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Denis Gillet

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Related publications (217)

Towards Collaborative Portable Web Spaces

Denis Gillet, Stéphane Sire, Evgeny Bogdanov

As two recent trends in Web development, Widgets and mashups, are converging, we claim that there is a growing need to define a Widget Space configuration language to allow building flexible personal learning environments that could be independent of a run ...

2009

Dynamical biomechanical model of the shoulder: null space based optimization of the overactuated system

Dominique Pioletti, Denis Gillet, Philippe Müllhaupt, Alexandre Terrier, Yvan Michellod, Martin Aeberhard

A new dynamical model of the shoulder has been developed. It consists of eleven muscles. The glenohumeral joint, modeled as a spherical joint, allows three rotations and blocks the translations. Muscle wrapping around a spherical humeral head is calculated ...

2009

Science 2.0: Supporting a Doctoral Community of Practice in Technology Enhanced Learning using Social Software

Denis Gillet, Sandy Ingram

The STELLAR European network of Excellence (NoE) (http://www.stellarnet.eu) represents the effort of leading European institutions and projects in Technology Enhanced Learning (TEL) to unify their diverse and sometimes fragmented community. The Network is ...

2009

On Decentralized Navigation Schemes for Coordination of Multi-Agent Dynamical Systems

Denis Gillet, Sylvain Rudaz, Hajir Roozbehani

Coordination of autonomous non-point agents in four-way crossings is studied in this work. A control scheme based on artiﬁcial potential functions is proposed in order to coordinate holonomic agents whose aim is to pass through an intersection while avoidi ...

2009

A Hamilton-Jacobi Formulation for Cooperative Control of Multi-Agent Systems

Denis Gillet, Sylvain Rudaz, Hajir Roozbehani

Coordination of autonomous non-point agents is studied in this work. Interactions between vehicles together with their internal dynamics have been modeled as a continuous, unconstrained differential game. In particular, collision prediction is shown to be ...

2009

Dedicated controller design for a dual-stage opto-mechatronic system

Denis Gillet, Philippe Müllhaupt, Yvan Michellod

To improve the resolution of the Very Large Telescope Interferometer (VLTI) a two-stage mechanical system, a so called Differential Delay Line (DDL), is developed jointly by the EPFL and the Observatory of Geneva. The system is designed to reach nanometer ...

IEEE2008

Turning Web 2.0 Social Software into Versatile Collaborative Learning Solutions

Denis Gillet, Christophe Salzmann, Sandy Ingram

In the framework of the European Integrated Project PALETTE, the École Polytechnique Fédérale de Lausanne (EPFL) is developing the eLogbook Web 2.0 social software. The purpose of eLogbook is to support tacit and explicit knowledge management in communitie ...

IEEE Computer Society Press2008

A Systematic Two-Layer Approach to Develop Web-based Experimentation Environments for Control Engineering Education

Denis Gillet, Christophe Salzmann

This paper introduces the systematic approach currently used by the Department of Computer Science and Automatic Control of the Spanish University of Distance Learning (UNED) to develop Web-based laboratories for distance learning of topics with high techn ...

2008

Social Software Modeling and Mashup based on Actors, Activities and Assets

Denis Gillet, Christophe Salzmann, Sandy Ingram, Evgeny Bogdanov

Despite the extreme diversity of Web applications, one can find similarities among them. This paper proposes an answer to the question of knowing whether it is possible to conceptually represent different Web applications in a common manner such that they ...

2008

From online experiments to smart devices

Denis Gillet, Christophe Salzmann

Online experiments have been available for more than a decade. The integration of online experiments to collaborative environments is more recent. The wealth of client application/environments, the versatility of possible interaction protocols/technologies ...

2008

Participatory Design for Awareness Features: Enhancing Interaction in Communities of Practice

Denis Gillet

In the framework of the European Integrated Project PALETTE, the École Polytechnique Fédérale de Lausanne (EPFL) and the University of Patras are developing mediation services. These services aim at sustaining collaboration, supporting tacit and explicit k ...

2008

On Achieving Periodic Joint-Motion for Redundant Robots

Denis Gillet, Philippe Müllhaupt, Yvan Michellod

The consequence of the loss of involutivity of a specific set of vector fields on the periodicity of the joint motion is examined for redundant robots. An output task, defined as a one dimensional periodic closed curve embedded in a two dimensional working ...

2008

Feed-oriented awareness services for e-logbook mobile users

Denis Gillet, Christophe Salzmann, Sandy Ingram

The e-logbook is a collaborative web-based environment deployed by the Swiss Federal Institute of Technology in Lausanne (EPFL). It consists of an activity-oriented space where a community of educators, teaching assistants and students can form groups, con ...

2008

Real-time compensation of hysteresis in piezoelectric-stack actuator tracking a stochastic reference

Denis Gillet, Philippe Müllhaupt, Yvan Michellod

This paper presents a convenient way to invert the classical Preisach model to compensate the hysteresis of a piezoelectric stack actuator in real-time. The advantage of the proposed method lies in the possibility to track a stochastic signal and compensat ...

2008

Remote lab: online support and awareness analysis

Denis Gillet, Christophe Salzmann, Peter Scott

This paper presents an initiative for integrating leading edge remote experimentation and synchronous collaboration solutions as a proof of concept to pave the way towards comprehensive learning environments for live interaction, not only between people th ...

The International Federation of Automatic Control2008

From online experiments to smart devices

Denis Gillet, Christophe Salzmann

Online experiments have been available for more than a decade. The integration of online experiments into collaborative environments is more recent. The wealth of client applications/environments, the versatility of possible interaction protocols/technolog ...

2008

User Perception Model for Wearable Supervision Systems

Denis Gillet, Christophe Salzmann, Damien Perritaz

Wearable supervision systems ease the deployment of advanced mobile solutions for the control of industrial plants. These systems are used to provide operators with the adequate information to perform the required manual operations on industrial plants. Th ...

ACM: The Singapore Chapter of the Association for Computing Machinery2007

The eLogBook Framework: Sustaining Interaction, Collaboration, and Learning in Laboratory-Oriented CoPs

Denis Gillet, Christophe Salzmann

Convinced by the important role of CoPs (communities of practice) and the innovative learning modality they offer, the Ecole Polytechnique Fédérale de Lausanne is currently developing a framework to sustain interaction, collaboration, and learning in labor ...

2007

Turning Web 2.0 Social Software into Collaborative Learning and Knowledge Management Solutions

Denis Gillet, Sandy Ingram

After years of quest by the computer-supported collaborative work community for true user satisfaction, social software and communities of practice turn out to be the enabling frameworks for natural and effective collaborative learning and knowledge manage ...

2007

Challenges in Remote Laboratory Sustainability

Denis Gillet, Christophe Salzmann

Remote experimentation facilities have been accessible from the Internet for more than a decade. However, sustainability of such services is not adequately ensured in many academic institutions. The major challenge lies in moving from a single research set ...

2007

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