Download or read book Dynamique Non lin aire 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 Biped Locomotion written by Miomir Vukobratovic and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here for the first time in one book is a comprehensive and systematic approach to the dynamic modeling and control of biped locomotion robots. A survey is included of various approaches to the control of biped robots, and a new approach to the control of biped systems based on a complete dynamic model is presented in detail. The stability of complete biped system is presented for the first time as a highly nonlinear dynamic system. Also included is new software for the synthesis of a dynamically stable walk for arbitrary biped systems, presented here for the first time. A survey of various realizations of biped systems and numerous numerical examples are given. The reader is given a deep insight into the entire area of biped locomotion. The book covers all relevant approaches to the subject and gives the most complete account to date of dynamic modeling, control and realizations of biped systems.

Download or read book Applications of Systems Thinking and Soft Operations Research in Managing Complexity written by Anthony J. Masys and published by Springer. This book was released on 2015-09-14 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book captures current trends and developments in the field of systems thinking and soft operations research which can be applied to solve today's problems of dynamic complexity and interdependency. Such ‘wicked problems’ and messes are seemingly intractable problems characterized as value-laden, ambiguous, and unstable, that resist being tamed by classical problem solving. Actions and interventions associated with this complex problem space can have highly unpredictable and unintended consequences. Examples of such complex problems include health care reform, global climate change, transnational serious and organized crime, terrorism, homeland security, human security, disaster management, and humanitarian aid. Moving towards the development of solutions to these complex problem spaces depends on the lens we use to examine them and how we frame the problem. It will be shown that systems thinking and soft operations research has had great success in contributing to the management of complexity.

Download or read book Chemical Instabilities Applications in Chemistry Engineering Geology and Materials Science written by G. Nicolis and published by Springer. This book was released on 1983-12-31 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The General Theory of Homogenization written by Luc Tartar and published by Springer Science & Business Media. This book was released on 2009-12-03 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Homogenization is not about periodicity, or Gamma-convergence, but about understanding which effective equations to use at macroscopic level, knowing which partial differential equations govern mesoscopic levels, without using probabilities (which destroy physical reality); instead, one uses various topologies of weak type, the G-convergence of Sergio Spagnolo, the H-convergence of François Murat and the author, and some responsible for the appearance of nonlocal effects, which many theories in continuum mechanics or physics guessed wrongly. For a better understanding of 20th century science, new mathematical tools must be introduced, like the author’s H-measures, variants by Patrick Gérard, and others yet to be discovered.

Download or read book Nonsmooth Mechanics written by Bernard Brogliato and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thank you for opening the second edition of this monograph, which is devoted to the study of a class of nonsmooth dynamical systems of the general form: ::i; = g(x,u) (0. 1) f(x, t) 2: 0 where x E JRn is the system's state vector, u E JRm is the vector of inputs, and the function f (-, . ) represents a unilateral constraint that is imposed on the state. More precisely, we shall restrict ourselves to a subclass of such systems, namely mechanical systems subject to unilateral constraints on the position, whose dynamical equations may be in a first instance written as: ii= g(q,q,u) (0. 2) f(q, t) 2: 0 where q E JRn is the vector of generalized coordinates of the system and u is an in put (or controller) that generally involves a state feedback loop, i. e. u= u(q, q, t, z), with z= Z(z, q, q, t) when the controller is a dynamic state feedback. Mechanical systems composed of rigid bodies interacting fall into this subclass. A general prop erty of systems as in (0. 1) and (0. 2) is that their solutions are nonsmooth (with respect to time): Nonsmoothness arises primarily from the occurence of impacts (or collisions, or percussions) in the dynamical behaviour, when the trajectories attain the surface f(x, t) = O. They are necessary to keep the trajectories within the subspace = {x : f(x, t) 2: O} of the system's state space.

Download or read book Terra 2008 written by Leslie Rainer and published by Getty Publications. This book was released on 2011-06-14 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.

