas Andre, Radu Horaud, Bernard Espiau

The method we propose simpli es the practical procedure for hand-eye calibration. Indeed, no more calibration jig is needed and small calibration motions can be used. Without calibration jig, camera...

Visual servoing from lines (2000)

Nicolas Andreff, Bernard Espiau, Radu Horaud

In this paper, we use an alternative formulation of the Euclidean Plucker coordinates to define the new of normalized Plucker coordinates alignment of lines. This concept is more relevant than usual...

On-line Hand-Eye Calibration (1999)

Nicolas Andreif, Radu Horaud, Bernard Espiau

In this paper, we address the problem of hand-eye calibration of a robot mounted video camera. In a first time, we derive a new linear formulation of the problem. This allows an algebraic analysis of...

Generation of Walk Transient Trajectories for a Biped Robot (1999)

Laure France, Alain Girault, Bernard Espiau

We want to control an anthropomorphic biped robot to make it walk in its environment. For this purpose, we need complete walk trajectories. We start with cyclic trajectories obtained with motion...

Can an Underactuated Leg with a Passive Spring at the Knee Achieve a Ballistic Step? (1998)

Espiau, Bernard, Guigues, Isabelle, Pissard-Gibollet, Roger

In this paper, we present the design and the results of a control scheme aimed at moving an underactuated double pendulum simulating a leg. The system is actuated at the hip and includes a spring at...

On the Computation and Control of the Mass Center of Articulated Chains (1998)

Espiau, Bernard, Boulic, Ronan

The control of the center of mass of a robot is a relevant problem in case of biped walking machines. Besides, studying the motion and the stabilization of the center of mass of a human is an...

Can an Underactuated Leg with a Passive Spring at the Knee Achieve a Ballistic Step? (1998)

Espiau, Bernard, Guigues, Isabelle, Pissard-Gibollet, Roger

In this paper, we present the design and the results of a control scheme aimed at moving an underactuated double pendulum simulating a leg. The system is actuated at the hip and includes a spring at...

Une méthode d'auto-étalonnage pince-caméra (1998)

Andreff, N., Espiau, Bernard, Horaud, Radu

Ce travail est lié à l'asservissement visuel d'une caméra montée sur un bras robotique. La loi de commande d'un tel système dépend de la position/orientation relative de la caméra et du...

On the Computation and Control of the Mass Center of Articulated Chains (1998)

Espiau, Bernard, Boulic, Ronan

The control of the center of mass of a robot is a relevant problem in case of biped walking machines. Besides, studying the motion and the stabilization of the center of mass of a human is an...

Can an Underactuated Leg with a Passive Spring at the Knee Achieve a Ballistic Step? (1998)

Espiau, Bernard, Guigues, Isabelle, Pissard-Gibollet, Roger

In this paper, we present the design and the results of a control scheme aimed at moving an underactuated double pendulum simulating a leg. The system is actuated at the hip and includes a spring at...

Une méthode d'auto-étalonnage pince-caméra (1998)

Andreff, N., Espiau, Bernard, Horaud, Radu

Ce travail est lié à l'asservissement visuel d'une caméra montée sur un bras robotique. La loi de commande d'un tel système dépend de la position/orientation relative de la caméra et du...

On the Computation and Control of the Mass Center of Articulated Chains (1998)

Espiau, Bernard, Boulic, Ronan

The control of the center of mass of a robot is a relevant problem in case of biped walking machines. Besides, studying the motion and the stabilization of the center of mass of a human is an...

Visually guided object grasping (1998)

Radu Horaud, Fadi Dornaika, Bernard Espiau

Abstract--- In this paper we present a visual servoing approach to the problem of object grasping and more generally, to the problem of aligning an end-effector with an object. First we extend the...

Bifurcation and chaos in a simple passive bipedal gait (1997)

Benoit Thuilot, Ambarish Goswami, Bernard Espiau

This paper proposes an analysis of the behavior of perhaps the simplest biped robot: the compass gait model. It has been shown previously that such a robot can walk down a slope indefinitely without...

