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Discrete Mechanics
by Jean-Paul CaltagironeThis book presents the fundamental principles of mechanics to re-establish the equations of Discrete Mechanics. It introduces physics and thermodynamics associated to the physical modeling. The development and the complementarity of sciences lead to review today the old concepts that were the basis for the development of continuum mechanics. The differential geometry is used to review the conservation laws of mechanics. For instance, this formalism requires a different location of vector and scalar quantities in space. The equations of Discrete Mechanics form a system of equations where the Helmholtz-Hodge decomposition plays an important role.
Discrete Mechanics, Geometric Integration and Lie–Butcher Series: Dmgilbs, Madrid, May 2015 (Springer Proceedings in Mathematics & Statistics #267)
by Kurusch Ebrahimi-Fard María Barbero LiñánThis volume resulted from presentations given at the international “Brainstorming Workshop on New Developments in Discrete Mechanics, Geometric Integration and Lie–Butcher Series”, that took place at the Instituto de Ciencias Matemáticas (ICMAT) in Madrid, Spain. It combines overview and research articles on recent and ongoing developments, as well as new research directions. Why geometric numerical integration? In their article of the same title Arieh Iserles and Reinout Quispel, two renowned experts in numerical analysis of differential equations, provide a compelling answer to this question. After this introductory chapter a collection of high-quality research articles aim at exploring recent and ongoing developments, as well as new research directions in the areas of geometric integration methods for differential equations, nonlinear systems interconnections, and discrete mechanics. One of the highlights is the unfolding of modern algebraic and combinatorial structures common to those topics, which give rise to fruitful interactions between theoretical as well as applied and computational perspectives. The volume is aimed at researchers and graduate students interested in theoretical and computational problems in geometric integration theory, nonlinear control theory, and discrete mechanics.
Discrete Taylor Transform and Inverse Transform
by Alireza Baghai-WadjiRevolutionize the calculation of mixed derivatives with this groundbreaking text Transform and inverse transform techniques, such as the Fourier transform and the Laplace transform, enable scientists and engineers to conduct research and design in transformed domains where the work is simpler, after which the results can be converted back into the real domain where they can be applied or actualized. This latter stage in the process, the inverse transform, ordinarily poses significant challenges. New transform/inverse transform techniques carry extraordinary potential to produce revolutionary new science and engineering solutions. Discrete Taylor Transform and Inverse Transform presents the groundbreaking discovery of a new transform technique. Placing a novel emphasis on the “position variable” and “derivative operator” as main actors, the Discrete Taylor Transform and Inverse Transform (D-TTIT) will facilitate the calculation of mixed derivatives of multivariate functions to any desired order. The result promises to create new applications not only in its allied fields of quantum physics and quantum engineering, but potentially much more widely. Readers will also find: Discussion of possible applications in electrical engineering, acoustics, photonics, and many more Analysis of functions depending on one, two, or three independent variables Tools for theoreticians and practitioners to design their own algorithms for solving specific boundary-value problems Discrete Taylor Transform and Inverse Transform is ideal for any scientific or engineering professional looking to understand a cutting-edge research and design tool.
Discrete-Time and Discrete-Space Dynamical Systems (Communications and Control Engineering)
by Kuize Zhang Lijun Zhang Lihua XieDiscrete-Time and Discrete-Space Dynamical Systems provides a systematic characterization of the similarities and differences of several types of discrete-time and discrete-space dynamical systems, including:Boolean control networks;nondeterministic finite-transition systems;finite automata;labelled Petri nets; andcellular automata.The book's perspective is primarily based on topological properties though it also employs semitensor-product and graph-theoretic methods where appropriate. It presents a series of fundamental results: invertibility, observability, detectability, reversiblity, etc., with applications to systems biology.Academic researchers with backgrounds in applied mathematics, engineering or computer science and practising engineers working with discrete-time and discrete-space systems will find this book a helpful source of new understanding for this increasingly important class of systems. The basic results to be found within are of fundamental importance for further study of related problems such as automated synthesis and safety control in cyber-physical systems using formal methods.
