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Author: Sébastien Henry (auteur en productique).)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Le travail présenté dans ce mémoire de thèse apporte sa contribution à la synthèse de lois de commande en contexte incertain des systèmes automatisés de production. L'incertain est ici caractérisé d'une part par les variations imprévues des demandes client, mais également par les aléas de fonctionnement déclarés au niveau de la partie opérative. L'approche, localisée au niveau 1 du CIM, et en particulier au sein des modules de coordination des chaînes fonctionnelles, s'intègre au sein d'un système plus général de Supervision, Surveillance et Commande. L'approche se distingue en considérant la globalité du processus qui mène à la reconfiguration des lois de commande. En effet, elle propose non seulement une méthode de modélisation de la partie opérative utilisant un formalisme particulièrement adapté à la complexité des procédés considérés mais aussi une technique de synthèse de lois de commande basée sur un mécanisme de recherche de chemins dans un graphe. La modélisation proposée, proche de celle utilisée en planification automatique est basée sur un ensemble d'opérations qui décrivent la dynamique des chaînes fonctionnelles et leurs effets sur le flux de produits tout en prenant en considération les contraintes sécuritaires et environnementales associées. Toute l'originalité du mécanisme de synthèse proposé réside dans le compromis réalisé entre la complexité du graphe manipulé et les performances de la solution obtenue. Un exemple d'application basé sur un processus manufacturier réel, la plate-forme SAPHIR du Laboratoire d'Automatique de Grenoble, et sur l'atelier logiciel développé sur la base du mécanisme de synthèse proposé illustre les apports de notre approche.
Author: Sébastien Henry (auteur en productique).)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Le travail présenté dans ce mémoire de thèse apporte sa contribution à la synthèse de lois de commande en contexte incertain des systèmes automatisés de production. L'incertain est ici caractérisé d'une part par les variations imprévues des demandes client, mais également par les aléas de fonctionnement déclarés au niveau de la partie opérative. L'approche, localisée au niveau 1 du CIM, et en particulier au sein des modules de coordination des chaînes fonctionnelles, s'intègre au sein d'un système plus général de Supervision, Surveillance et Commande. L'approche se distingue en considérant la globalité du processus qui mène à la reconfiguration des lois de commande. En effet, elle propose non seulement une méthode de modélisation de la partie opérative utilisant un formalisme particulièrement adapté à la complexité des procédés considérés mais aussi une technique de synthèse de lois de commande basée sur un mécanisme de recherche de chemins dans un graphe. La modélisation proposée, proche de celle utilisée en planification automatique est basée sur un ensemble d'opérations qui décrivent la dynamique des chaînes fonctionnelles et leurs effets sur le flux de produits tout en prenant en considération les contraintes sécuritaires et environnementales associées. Toute l'originalité du mécanisme de synthèse proposé réside dans le compromis réalisé entre la complexité du graphe manipulé et les performances de la solution obtenue. Un exemple d'application basé sur un processus manufacturier réel, la plate-forme SAPHIR du Laboratoire d'Automatique de Grenoble, et sur l'atelier logiciel développé sur la base du mécanisme de synthèse proposé illustre les apports de notre approche.
Author: Roy MacLeod
Publisher: Springer Science & Business Media
ISBN: 1402054904
Category : Science
Languages : en
Pages : 292
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Book Description
This book represents a first considered attempt to study the factors that conditioned industrial chemistry for war in 1914-18. Taking a comparative perspective, it reflects on the experience of France, Germany, Austria, Russia, Britain, Italy and Russia, and points to significant similarities and differences. It looks at changing patterns in the organisation of industry, and at the emerging symbiosis between science, industry and the military.
Author: Aditya Johri
Publisher: Cambridge University Press
ISBN: 1107785855
Category : Technology & Engineering
Languages : en
Pages : 1124
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Book Description
The Cambridge Handbook of Engineering Education Research is the critical reference source for the growing field of engineering education research, featuring the work of world luminaries writing to define and inform this emerging field. The Handbook draws extensively on contemporary research in the learning sciences, examining how technology affects learners and learning environments, and the role of social context in learning. Since a landmark issue of the Journal of Engineering Education (2005), in which senior scholars argued for a stronger theoretical and empirically driven agenda, engineering education has quickly emerged as a research-driven field increasing in both theoretical and empirical work drawing on many social science disciplines, disciplinary engineering knowledge, and computing. The Handbook is based on the research agenda from a series of interdisciplinary colloquia funded by the US National Science Foundation and published in the Journal of Engineering Education in October 2006.
