Publications de Laurent Fabre | EPFL Graph Search

Distributed Intelligent Modules System Using Power-line Communication for Electrical Appliance Automation

Maher Kayal, Fabrizio Lo Conte, Laurent Fabre, Thierry Barras

In a first aspect the invention provides a system that comprising a plurality of electronic modules, each one of the electronic modules configured for enabling automation of an electrical appliance to be connected to the electronic module. Each electronic ...

2016

High-Speed Power System Transient Stability Simulation Using Highly Dedicated Hardware

Sidi-Rachid Cherkaoui, Maher Kayal, François Krummenacher, Marc Pastre, Laurent Fabre, Ira Nagel

This paper presents a fully analog demonstrator based on power system emulation for high-speed power system stability analysis.Abenchmark using a fixed two-machine topology has been implemented. The characteristics of the emulated components (i.e., generat ...

IEEE Institute of Electrical and Electronics Engineers2013

Ultra high-speed electronics for power system dynamic emulation

Laurent Fabre

Modern society is dependent on reliable electricity for security, health, communication, transportation, finance, computers and nearly all aspects of the contemporary life. Providing reliable electricity is a very complex challenge. It involves real-time m ...

EPFL2013

An Ultra-High Speed Emulator Dedicated to Power System Dynamics Computation Based on a Mixed-Signal Hardware Platform

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel, Guillaume Olivier Lanz, Denis Sallin, Theodoros Kyriakidis

This paper presents an ultra-high speed hardware platform dedicated to power system dynamic (small signal) and transient (large signal) stability. It is based on an intrinsic parallel architecture which contains hybrid mixed-signal (analog and digital) cir ...

IEEE Institute of Electrical and Electronics Engineers2013

A 3D architecture platform dedicated to high-speed computation for power system

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel, Guillaume Olivier Lanz, Denis Sallin, Theodoros Kyriakidis

This paper presents an innovative 3D hardware architecture for power system dynamic and transient stability. Based on an intrinsic parallel architecture by means of mixedsignal circuits (analog and digital) it overcomes the speed of numerical simulators fo ...

2013

Tunable floating active inductor with internal offset reduction

Sidi-Rachid Cherkaoui, Maher Kayal, François Krummenacher, Marc Pastre, Laurent Fabre, Ira Nagel

Presented is a transistor-level implementation of a floating and tunable CMOS active inductor. It is based on the classical gyrator-C topology and is enhanced by adding an internal offset reduction mechanism to guarantee functionality also for unbalanced D ...

2012

Reconfigurable fully integrated inductance for high-speed transient stability emulation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2011

A mixed-signal platform dedicated to power system dynamic computation

Sidi-Rachid Cherkaoui, Maher Kayal, Cédric Meinen, Laurent Fabre, Ira Nagel

has already been proven that analog emulation overcomes the speed limits of numerical simulators by means of a simple fixed-topology prototype. In order to enhance the modularity and the size of the emulated power system a dedicated platform based on a fie ...

IEEE2011

An ultra high-speed, mixed-signal emulator for solving power system dynamic equations

Sidi-Rachid Cherkaoui, Maher Kayal, Fabrizio Lo Conte, Laurent Fabre, Ira Nagel, Guillaume Olivier Lanz

This paper focuses on a new pipelined processing unit architecture dedicated to mixed-signal power system emulation. Prior research in this field has proven that analog emulation overcomes the speed limits of numerical simulators with reliable accuracy. Th ...

IEEE2011

High-Speed Power System Stability Simulation Using Analog Computation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

This paper presents a microelectronic emulation approach for high-speed power system computation. First, the problems of existing power system simulators are detailed. This shows that microelectronic emulation is a possible solution for solving the speed p ...

2010

6. MEMS based color-VGA micro-projector system

Maher Kayal, Fabrizio Lo Conte, Laurent Fabre, Didier Raboud, Thierry Barras, Nicolas Abelé

This paper presents a complete portable laser-based projection system using twofold of one dimensional magnetic actuated MEMS linear scanning micro-mirrors. Dedicated high speed electronics was developed to drive the MEMS, detect the mirror scanning positi ...

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2010

Micro-beamer based on MEMS micro-mirrors and laser light source

Maher Kayal, Fabrizio Lo Conte, Laurent Fabre, Nicolas Abelé, Christophe Winter

This paper presents a complete portable laser-based projection system using two one-dimensional magnetic actuated MEMS linear scanning micro-mirrors. Dedicated high speed electronics was developed to drive the MEMS, detect the mirror scanning position at a ...

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2009

Calculateur analogique faible consommation dédié au calcul transitoire des réseaux électriques

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2009

High-Speed Power System Stability Simulation Using Analog Computation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

This paper introduces a microelectronic emulation approach for high-speed power system computation. First, the problems of existing power system simulators are detailed. This shows that microelectronic emulation is a possible solution for the speed problem ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

High-Speed, Mixed-Signal Emulation for Power System Dynamic Analysis

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2009

Experimental Investigation of Flow Instabilities and Rotating Stall in a High-Energy Centrifugal Pump Stage

François Avellan, Philippe Dupont, Maher Kayal, Mohamed Farhat, Laurent Fabre, Stefan Berten

In centrifugal pumps, the interaction between the rotating impeller and the stationary diffuser generates specific pressure fluctuation patterns. When the pump is operated at off design conditions, these pressure fluctuations increase. The resulting rise o ...

ASME2009

Microelectronic Emulation for Power System Computation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2008

Emulation du réseau électrique à l’aide de circuits électroniques

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2007

Toward a power system emulation using analog microelectronics solid state circuits

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

An analog electronics emulation solution is investigated in order to assess the state of a power system facing dynamic phenomena such as the transient stability. Two approaches are studied: DC emulation and AC emulation. Both are intended to be integrated ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2007

TinyNode: A Comprehensive Platform for Wireless Sensor Network Applications

Roger Meier, Henri Julien Dubois-Ferrière, Laurent Fabre, Pierre Métrailler

We introduce the TinyNode platform for wireless sensor networks. Supporting both research and industrial deployments, the platform offers communication ranges that exceed current platforms by a factor of 3 to 5, while consuming similar energy. It comes wit ...

2006