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Using distributed intelligence to control the vacuum system of a very large accelerator

Publications associées (38)

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Transient Behavior of variable speed pump-turbine units

François Avellan, Jean-Jacques Simond, Christophe Nicolet, Basile Kawkabani, Yves Pannatier, Alexander Schwery

This paper presents the modeling, simulation and analysis of the dynamic behavior of a fictitious 2x320 MW variable speed pump-turbine power plant including hydraulic system, electrical installations, rotating inertias and control systems. First, the model ...

International Association For Hydraulic Research2008

SwissCube Inertia Wheel Assembly - Electronics

Omar Scaglione

The Inertia Wheel Assembly (IWA) is composed by the IWA motor, the inertia wheel and the command electronics. IWA belongs to the Attitude Determination and Control System (ADCS) of the SwissCube satellite. Swisscube is a pico-satellite that complies with C ...

2007

Atomic broadcast

Nils Richard Ekwall

Within only a couple of generations, the so-called digital revolution has taken the world by storm: today, almost all human beings interact, directly or indirectly, at some point in their life, with a computer system. Computers are present on our desks, co ...

EPFL2007

INTERACTIVE APPLICATIONS IN A MANDATORY CONTROL COURSE

Roland Longchamp, Yves Henri Philippe Piguet

This paper describes how a mandatory control course is enhanced with interactive applications. Basic concepts of automatic control, different ways to assess performance and robustness of a controlled system, and limits of closed- loop systems are illustrat ...

2006

Modelling and monitoring industrial automation systems

Rodrigo Garcia Garcia

The modelling of a manufacturing enterprise is not an easy task. A manufacturing enterprise is a complex system where technical knowledge is as important as management abilities. For taking more accurate management decisions and for these decisions to have ...

EPFL2006

Real-time data transfer in the TCV advanced plasma control system

Basil Duval, Jean-Marc Moret

A high performance system, specially designed for real-time plasma control and event detection on fusion experiments has been developed by the Centro de Fusao Nuclear of the Instituto Superior Tecnico (CFN/IST). Presently it is being integrated into the ad ...

2006

Perturbation rejection control strategy for OWL

Ljubisa Miskovic, Babak Sedghi

The control system of the ESO 100 m telescope (OWL) has to reject slow and fast perturbations in several subsystems. In this paper we focus on the wind rejection control strategies for two subsystems: the main axes and the segmented mirror. It is shown tha ...

2006

Accuracy of the transverse emittance measurements of the CERN large hadron collider

High energy accelerators and storage rings are designed to collide charged particle beams and study their collision products. The production rate of the collision products has to be maximized in order to reduce the statistical uncertainty of the produced e ...

EPFL2006

Communication Infrastructure Design for Wide-Area Mobile Computation: Specification in Nomadic Pict

We review an example of wide-area mobile agent applications: video-on-demand, long-lived scientific computation, and collaborative work, and the design of a distributed infrastructure required in each of these applications for location-independent communic ...

2005

Modelling Industrial Plant Automation Systems Using IEC 61346

Esther Gelle

The IEC 61346 standard establishes general principles for structuring the information of technical systems. This paper discusses the ideas shown in the Standard emphasizing the fact that some parts of it are ambiguous and can lead to different interpretati ...

2004