Download or read book Siliceous Deposits of the Tethys and Pacific Regions written by James R. Hein and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of the biological origin of many siliceous deposits, their geochemical transformation in the marine environment, and their occurrence in many formations around the world, oceanographers, paleontologists, geologists, geochemists, and sedimentologists are working closely together to trace the evolution of such deposits. In this book, leading experts from all of these disciplines present new data on fine-grained deposits such as chert, primarily of the Tethys region but also of the Pacific. Much of the information presented here was gathered recently in coordinated international research projects and is made available in English for the first time.

Download or read book Historical Archaeologies of Transhumance across Europe written by Eugene Costello and published by Routledge. This book was released on 2018-03-05 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transhumance is a form of pastoralism that has been practised around the world since animals were first domesticated. Such seasonal movements have formed an important aspect of many European farming systems for several thousand years, although they have declined markedly since the nineteenth century. Ethnographers and geographers have long been involved in recording transhumant practices, and in the last two decades archaeologists have started to add a new material dimension to the subject. This volume brings together recent advances in the study of European transhumance during historical times, from Sweden to Spain, Romania to Ireland, and beyond that even Newfoundland. While the focus is on the archaeology of seasonal sites used by shepherds and cowherds, the contributions exhibit a high degree of interdisciplinarity. Documentary, cartographic, ethnographic and palaeoecological evidence all play a part in the examination of seasonal movement and settlement in medieval and post-medieval landscapes. Notwithstanding the obvious diversity across Europe in terms of livestock, distances travelled and socio-economic context, an extended introduction to the volume shows that cross-cutting themes are now emerging, including mobility, gendered herding, collective land-use, the agency of non-elite people and competition for grazing and markets. The book will appeal not only to archaeologists, but to historians, geographers, ethnographers, palaeoecologists and anyone interested in rural lifeways across Europe.

Download or read book Inelastic Analysis of Structures under Variable Loads written by Dieter Weichert and published by Springer Science & Business Media. This book was released on 2001-11-30 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: The question whether a structure or a machine component can carry the applied loads, and with which margin of safety, or whether it will become unserviceable due to collapse or excessive inelastic deformations, has always been a major concern for civil and mechanical engineers. The development of methods to answer this technologically crucial question without analysing the evolution of the system under varying loads, has a long tradition that can be traced back even to the times of emerging mechanical sciences in the early 17th century. However, the scientific foundations of the theories underlying these methods, nowadays frequently called "direct", were established sporadically in the Thirties of the 20th century and systematically and rigorously in the Fifties. Further motivations for the development of direct analysis techniques in applied mechanics of solids and structures arise from the circumstance that in many engineering situations the external actions fluctuate according to time histories not a priori known except for some essential features, e.g. variation intervals. In such situations the critical events (or "limit states") to consider, besides plastic collapse, are incremental collapse (or "ratchetting") and alternating plastic yielding, namely lack of "shakedown". Non evolutionary, direct methods for ultimate limit state analysis of structures subjected to variably-repeated external actions are the objectives of most papers collected in this book, which also contains a few contributions on related topics.

Download or read book Sliding Mode Control In Engineering written by Wilfrid Perruquetti and published by CRC Press. This book was released on 2002-01-29 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides comprehensive coverage of the most recent developments in the theory of non-Archimedean pseudo-differential equations and its application to stochastics and mathematical physics--offering current methods of construction for stochastic processes in the field of p-adic numbers and related structures. Develops a new theory for parabolic equat

Download or read book Wastewater Treatment with Algae written by Yuk Shan Kwong and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together environmental scientists and engineers to discuss the development of new approaches and methodologies which utilize microalgae for biological wastewater treatment. The researchers report their recent findings on microalgal removal of nutrients, heavy metals and other organic pollutants from sewage and industrial effluents. The technologies discussed here include biosorption and bioaccumulation of heavy metals, cell immobilization of algae, and mathematical modelling of metal uptake by cells. This book is unique in that it takes a practical approach to the subject matter and is a useful reference both in and outside of the laboratory.

