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Author: Wael Khansa
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Author: Wael Khansa
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Author: René David
Publisher: Springer Science & Business Media
ISBN: 3642106692
Category : Technology & Engineering
Languages : en
Pages : 568
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Book Description
Petri Nets were introduced and still successfully used to analyze and model discrete event systems especially in engineering and computer sciences such as in automatic control. Recently this discrete Petri Nets formalism was successfully extended to continuous and hybrid systems. This monograph presents a well written and clearly organized introduction in the standard methods of Petri Nets with the aim to reach an accurate understanding of continuous and hybrid Petri Nets, while preserving the consistency of basic concepts throughout the book. The book is a monograph as well as a didactic tool which is easy to understand due to many simple solved examples and detailed figures. In its second completely reworked edition various sections, concepts and recently developed algorithms are added as well as additional examples/exercises.
Author: Philippe Declerck
Publisher: John Wiley & Sons
ISBN: 1118578627
Category : Mathematics
Languages : en
Pages : 91
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Book Description
This book concerns the use of dioid algebra as (max, +) algebra to treat the synchronization of tasks expressed by the maximum of the ends of the tasks conditioning the beginning of another task – a criterion of linear programming. A classical example is the departure time of a train which should wait for the arrival of other trains in order to allow for the changeover of passengers. The content focuses on the modeling of a class of dynamic systems usually called “discrete event systems” where the timing of the events is crucial. Events are viewed as sudden changes in a process which is, essentially, a man-made system, such as automated manufacturing lines or transportation systems. Its main advantage is its formalism which allows us to clearly describe complex notions and the possibilities to transpose theoretical results between dioids and practical applications.
Author: Wael Khansa
Publisher:
ISBN:
Category :
Languages : fr
Pages : 190
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Book Description
Nous montrons dans ce mémoire que parmi les extensions existantes des réseaux de Petri, aucune ne possède la puissance de spécification suffisante pour modéliser et analyser des systèmes à événements discrets à contraintes de temps de séjour minimum et maximum nécessitant des synchronisations sous obligation (cas par exemple des industries de traitement chimique). Nous sommes ainsi amenés à proposer un nouveau modèle temporel permettant de représenter et d'analyser de tels systèmes, dans lequel, des intervalles de temps sont associés aux places, que nous appelons: réseau de Petri p-temporel (p-RdP). La définition d'un nouvel outil nécessite l'établissement de méthodes permettant d'analyser ses propriétés. Nous définissons tout d'abord les propriétés fortes qu'il convient d'extraire (vivacité, finitude des marquages, vivacité de marques,...). Puis, le pouvoir de spécification de cet outil sera comparé à celui d'autres modèles de réseaux de Petri. Nous fournissons des méthodes d'analyse énumérative permettant d'étudier le comportement et de vérifier les propriétés des systèmes modélisés. Ensuite, une approche d'analyse structurelle est établie afin d'étudier les fonctionnements stationnaires et par conséquent les performances des systèmes modélisés. Par ailleurs, les systèmes peuvent être soumis à des perturbations. Il est alors intéressant de trouver des contrôles robustes qui peuvent absorber des telles perturbations. La connaissance des marges sur les instants de tir des transitions peut être un moyen de caractériser la robustesse. L'étude de ces marges est faite d'abord pour les réseaux temporisés puis pour le modèle p-temporel.
Author: Michel Diaz
Publisher: John Wiley & Sons
ISBN: 1118623053
Category : Mathematics
Languages : en
Pages : 456
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Book Description
A Petri net is a mathematical representation of a network. This book first introduces the basic models including time and stochastic extensions, in particular place-transition and high level Petri nets. Their modeling and design capabilities are illustrated by a set of representations of interest in operating and communication systems. The volume then addresses the related verification problems and proposes corresponding solutions by introducing the main notions needed to fully understand the behavior and properties behind Petri nets. Particular attention is devoted to how systems can be fully represented and analyzed in terms of their behavioral, time, and stochastic aspects by using the same formal approach and semantic basis. Finally, illustrative examples are presented in the important fields of interoperability in telecommunication services, programming languages, multimedia architectures, manufacturing systems, and communication protocols.