Author: Unesco
Publisher: UNESCO
ISBN: 9231041568
Category : Technology & Engineering
Languages : en
Pages : 392
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Book Description
This report reviews engineering's importance to human, economic, social and cultural development and in addressing the UN Millennium Development Goals. Engineering tends to be viewed as a national issue, but engineering knowledge, companies, conferences and journals, all demonstrate that it is as international as science. The report reviews the role of engineering in development, and covers issues including poverty reduction, sustainable development, climate change mitigation and adaptation. It presents the various fields of engineering around the world and is intended to identify issues and challenges facing engineering, promote better understanding of engineering and its role, and highlight ways of making engineering more attractive to young people, especially women.--Publisher's description.
Author: International Centre for Engineering Education
Publisher: UNESCO Publishing
ISBN: 9231004379
Category : Political Science
Languages : en
Pages : 183
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Book Description
The report highlights the crucial role of engineering in achieving each of the 17 SDGs. It shows how equal opportunities for all is key to ensuring an inclusive and gender balanced profession that can better respond to the shortage of engineers for implementing the SDGs. It provides a snapshot of the engineering innovations that are shaping our world, especially emerging technologies such as big data and AI, which are crucial for addressing the pressing challenges facing humankind and the planet. It analyses the transformation of engineering education and capacity-building at the dawn of the Fourth Industrial Revolution that will enable engineers to tackle the challenges ahead. It highlights the global effort needed to address the specific regional disparities, while summarizing the trends of engineering across the different regions of the world.
Author: Norbert Streitz
Publisher: Springer
ISBN: 3540727272
Category : Computers
Languages : en
Pages : 314
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Book Description
This book examines how the computer, as we currently know it, will be replaced by a new generation of technologies, moving computing off the desktop and ultimately integrating it with real world objects and everyday environments. It provides a unique combination of concepts, methods and prototypes of ubiquitous and pervasive computing reflecting the current interest in smart environments and ambient intelligence.
Author: Albert R. Jonsen
Publisher: Univ of California Press
ISBN: 9780520060630
Category : Philosophy
Languages : en
Pages : 438
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Book Description
In this engaging study, the authors put casuistry into its historical context, tracing the origin of moral reasoning in antiquity, its peak during the sixteenth and early seventeenth century, and its subsequent fall into disrepute from the mid-seventeenth century.
Author: Kaisa Kaukiainen
Publisher: BoD - Books on Demand
ISBN: 9523590154
Category : Literary Criticism
Languages : en
Pages : 546
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Book Description
The essays in this edited volume, written in English and French, tackle the intriguing problems of fear and safety by analysing their various meanings and manifestations in literature and other narrative media. The articles bring forth new, cross-cultural interpretations on fear and safety through examining what kinds of genre-specific means of world-making narratives use to express these two affectivities. The articles also show how important it is to study these themes in order to understand challenges in times of global threats, such as the climate crisis. The main themes of the book are approached from various theoretical perspectives as related to their literary and cultural representations. Recent trends in research, such as affect and risk theory, serve as the basis for the discussion. The articles in the volume also draw from disciplines such as gender studies and trauma studies to examine the threats posed by collective fears and aggression on individuals' lives and propose ways of coping with fear. These themes are addressed also in articles analysing new adaptations of old myths that retell stories of the past. Many of the articles in the volume discuss apocalyptic and dystopian narratives that currently permeate the entire cultural landscape. Dystopian narratives do not only deal with future threats, such as totalitarianism, technocracy, or environmental disasters, but also suggest alternative ways of being and new hopes in the form of political resistance.
Author: Amin Maalouf
Publisher:
ISBN: 9788487104510
Category : Architecture
Languages : en
Pages : 139
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Book Description
Author: Jacques-Eric Bergez
Publisher: Springer
ISBN: 3030019535
Category : Technology & Engineering
Languages : en
Pages : 337
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Book Description
This Open Access book presents feedback from the ‘Territorial Agroecological Transition in Action’- TATA-BOX research project, which was devoted to these specific issues. The multidisciplinary and multi-organisation research team steered a four-year action-research process in two territories of France. It also presents: i) the key dimensions to be considered when dealing with agroecological transition: diversity of agriculture models, management of uncertainties, polycentric governance, autonomies, and role of actors’ networks; ii) an operational and original participatory process and associated boundary tools to support local stakeholders in shifting from a shared diagnosis to a shared action plan for transition, and in so doing developing mutual understanding and involvement; iii) an analysis of the main effects of the methodology on research organisation and on stakeholders’ development and application; iv) critical analysis and foresights on the main outcomes of TATA-BOX, provided by external researchers.
