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Author : Karine Altisen
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (493 download)
Download or read book Application de la synthèse de contrôleur à l'ordonnancement de systèmes temps-réel written by Karine Altisen and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Houssine Chetto
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (494 download)
Download or read book L'ordonnancement dans les systemes de controle temps-reel a contraintes strictes written by Houssine Chetto and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Houssine Chetto
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (49 download)
Download or read book L'ordonnancement dans les systèmes de contrôle temps-réel à contraintes strictes written by Houssine Chetto and published by . This book was released on 1990 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans les applications de contrôle de procédé industriel, le système informatique doit exécuter des tâches en respectant des échéances. Ces tâches sont en général périodiques excepté dans des situations de perturbations ou des tâches supplémentaires dites sporadiques peuvent demander à s'exécuter. Dans la première partie de cette thèse, nous étudions le problème de l'ordonnancement de taches périodiques et sporadiques sur un système monoprocesseur. Nous donnons de nouvelles propriétés de l'algorithme EARLIEST DEADLINE puis décrivons, sous différentes hypothèses, un test d'acceptation optimal. Nous proposons un schéma d'ordonnancement dynamique efficace qui tient compte des surcouts. Nous nous intéressons ensuite au problème de la conception d'un système temps-réel exempt de fautes temporelles. Dans ce but, le mécanisme à échéance est utilisé pour fournir de la tolérance aux fautes, en associant à chaque tâche un processus primaire et un processus secondaire. Nous décrivons une stratégie d'ordonnancement optimale pour implémenter ce mécanisme. Sa principale caractéristique est son aptitude à réagir en fonction de l'état courant du système tel que l'échec d'un primaire.
Author : Francis Cottet
Publisher : Dunod
ISBN 13 : 2100528505
Total Pages : 570 pages
Book Rating : 4.1/5 (5 download)
Download or read book Systèmes temps réel de contrôle-commande written by Francis Cottet and published by Dunod. This book was released on 2005-04-05 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cet ouvrage présente une méthodologie complète et opérationnelle de développement des systèmes temps réel de contrôle-commande. Il permet au lecteur de : - connaître et mettre en oeuvre les méthodes de spécification et de conception ; - définir et paramétrer l'environnement d'exécution des systèmes ; - réaliser l'implémentation multitâche basée sur un noyau temps réel ; - développer l'application en C, Ada ou LabVIEWTM. L'ouvrage fait également le point sur les dernières avancées dans le domaine des systèmes temps réel multitâches. De nombreux exemples industriels sont traités, permettant de comprendre puis de mettre en oeuvre les principes de cette méthodologie de développement. Ce livre s'adresse à tous les ingénieurs ou techniciens concepteurs d'applications temps réel de contrôle-commande de procédés industriels. Il est également destiné aux étudiants en informatique industrielle.
Author : Patrick Martineau
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (49 download)
Download or read book ORDONNANCEMENT EN-LIGNE DANS LES SYSTEMES INFORMATIQUES TEMPS REEL written by Patrick Martineau and published by . This book was released on 1994 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: UN SYSTEME INFORMATIQUE DE CONTROLE TEMPS-REEL EST CHARGE DE L'ACQUISITION DE MESURES, LE CALCUL ET L'EMISSION DE COMMANDES AINSI QUE DE LA GESTION DES EVENEMENTS D'ALARME. ON PARLE D'INFORMATIQUE TEMPS-REEL LORSQUE CES ACTIVITES SONT CONTRAINTES A S'EXECUTER DANS UN LAPS DE TEMPS LIMITE. L'ORDONNANCEMENT DE L'EXECUTION DES PROGRAMMES INFORMATIQUES, APPELES TACHES, CONSTITUE UN PROBLEME COMPLEXE. POUR MODELISER LES CONTRAINTES DE TEMPS, UNE DATE CRITIQUE EST ASSOCIEE A CHAQUE TACHE. SI CELA EST POSSIBLE, L'EXECUTIF DOIT ACHEVER L'EXECUTION DE CHAQUE TACHE AVANT SA DATE CRITIQUE ; SINON, IL DOIT MINIMISER L'IMPACT DU DEPASSEMENT SUR LE SYSTEME CONTROLE. CETTE THESE PROPOSE DES SOLUTIONS A L'ORDONNANCEMENT DE TACHES DANS UN SYSTEME REPARTI, UN SYSTEME CONSTITUE DE PLUSIEURS