Bifurcation and Chaos in a Simple Passive Bipedal Gait (1997)

Benoit Thuilot, Ambarish Goswami, Bernard Espiau

This paper proposes an analysis of the behavior of the simplest biped walker model, namely the compass gait model. It is shown that this walker can walk down a slope indefinitely without any...

Visually guided object grasping (1997)

Radu Horaud, Associate Member, Fadi Dornaika, Bernard Espiau

Abstract—In this paper, we present a visual servoing approach to the problem of object grasping and more generally, to the problem of aligning an end-effector with an object. First we extend the...

Compass-Like Biped Robot Part I : Stability and Bifurcation of Passive Gaits (1996)

Goswami, Ambarish, Thuilot, Benoit, Espiau, Bernard

It is well-known that a suitably designed unpowered mechanical biped robot can «walk» down an inclined plane with a steady gait. The characteristics of the gait (e.g., velocity, step period, step...

Compass-Like Biped Robot Part I : Stability and Bifurcation of Passive Gaits (1996)

Goswami, Ambarish, Thuilot, Benoit, Espiau, Bernard

It is well-known that a suitably designed unpowered mechanical biped robot can «walk» down an inclined plane with a steady gait. The characteristics of the gait (e.g., velocity, step period, step...

Compass-Like Biped Robot Part I : Stability and Bifurcation of Passive Gaits (1996)

Goswami, Ambarish, Thuilot, Benoit, Espiau, Bernard

It is well-known that a suitably designed unpowered mechanical biped robot can «walk» down an inclined plane with a steady gait. The characteristics of the gait (e.g., velocity, step period, step...

Limit cycles and their stability in a passive bipedal gait (1996)

Ambarish Goswami, Bernard Espiau, Ahmed Keramane

It is well-known that a suitably designed unpowered mechanical biped robot can "walk " down an inclined plane with a steady gait. The characteristics of the gait (e.g., velocity,...

Compass-like biped robot - Part I: Stability and bifurcation of passive gaits (1996)

Ambarish Goswami, Ambarish Goswami, Benoit Thuilot, Benoit Thuilot, Bernard Espiau, Bernard Espiau

: It is well-known that a suitably designed unpowered mechanical biped robot can "walk" down an inclined plane with a steady gait. The characteristics of the gait (e.g., velocity, step...

Formal Mission Specification In An Open Architecture (1996)

Bernard Espiau, Konstantinos Kapellos, Ève Coste-Manière, Nicolas Turro

This paper introduces the requirements that must be met to design a general and efficient control architecture for robotics system. The proposed solutions to these essential requisites are detailed...

Limit Cycles and Their Stability in a Passive Bipedal Gait (1996)

Ambarish Goswami, Bernard Espiau, Ahmed Keramane

It is well-known that a suitably designed unpowered mechanical biped robot can "walk" down an inclined plane with a steady gait. The characteristics of the gait (e.g., velocity, time...

On the Validation of Robotics Control Systems Part I: High Level Specification and Formal Verification (1995)

Espiau, Bernard, Kapellos, Konstantin, Jourdan, Muriel, Simon, Daniel

This report presents an extensive work on the specification and the formal verification of complex applications in advanced robotics systems. In a first part, the need for such studies is presented,...

Implementation with Orccad of a Method for Smooth Singularity Crossing in a 6-DOF Manipulator (1995)

Kapellos, Konstantin, Espiau, Bernard

Ce rapport présente une méthode permettant de traverser «en douceur» les singularités géométriques d'un robot manipulateur rigide. Basée sur l'approche par fonctions de tâche de C. Samson...

Sensor-Based Control of Holonomic Autonomous Underwater Vehicles (1995)

Santos, Aristide, Espiau, Bernard, Rives, Patrick, Simon, Daniel, Rigaud, Vincent

For underwater vehicles to be self-sufficient in an {\em a priori} unknown environment, feedback from the environment through altitude sensors is essential. This paper presents how this feedback can...

