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Etude De Linfluence Des Incertitudes Sur Le Comportement Dun Systeme Dynamique Non Entier De Premiere Espece
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Book Synopsis Etude de l'influence des incertitudes sur le comportement d'un système dynamique non entier de première espèce by : Roy Abi Zeid Daou
Download or read book Etude de l'influence des incertitudes sur le comportement d'un système dynamique non entier de première espèce written by Roy Abi Zeid Daou and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le sujet de cette thèse concerne l'étude de l'influence des incertitudes paramétriques et structurelles sur le comportement d'un SDNE de 1ière espèce défini par l'association d'une fractance et d'un élément I (au sens bond-graph), et ce quel que soit le domaine de la Physique. Le mémoire de thèse comporte deux parties. La première, composée de trois chapitres, présente un caractère théorique et méthodologique, elle s'inscrit dans le cadre de la théorie des systèmes. La seconde comporte deux chapitres qui présentent un caractère applicatif, l'objectif étant d'illustrer dans les domaines de la mécanique et de l'électronique la démarche présentée dans la première partie.
Book Synopsis Influence des incertitudes sur les systèmes dynamiques fractionnaires by : Roy Abi Zeid Daou
Download or read book Influence des incertitudes sur les systèmes dynamiques fractionnaires written by Roy Abi Zeid Daou and published by Presses Academiques Francophones. This book was released on 2012-07 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les travaux presentes dans ce livre s'inscrivent dans la thematique de la derivation fractionnaire, le contexte d'etude etant plus particulierement defini par: -en theorie des systemes, l'etude d'un Systeme a Derivees Non Entieres (SDNE) de 1ere espece, ainsi que la synthese d'un integrateur d'ordre non entier borne en frequence; -en automatique, l'analyse de l'influence des incertitudes parametriques et structurelles (inherentes a la realisation d'un integrateur d'ordre non entier) sur la robustesse du degre de stabilite et sur la robustesse des performances; -en robotique, l'application au controle des vibrations, notamment en isolation vibratoire avec la mise en defaut de l'interdependance masse-amortissement;
Book Synopsis Systèmes dynamiques et incertitudes by : Franziska Schmidt
Download or read book Systèmes dynamiques et incertitudes written by Franziska Schmidt and published by . This book was released on 2009 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les structures de génie civil présentent souvent des incertitudes, qui peuvent être de différentes origines et de différentes formes. Nous abordons dans cette thèse quelques aspects de ces incertitudes. Tout d’abord, nous étudions l’influence de conditions initiales et de paramètres incertains dans les mouvements non réguliers. Ceci passe par la définition d’une matrice de variation tangente. Cette étude est appliquée à quelques cas particuliers, dont la chute de blocs le long d’une pente et un oscillateur linéaire à impacts. Ensuite, l’impact d’une sollicitation incertaine sous forme de bruit blanc est étudié à l’aide de l’équation de Fokker-Planck. Celle-ci est résolue de façon numérique avec la méthode des différences finies afin d’obtenir la densité de probabilité des états du système. En particulier, cela est réalisé pour les oscillateurs linéaire, de Duffing, avec friction et le système dynamique du pompage énergétique. Une troisième partie se consacre à l’étude des exposants de Lyapunov. Dans un premier temps, nous les étudions en temps fini. En effet, ils dépendent alors du temps, des conditions initiales, de l’espace, de la divergence initiale... et ils peuvent alors être différents de leur valeur à l’infini. Ensuite, nous testons une méthode innovante pour calculer ces exposants, en utilisant la matrice de divergence. Elle est appliquée à divers systèmes dynamiques, ce qui permet d’évaluer son efficacité. Finalement, l’incertitude sur la loi de comportement est étudiée pour le système dynamique du pompage énergétique. Diverses lois de comportement, élastiques, élastoplastiques parfaits et élastoplastiques avec endommagement, sont appliquées et la robustesse du phénomène de transfert d’énergie est estimée.
Book Synopsis PROMOTION DE LA SANTE ET AUTONOMISATION DANS LE CONTEXTE AFRICAIN by : David HouŽto
Download or read book PROMOTION DE LA SANTE ET AUTONOMISATION DANS LE CONTEXTE AFRICAIN written by David HouŽto and published by Lulu.com. This book was released on 2014-02-26 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le terme promotion de la santé en Afrique, près de 30 ans après l'adoption de la Charte d'Ottawa, continue d'avoir des connotations complètement hors du sens que lui confère cette charte. Cela n'est pas étonnant quand on sait que la notion de santé dans ce contexte africain équivaut à la lutte contre la maladie à travers les soins de santé dispensés par des professionnels de la santé dans des formations sanitaires et les hôpitaux. L'évolution que connait le continent depuis quelques décennies est de donner un peu plus de place à la communauté à travers les relais communautaires dans une participation communautaire vidée de son contenu, car le pouvoir n'est jamais passé entre les mains des communautés.C'est au vu de tout ceci que le présent ouvrage à sa raison d'être pour expliquer les fondements de l'autonomisation communautaire et de la promotion de la santé avec leur importance pour la région africaine en proie aux mauvais indicateurs de santé comparativement aux autres régions du monde.