PROCESSEURS ELOIGNES, RELIES ENTRE EUX PAR UN CANAL DE COMMUNICATION. L'APPROCHE PROPOSEE SE DECOMPOSE EN DEUX ETAPES: 1-L'ORDONNANCEMENT LOCAL: DANS UN PREMIER TEMPS, NOUS PROPOSONS UN ALGORITHME D'ORDONNANCEMENT MONOPROCESSEUR CAPABLE DE PRENDRE EN COMPTE CONTRAINTES DE PRECEDENCE, CONTRAINTES D'EXCLUSION MUTUELLE ET DE DECIDER EN-LIGNE S'IL PEUT GARANTIR L'EXECUTION AVANT ECHEANCE D'UNE CHARGE SUPPLEMENTAIRE. DANS LE CAS D'UN REJET, NOUS EVALUONS LES PERFORMANCES DE NOUVEAUX ALGORITHMES CONCUS POUR PRENDRE EN COMPTE DES SURCHARGES TEMPORAIRES DANS UN CONTEXTE DE PARTAGE DES RESSOURCES. CES ALGORITHMES CONSISTENT A ECARTER LES TACHES LES MOINS IMPORTANTES POUR L'ENVIRONNEMENT. 2-L'ORDONNANCEMENT REPARTI: UNE COOPERATION ENTRE LES DIFFERENTS NUDS DU SYSTEME PEUT ETRE IMPLEMENTEE POUR PERMETTRE L'EXECUTION DES TACHES PRECEDEMMENT ECARTEES. AINSI, LORSQU'UNE SURCHARGE LOCALE A UN NUD EST DETECTEE, LES TACHES LES MOINS IMPORTANTES POUR LE SYSTEME CONTROLE SONT ECARTEES. SI C'EST POSSIBLE, ELLES SERONT EXECUTEES SUR UN AUTRE NUD DU RESEAU. DANS LE CAS D'UNE SURCHARGE GLOBALE DU RESEAU, LES TACHES LES PLUS IMPORTANTES SONT EXECUTEES. L'ENSEMBLE DE CES TRAVAUX S'INTEGRE DANS LE PROJET EXORAT, EXECUTIF A ORDONNANCEMENT ADAPTATIF TOLERANT LES FAUTES, DESTINE A UN SYSTEME REPARTI
Author : CIKM 13 Conference Committee
Publisher :
ISBN 13 : 9781450326964
Total Pages : 938 pages
Book Rating : 4.3/5 (269 download)
Download or read book CIKM'13 written by CIKM 13 Conference Committee and published by . This book was released on 2013-10-27 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt: CIKM'13: 22nd ACM International Conference on Information and Knowledge Management Oct 27, 2013-Nov 01, 2013 San Francisco, USA. You can view more information about this proceeding and all of ACM�s other published conference proceedings from the ACM Digital Library: http://www.acm.org/dl.
Author : Max Giordano
Publisher : John Wiley & Sons
ISBN 13 : 1118587529
Total Pages : 389 pages
Book Rating : 4.1/5 (185 download)
Download or read book Product Life-Cycle Management written by Max Giordano and published by John Wiley & Sons. This book was released on 2012-12-17 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive view of the most recent major international research in the field of tolerancing, and is an excellent resource for anyone interested in Computer Aided Tolerating. It is organized into 4 parts. Part 1 focuses on the more general problems of tolerance analysis and synthesis, for tolerancing in mechanical design and manufacturing processes. Part 2 specifically highlights the simulation of assembly with defects, and the influence of tolerances on the quality of the assembly. Part 3 deals with measurement aspects, and quality control throughout the life cycle. Different measurement technologies and methods for estimating uncertainty are considered. In Part 4, different aspects of tolerancing and their interactions are explored, from the definition of functional requirement to measurement processes in a PLM approach.
Author : International Atomic Energy Agency
Publisher : International Atomic Energy Agency
ISBN 13 : 9789201063205
Total Pages : 72 pages
Book Rating : 4.0/5 (632 download)
Download or read book In-Vessel Melt Retention and Ex-Vessel Corium Cooling: IAEA Tecdoc No. 1906 written by International Atomic Energy Agency and published by International Atomic Energy Agency. This book was released on 2020-08-06 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication results from a technical meeting on phenomenology and technologies relevant to in-vessel melt retention (IVMR) and ex-vessel corium cooling (EVCC). The purpose of the publication is to capture the state of knowledge, at the time of that meeting, related to phenomenology and technologies as well as the challenges and pending issues relevant to IVMR and EVCC for water cooled reactors by summarizing the information provided by the meeting participants in a form useful to practitioners in Member States.
Author : Rodrigo Rey Rosa
Publisher : Yale University Press
ISBN 13 : 0300196105
Total Pages : 159 pages
Book Rating : 4.3/5 (1 download)
Download or read book The African Shore written by Rodrigo Rey Rosa and published by Yale University Press. This book was released on 2013-10-22 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published as La Orilla Africana. F&G Editores.