Asservissement visuel et commande de la distance focale (1995)

Espiau, Bernard

Cet article présente l'application de techniques d'asservissement visuel désormais classiques au cas où l'une des variables de commande est la distance focale. Plus précisément, on suppose...

Sur les erreurs en asservissement visuel (1995)

Espiau, Bernard

En asservissement visuel, la commande appliquée à une caméra utilise un modèle de la dynamique du système, essentiellement représentée par une matrice jacobienne appelée matrice...

On the Validation of Robotics Control Systems Part I: High Level Specification and Formal Verification (1995)

Espiau, Bernard, Kapellos, Konstantin, Jourdan, Muriel, Simon, Daniel

This report presents an extensive work on the specification and the formal verification of complex applications in advanced robotics systems. In a first part, the need for such studies is presented,...

Implementation with Orccad of a Method for Smooth Singularity Crossing in a 6-DOF Manipulator (1995)

Kapellos, Konstantin, Espiau, Bernard

Ce rapport présente une méthode permettant de traverser «en douceur» les singularités géométriques d'un robot manipulateur rigide. Basée sur l'approche par fonctions de tâche de C. Samson...

Sensor-Based Control of Holonomic Autonomous Underwater Vehicles (1995)

Santos, Aristide, Espiau, Bernard, Rives, Patrick, Simon, Daniel, Rigaud, Vincent

For underwater vehicles to be self-sufficient in an {\em a priori} unknown environment, feedback from the environment through altitude sensors is essential. This paper presents how this feedback can...

Asservissement visuel et commande de la distance focale (1995)

Espiau, Bernard

Cet article présente l'application de techniques d'asservissement visuel désormais classiques au cas où l'une des variables de commande est la distance focale. Plus précisément, on suppose...

Sur les erreurs en asservissement visuel (1995)

Espiau, Bernard

En asservissement visuel, la commande appliquée à une caméra utilise un modèle de la dynamique du système, essentiellement représentée par une matrice jacobienne appelée matrice...

On the Validation of Robotics Control Systems Part I: High Level Specification and Formal Verification (1995)

Espiau, Bernard, Kapellos, Konstantin, Jourdan, Muriel, Simon, Daniel

This report presents an extensive work on the specification and the formal verification of complex applications in advanced robotics systems. In a first part, the need for such studies is presented,...

Implementation with Orccad of a Method for Smooth Singularity Crossing in a 6-DOF Manipulator (1995)

Kapellos, Konstantin, Espiau, Bernard

Ce rapport présente une méthode permettant de traverser «en douceur» les singularités géométriques d'un robot manipulateur rigide. Basée sur l'approche par fonctions de tâche de C. Samson...

Sensor-Based Control of Holonomic Autonomous Underwater Vehicles (1995)

Santos, Aristide, Espiau, Bernard, Rives, Patrick, Simon, Daniel, Rigaud, Vincent

For underwater vehicles to be self-sufficient in an {\em a priori} unknown environment, feedback from the environment through altitude sensors is essential. This paper presents how this feedback can...

Asservissement visuel et commande de la distance focale (1995)

Espiau, Bernard

Cet article présente l'application de techniques d'asservissement visuel désormais classiques au cas où l'une des variables de commande est la distance focale. Plus précisément, on suppose...

Sur les erreurs en asservissement visuel (1995)

Espiau, Bernard

En asservissement visuel, la commande appliquée à une caméra utilise un modèle de la dynamique du système, essentiellement représentée par une matrice jacobienne appelée matrice...

Visually Guided Object Grasping (1995)

Radu Horaud, Fadi Dornaika, Christian Bard, Bernard Espiau

In this paper we describe a method for aligning a robot gripper --- or any other end effector --- with an object. An example of such a gripper/object alignment is grasping. The task consists of,...