Book Synopsis Dynamique Non-linéaire Et Le Chaos by :
Download or read book Dynamique Non-linéaire Et Le Chaos written by and published by . This book was released on 1993 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Symmetry written by Hermann Weyl and published by Princeton University Press. This book was released on 2015-07-06 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Symmetry is a classic study of symmetry in mathematics, the sciences, nature, and art from one of the twentieth century's greatest mathematicians. Hermann Weyl explores the concept of symmetry beginning with the idea that it represents a harmony of proportions, and gradually departs to examine its more abstract varieties and manifestations—as bilateral, translatory, rotational, ornamental, and crystallographic. Weyl investigates the general abstract mathematical idea underlying all these special forms, using a wealth of illustrations as support. Symmetry is a work of seminal relevance that explores the great variety of applications and importance of symmetry.
Book Synopsis Politics, Property and Production in the West African Sahel by : Tor Arve Benjaminsen
Download or read book Politics, Property and Production in the West African Sahel written by Tor Arve Benjaminsen and published by Nordic Africa Institute. This book was released on 2001 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Through a number of case studies from the West African Sahel, this book links and explores natural resources management from the perspectives of politics, property and production.
Author :Food and Agriculture Organization of the United Nations Publisher :Fao Technical Guidelines for R ISBN 13 : Total Pages :96 pages Book Rating :4.:/5 (318 download)
Book Synopsis Fisheries Management by : Food and Agriculture Organization of the United Nations
Download or read book Fisheries Management written by Food and Agriculture Organization of the United Nations and published by Fao Technical Guidelines for R. This book was released on 2008 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: "These guidelines have been produced to supplement as an addition to the FAO Technical Guidelines for Responsible Fisheries no. 4, Suppl. 2 entitled Fisheries management".
Book Synopsis Readings on Color: The philosophy of color by : Alex Byrne
Download or read book Readings on Color: The philosophy of color written by Alex Byrne and published by MIT Press. This book was released on 1997 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Black Skin, White Masks by : Frantz Fanon
Download or read book Black Skin, White Masks written by Frantz Fanon and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Black Skin, White Masks is a classic, devastating account of the dehumanising effects of colonisation experienced by black subjects living in a white world. First published in English in 1967, this book provides an unsurpassed study of the psychology of racism using scientific analysis and poetic grace.Franz Fanon identifies a devastating pathology at the heart of Western culture, a denial of difference, that persists to this day. A major influence on civil rights, anti-colonial, and black consciousness movements around the world, his writings speak to all who continue the struggle for political and cultural liberation.With an introduction by Paul Gilroy, author of There Ain't No Black in the Union Jack.
Download or read book Climate and Food Security written by and published by Int. Rice Res. Inst.. This book was released on 1989 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food security and agricultural research; Climatic variability and crop yields; Climatic vulnerability of major food crops; Climatic variability and factors of agricultural production; Climate modeling and climate change; Social and economic implications of climate-food interaction; Strategies for coping with climatic fluctuation and change.
Book Synopsis Fashionable Nonsense by : Alan Sokal
Download or read book Fashionable Nonsense written by Alan Sokal and published by Picador. This book was released on 2014-01-14 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1996 physicist Alan Sokal published an essay in Social Text--an influential academic journal of cultural studies--touting the deep similarities between quantum gravitational theory and postmodern philosophy. Soon thereafter, the essay was revealed as a brilliant parody, a catalog of nonsense written in the cutting-edge but impenetrable lingo of postmodern theorists. The event sparked a furious debate in academic circles and made the headlines of newspapers in the U.S. and abroad. In Fashionable Nonsense: Postmodern Intellectuals' Abuse of Science, Sokal and his fellow physicist Jean Bricmont expand from where the hoax left off. In a delightfully witty and clear voice, the two thoughtfully and thoroughly dismantle the pseudo-scientific writings of some of the most fashionable French and American intellectuals. More generally, they challenge the widespread notion that scientific theories are mere "narrations" or social constructions.