Download or read book Functional Approaches to Culture and Translation written by Dirk Delabastita and published by John Benjamins Publishing. This book was released on 2006-10-31 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains a generous selection of articles on translation by Professor José Lambert (K.U. Leuven). It traces the intellectual itinerary of their author, who started out as a French and Comparative Literature scholar some four decades ago trying to get a better grip on the problem of inter-literary contacts, and who soon became a key figure in the emergent discipline of Translation Studies, where he is widely known as an indefatigable promoter of descriptively oriented research. This collection shows how José Lambert has never stopped asking new questions about the crucial but often hidden role of language and translation in the world of today. It includes some of the author’s classic papers as well as a few lesser known ones that deserve wider circulation. The editors’ introduction and the bibliography complete this thought-provoking survey of the career of one of the most creative researchers in the field.

Download or read book Project Portfolios in Dynamic Environments written by Brian Hobbs and published by Project Management Institute. This book was released on 2012-05-01 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Project Portfolios in Dynamic Environments: Organizing for Uncertainty is a comprehensive report of research that addresses this important, rising issue. Authors Yvan Petit and Brian Hobbs present the results of their investigation in a report that significantly advances the theory and also offers tips for practice. Currently, those applying project portfolio management tend to focus on the selection, prioritization, and strategic alignment of projects. Little attention is afforded the potential disturbances to project portfolios such as new projects, terminated projects, delayed projects, incorrect planning due to high uncertainty, and changes in the external environment. Yet, these factors can have highly disruptive, even show-stopping influence. This research seeks to answer: How is uncertainty affecting project portfolios managed in dynamic environments?

Download or read book Human Exploitation and Biodiversity Conservation written by David L. Hawksworth and published by Springer Science & Business Media. This book was released on 2008-01-03 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a wide range of contributions addressing diverse aspects of biodiversity exploitation and conservation. These collectively provide a snapshot of ongoing action and state-of-the-art research, rather than a series of necessarily more superficial overviews. Examples presented here derive from studies in 17 countries including Africa, Asia, Europe, and North and South America. These reports will stimulate future work toward attaining a sustainable balance between the conservation and exploitation of biodiversity.

Download or read book Why International Organizations Hate Politics written by Marieke Louis and published by Routledge. This book was released on 2021-04-05 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building on the concept of depoliticization, this book provides a first systematic analysis of International Organizations (IO) apolitical claims. It shows that depoliticization sustains IO everyday activities while allowing them to remain engaged in politics, even when they pretend not to. Delving into the inner dynamics of global governance, this book develops an analytical framework on why IOs "hate" politics by bringing together practices and logics of depoliticization in a wide variety of historical, geographic and organizational contexts. With multiple case studies in the fields of labor rights and economic regulation, environmental protection, development and humanitarian aid, peacekeeping, among others this book shows that depoliticization is enacted in a series of overlapping, sometimes mundane, practices resulting from the complex interaction between professional habits, organizational cultures and individual tactics. By approaching the consequences of these practices in terms of logics, the book addresses the instrumental dimension of depoliticization without assuming that IO actors necessarily intend to depoliticize their action or global problems. For IO scholars and students, this book sheds new light on IO politics by clarifying one often taken-for-granted dimension of their everyday activities, precisely that of depoliticization. It will also be of interest to other researchers working in the fields of political science, international relations, international political sociology, international political economy, international public administration, history, law, sociology, anthropology and geography as well as IO practitioners.

Download or read book Agroecological Practices For Sustainable Agriculture Principles Applications And Making The Transition written by Alexander Wezel and published by World Scientific. This book was released on 2017-06-19 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Good agroecological practices are indispensable for the development of sustainable agriculture. In this book, principles, diversity and applications of agroecological practices for a range of systems are presented, transforming scientific research and participatory knowledge of production into practical application. It illustrates a broad range of research and teaching being used within the farming community to demonstrate best practice and current state-of-play within the field. Agroecological methods used in crop farming, grass-based livestock farming, fish production, and other complex farming systems are discussed. Conclusions are drawn from studies to provide an outlook on future trends of agroecological practices and on policies supporting implementation.Due to emphasis on real-life application, it is relevant not only to students of the agricultural sciences and public policy, but also to researchers, stakeholders and policy makers involved in the development of sustainable agriculture.