Author: Jetty Kleijn
Publisher: Springer
ISBN: 354073094X
Category : Computers
Languages : en
Pages : 525
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Book Description
This book constitutes the refereed proceedings of the 28th International Conference on Applications and Theory of Petri Nets and Other Models of Concurrency, ICATPN 2007, held in Siedlce, Poland. It covers all current issues on research and development in the area of Petri nets and modeling of concurrent systems including system design and verification, structure and behavior of nets, logical and algebraic calculi, and standardization of nets.
Author: Luis M. Camarinha-Matos
Publisher: Springer
ISBN: 0387353909
Category : Computers
Languages : en
Pages : 631
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Book Description
Towards Intelligent Manufacturing Systems This book contains the selected articles from the third International Conference on lriformation Technology for Balanced Automation Systems in Manufacturing. A rapid evolution in a number of areas leading to Intelligent Manufacturing Systems has been observ@d in recent years. Significant efforts are being spent on this research area, namely in terms of international cooperative projects, like the IMS initiative, the USA NIIIP (National Industrial Information Infrastructure Protocols) project, or the European ESPRIT programme, and a growing number of conferences and workshops. The importance of the Information and Communication Technologies in the manufacturing area is weIl established today. The proper combination of these areas with the socio-organizational issues, supported by intelligent tools, is however, more difficult to achieve, and fully justifies the need for the BASYS conference and the publication of the series of books on Balanced Automation SyStems. The first book of this series focused on the topic of "Architectures and Design Methods", was published in 1995. Mahy of the fundamental aspects of manufacturing, and some preliminary results were presented in this book. Among others, the topics included: Modeling and design of FMS, Enterprise modeling and organization, Decision support systems in manufacturing, Anthropocentric systems, CAE/CAD/CAM integration, Scheduling systems, Extended enterprises, Multi agent system architecture, Balanced flexibility, Intelligent supervision systems, Shop-floor control, and Computer aided process planning.
Author: Fabrice Kordon
Publisher: Springer Science & Business Media
ISBN: 3642019234
Category : Computers
Languages : en
Pages : 295
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Book Description
This book constitutes the proceedings of the 14th Ada-Europe International Conference on Reliable Software Technologies, Ada-Europe 2009, held in Brest, France, on June 8-12, 2009. The 19 papers presented were carefully reviewed and selected from numerous submissions. Topics of interest to the conference are methods and techniques for software development and maintenance; software architecture; enabling technology; software quality; theory and practice of high-integrity systems; embedded systems; mainstream and emerging applications; ada language and technology; ada and education.
Author: F. G. Filip
Publisher: Pergamon
ISBN:
Category : Computers
Languages : en
Pages : 614
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Book Description
This volume contains the papers presented at the 9th IFAC Symposium on Large Scale Systems: Theory and Applications (LSS 2001), held in Bucharest, Romania, 18-20 July 2001. Its aim was to address the control aspects of those industrial, economic, social and environmental systems whose characteristics are high dimensionality, non-linearity and uncertainty, associated with a multitude of structural forms, with intense and time critical information exchange and efficient co-ordination. The symposium covered all major aspects of large scale, complex systems including methodological aspects, technological solutions and practical applications. methodological aspects and those devoted to practical applications. Several invited sessions were organised, including papers from leading world experts. The papers are ordered in accordance with the technical sessions. Session topics include methodology and application fields, traditional to this Symposium series. Topics covered include the following: modelling and model reduction; decentralized control and estimation; hierarchical control; intelligent and fuzzy control; nonlinear dynamics in complex systems; complex systems theory and analysis; water, gas, power systems; large scale CIMs and production planning and scheduling; communication and information systems; transportation systems; modelling and control of wastewater treatment plants and societal systems modelling, planning and management. technical programme, such as decision support systems and risk and governance in large-scale systems. More recent issues, such as risk management and human decision in large-scale systems, were well received by the symposium participants and provide an extra dimension to volume.
Author: Gaston Lefranc
Publisher: Elsevier
ISBN: 9780080444840
Category : Business & Economics
Languages : en
Pages : 440
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Book Description