Author : International Union for Conservation of Nature and Natural Resources. Commission on Environmental Law
Publisher : IUCN
ISBN 13 : 9782831705248
Total Pages : 226 pages
Book Rating : 4.7/5 (52 download)
Download or read book Draft International Covenant on Environment and Development written by International Union for Conservation of Nature and Natural Resources. Commission on Environmental Law and published by IUCN. This book was released on 2000 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an updated edition of the 1995 version. In the mid-1980's, the IUCN CEL, in consultation with leading experts from around the world, began to respond to a need later identified by Agenda 21: the preparation of an integrated framework for international environmental law.
Author : Lucille Alice Suchman
Publisher : Cambridge University Press
ISBN 13 : 9780521337397
Total Pages : 224 pages
Book Rating : 4.3/5 (373 download)
Download or read book Plans and Situated Actions written by Lucille Alice Suchman and published by Cambridge University Press. This book was released on 1987-11-26 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: A compelling case for the re-examination of interface design models is presented by this text's assertion that human behavior is not taken into account in the planning model generally favored by artificial intelligence.
Author : Director Edmond J Safra Center for Ethics and Roy L Furman Professorship of Law Lawrence Lessig
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781537290904
Total Pages : 378 pages
Book Rating : 4.2/5 (99 download)
Download or read book Code written by Director Edmond J Safra Center for Ethics and Roy L Furman Professorship of Law Lawrence Lessig and published by Createspace Independent Publishing Platform. This book was released on 2016-08-31 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: There's a common belief that cyberspace cannot be regulated-that it is, in its very essence, immune from the government's (or anyone else's) control.Code argues that this belief is wrong. It is not in the nature of cyberspace to be unregulable; cyberspace has no "nature." It only has code-the software and hardware that make cyberspace what it is. That code can create a place of freedom-as the original architecture of the Net did-or a place of exquisitely oppressive control.If we miss this point, then we will miss how cyberspace is changing. Under the influence of commerce, cyberpsace is becoming a highly regulable space, where our behavior is much more tightly controlled than in real space.But that's not inevitable either. We can-we must-choose what kind of cyberspace we want and what freedoms we will guarantee. These choices are all about architecture: about what kind of code will govern cyberspace, and who will control it. In this realm, code is the most significant form of law, and it is up to lawyers, policymakers, and especially citizens to decide what values that code embodies.
Author :
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.3/5 (91 download)
Download or read book X/OPEN Portability Guide: Programming languages written by and published by . This book was released on 1987 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth L. McMillan
Publisher : Springer Science & Business Media
ISBN 13 : 146153190X
Total Pages : 202 pages
Book Rating : 4.4/5 (615 download)
Download or read book Symbolic Model Checking written by Kenneth L. McMillan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Formal verification means having a mathematical model of a system, a language for specifying desired properties of the system in a concise, comprehensible and unambiguous way, and a method of proof to verify that the specified properties are satisfied. When the method of proof is carried out substantially by machine, we speak of automatic verification. Symbolic Model Checking deals with methods of automatic verification as applied to computer hardware. The practical motivation for study in this area is the high and increasing cost of correcting design errors in VLSI technologies. There is a growing demand for design methodologies that can yield correct designs on the first fabrication run. Moreover, design errors that are discovered before fabrication can also be quite costly, in terms of engineering effort required to correct the error, and the resulting impact on development schedules. Aside from pure cost considerations, there is also a need on the theoretical side to provide a sound mathematical basis for the design of computer systems, especially in areas that have received little theoretical attention.
Author : Joseph Sifakis
Publisher :
ISBN 13 : 9781601986603
Total Pages : 84 pages
Book Rating : 4.9/5 (866 download)
Download or read book Rigorous System Design written by Joseph Sifakis and published by . This book was released on 2013-03-20 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deals with the formalization of the design of mixed hardware/software systems. It advocates rigorous system design as a model-based process leading from requirements to correct implementations and presents the current state of the art in system design, discusses its limitations and identifies possible avenues for overcoming them.
Author :
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (1 download)
Download or read book Water Saving in Agriculture written by and published by . This book was released on 2008 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul Graham
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596006624
Total Pages : 272 pages
Book Rating : 4.5/5 (96 download)
Download or read book Hackers & Painters written by Paul Graham and published by "O'Reilly Media, Inc.". This book was released on 2004-05-18 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author examines issues such as the rightness of web-based applications, the programming language renaissance, spam filtering, the Open Source Movement, Internet startups and more. He also tells important stories about the kinds of people behind technical innovations, revealing their character and their craft.