Book Synopsis Madness and Social Representations by : Denise Jodelet
Download or read book Madness and Social Representations written by Denise Jodelet and published by Univ of California Press. This book was released on 1991-01-01 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: A striking account of a colony for the mentally ill that forces a reconsideration of madness in society. What happens when the mentally ill are not isolated from society but are instead welcomed into it and invited to take a place in the fabric of the community? Are fear and rejection replaced by the understanding and sympathy often engendered by familiarity? Or are the barriers between the sane and the mad only strengthened? We have experienced a taste of this scenario in the U.S. in the last decade with the new emphasis on de-institutionalization, but Denise Jodelet takes us to an extraordinary community in France where the mentally ill have assumed a visible and prominent role for more than seventy years. The small French town of Ainay-le-Ch�teau and its environs are the site of a "family colony" for men, established in 1900. Here the patients ("lodgers") live with ordinary families ("foster parents"), hold jobs, and are free to move about the countryside. Jodelet's chronicle of daily life in the colony is made rich and vivid by extensive ethnographic material as she unravels a complex set of relationships, ultimately finding that while some of the barriers between the "other" and the larger society have been overcome, new ones have arisen in their place. This unique social experiment provides invaluable social and cultural insights, illuminating many fundamental issues in psychology, psychiatry, and sociology.
Book Synopsis Quantum Mechanics, Volume 3 by : Claude Cohen-Tannoudji
Download or read book Quantum Mechanics, Volume 3 written by Claude Cohen-Tannoudji and published by John Wiley & Sons. This book was released on 2019-12-16 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.
Book Synopsis Complexity Theory and the Philosophy of Education by : Mark Mason
Download or read book Complexity Theory and the Philosophy of Education written by Mark Mason and published by John Wiley & Sons. This book was released on 2009-02-23 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of scholarly essays, Complexity Theory and thePhilosophy of Education provides an accessible theoreticalintroduction to the topic of complexity theory while consideringits broader implications for educational change. Explains the contributions of complexity theory to philosophyof education, curriculum, and educational research Brings together new research by an international team ofcontributors Debates issues ranging from the culture of curriculum, to theimplications of work of key philosophers such as Foucault and JohnDewey for educational change Demonstrates how social scientists and social and educationpolicy makers are drawing on complexity theory to answer questionssuch as: why is it that education decision-makers are so resistantto change; how does change in education happen; and what does ittake to make these changes sustainable? Considers changes in use of complexity theory; developedprincipally in the fields of physics, biology, chemistry, andeconomics, and now being applied more broadly to the socialsciences and to the study of education
Book Synopsis 2nd Pan-African Symposium on the Sustainable Use of Natural Resources in Africa by : Bihini won wa Musiti
Download or read book 2nd Pan-African Symposium on the Sustainable Use of Natural Resources in Africa written by Bihini won wa Musiti and published by IUCN. This book was released on 2003 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This bilingual publication results from a four-day symposium aimed at capturing the general directions and analytical issues that characterize approaches to sustainable use in Africa. The papers included in this work are organized under four major headings: modes of use, devolution, scale issues and external issues. Authors explore these themes through the use of case studies and the description of specific regional experiences. External issues are further explored in a series of commissioned policy papers which have also been included.
Book Synopsis A Ricardian Analysis of the Impact of Climate Change on African Cropland by : Pradeep Kurukulasuriya
Download or read book A Ricardian Analysis of the Impact of Climate Change on African Cropland written by Pradeep Kurukulasuriya and published by World Bank Publications. This book was released on 2012 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examines the impact of climate change on cropland in Africa. It is based on a survey of more than 9,000 farmers in 11 countries: Burkina Faso, Cameroon, Egypt, Ethiopia, Ghana, Kenya, Niger, Senegal, South Africa, Zambia, and Zimbabwe. The study uses a Ricardian cross-sectional approach in which net revenue is regressed on climate, water flow, soil, and economic variables. The results show that net revenues fall as precipitation falls or as temperatures warm across all the surveyed farms. In addition to examining all farms together, the study examined dryland and irrigated farms separately. Dryland farms are especially climate sensitive. Irrigated farms have a positive immediate response to warming because they are located in relatively cool parts of Africa. The study also examined some simple climate scenarios to see how Africa would respond to climate change. These uniform scenarios assume that only one aspect of climate changes and the change is uniform across all of Africa. In addition, the study examined three climate change scenarios from Atmospheric Oceanic General Circulation Models. These scenarios predicted changes in climate in each country over time. Not all countries are equally vulnerable to climate change. First, the climate scenarios predict different temperature and precipitation changes in each country. Second, it is also important whether a country is already hot and dry. Third, the extent to which farms are irrigated is also important.