Sensor-Based Control of Holonomic Autonomous Underwater Vehicles (1995)

Daniel Simon, Vincent Rigaud, Aristide Santos, Aristide Santos, Bernard Espiau, Bernard Espiau, ...

For underwater vehicles to be self-sufficient in an a priori unknown environment, feedback from the environment through altitude sensors is essential. This paper presents how this feedback can be...

Implementation with Orccad of a Method for Smooth Singularity Crossing in a 6-DOF Manipulator (1995)

Konstantin Kapellos, Konstantin Kapellos, B. Espinau, Bernard Espiau, Programme Robotique, Projet Bip

: This paper addresses the problem of kinematics singularity crossing for robot manipulators. The proposed method is based on the task-function approach ([5]) and is quite general. It has already be...

Formal Verification of Missions and Tasks Application to Underwater Robotics (1995)

Daniel Simon, Konstantinos Kapellos, Bernard Espiau

Software reliability is a major issue in the design of control architecture for autonomous robots operating in hostile environments, like the next generation of Autonomous Underwater Vehicles (AUVs)....

Computer-Aided Design of a Generic Robot Controller Handling Reactivity and Real-Time Control Issues (1995)

Daniel Simon, Bernard Espiau, Eduardo Castillo, Konstantinos Kapellos

This paper describes an original system, Orccad, for the computer-aided design of robot controllers. Accessed by three different user levels (system, control and application), it proposes a coherent...

Formal Verification of Robotic Missions and Tasks (1995)

Daniel Simon, Konstantinos Kapellos, Bernard Espiau, Muriel Jourdan

An undersea robot like a long-range AUV is a typical example of a critical system, like a satellite or a planetary rover. We mean here that, for such a system, any repairing or recovery operation,...

Visually Guided Object Grasping (1995)

Radu Horaud, Fadi Dornaika, Bernard Espiau

In this paper we present a visual servoing approach to the problem of object grasping and more generally, to the problem of aligning an end-effector with an object. First we extend the method...

Formal Verification of Missions and Tasks Application to Underwater Robotics (1995)

Daniel Simon, Konstantinos Kapellos, Bernard Espiau

Software reliability is a major issue in the design of control architecture for autonomous robots operating in hostile environments, like the next generation of Autonomous Underwater Vehicles (AUVs)....

Effect of camera calibration errors on visual servoing in robotics (1993)

Bernard Espiau

Abstract--- This paper addresses the problem of the influence of camera calibration errors on the performances of a control algorithm. More precisely, we examine the effects of errors in the values...

Designing an Intelligent Control Architecture for Autonomous Robots (1993)

Rachid Alami, Raja Chatila, Bernard Espiau

Designing a control architecture for autonomous robots able to reason and to act in their environment to accomplish tasks, and to adapt in real time to the actual execution context, raises major...

Une nouvelle approche de la relation vision-commande en robotique (1990)

Espiau, Bernard, Chaumette, Francois, Rives, Patrick

Ce rapport presente les concepts et les resultats relatifs a une nouvelle approche de la commande referencee vision en robotique. L'idee de base consiste a considerer un systeme de vision comme un...

Une nouvelle approche de la relation vision-commande en robotique (1990)

Espiau, Bernard, Chaumette, Francois, Rives, Patrick

Ce rapport presente les concepts et les resultats relatifs a une nouvelle approche de la commande referencee vision en robotique. L'idee de base consiste a considerer un systeme de vision comme un...

Une nouvelle approche de la relation vision-commande en robotique (1990)

Espiau, Bernard, Chaumette, Francois, Rives, Patrick

Ce rapport presente les concepts et les resultats relatifs a une nouvelle approche de la commande referencee vision en robotique. L'idee de base consiste a considerer un systeme de vision comme un...

Commande de systèmes redondants et évitement d'obstacles (1986)

Espiau, Bernard

Disponible dans les fichiers attachés à ce document

Commande de systèmes redondants et évitement d'obstacles (1986)

Espiau, Bernard

Disponible dans les fichiers attachés à ce document