Discrete-Time Control System Design with Applications
by C. A. Rabbath N. LéchevinThis unique book provides a bridge between digital control theory and vehicle guidance and control practice. It presents practical techniques of digital redesign and direct discrete-time design suitable for a real-time implementation of controllers and guidance laws at multiple rates and with and computational techniques. The theory of digital control is given as theorems, lemmas, and propositions. The design of the digital guidance and control systems is illustrated by means of step-by-step procedures, algorithms, and case studies. The systems proposed are applied to realistic models of unmanned systems and missiles, and digital implementation.
Discrete-Time Sliding Mode Protocols for Discrete Multi-Agent System (Studies in Systems, Decision and Control #303)
by Keyurkumar Patel Axaykumar MehtaThis book presents few novel Discrete-time Sliding Mode (DSM) protocols for leader-following consensus of Discrete Multi-Agent Systems (DMASs). The protocols intend to achieve the consensus in finite time steps and also tackle the corresponding uncertainties. Based on the communication graph topology of multi-agent systems, the protocols are divided into two groups, namely (i) Fixed graph topology and (ii) Switching graph topology. The coverage begins with the design of Discrete-time Sliding Mode (DSM) protocols using Gao’s reaching law and power rate reaching law for the synchronization of linear DMASs by using the exchange of information between the agents and the leader to achieve a common goal. Then, in a subsequent chapter, analysis for no. of fixed-time steps required for the leader-following consensus is presented. The book also includes chapters on the design of Discrete-time Higher-order Sliding Mode (DHSM) protocols, Event-triggered DSM protocols for the leader-following consensus of DMASs. A chapter is also included on the design of DHSM protocols for leader-following consensus of heterogeneous DMASs.Special emphasis is given to the practical implementation of each proposed DSM protocol for achieving leader-following consensus of helicopter systems, flexible joint robotic arms, and rigid joint robotic arms. This book offers a ready reference guide for graduate students and researchers working in the areas of control, automation, and communication engineering, and in particular the cooperative control of multi-agent systems. It will also benefit professional engineers working to design and implement robust controllers for power systems, autonomous vehicles, military surveillance, smartgrids/microgrids, vehicle traffic management, robotic teams, and aerial robots.
Discrete-Time Stochastic Sliding Mode Control Using Functional Observation (Lecture Notes in Control and Information Sciences #483)
by Satnesh Singh S. JanardhananThis book extrapolates many of the concepts that are well defined for discrete-time deterministic sliding-mode control for use with discrete-time stochastic systems. It details sliding-function designs for various categories of linear time-invariant systems and its application for control. The resulting sliding-mode control addresses robustness issues and the functional-observer approach reduces the observer order substantially. Sliding-mode control (SMC) is designed for discrete-time stochastic systems, extended so that states lie within a specified band, and able to deal with incomplete information. Functional-observer-based SMC is designed for various clauses of stochastic systems: discrete-time; discrete-time with delay; state time-delayed; and those with parametric uncertainty. Stability considerations arising because of parametric uncertainty are taken into account and, where necessary, the effects of unmatched uncertainties mitigated. A simulation example is used to explain the use of the functional-observer approach to SMC design. Discrete-Time Stochastic Sliding-Mode Control Using Functional Observation will interest all researchers working in sliding-mode control and will be of particular assistance to graduate students in understanding the changes in design philosophy that arise when changing from continuous- to discrete-time systems. It helps to pave the way for further progress in applications of discrete-time SMC.
Discretization and Implicit Mapping Dynamics
by Albert C. J. LuoThis unique book presents the discretization of continuous systems and implicit mapping dynamics of periodic motions to chaos in continuous nonlinear systems. The stability and bifurcation theory of fixed points in discrete nonlinear dynamical systems is reviewed, and the explicit and implicit maps of continuous dynamical systems are developed through the single-step and multi-step discretizations. The implicit dynamics of period-m solutions in discrete nonlinear systems are discussed. The book also offers a generalized approach to finding analytical and numerical solutions of stable and unstable periodic flows to chaos in nonlinear systems with/without time-delay. The bifurcation trees of periodic motions to chaos in the Duffing oscillator are shown as a sample problem, while the discrete Fourier series of periodic motions and chaos are also presented. The book offers a valuable resource for university students, professors, researchers and engineers in the fields of applied mathematics, physics, mechanics, control systems, and engineering.
Discrimination of Mobile Supramolecular Chirality: Acylative Molecular Transformations by Organocatalysis (Springer Theses)
by Ayumi ImayoshiThis book proposes a novel concept for molecular recognition. In the field of asymmetric synthesis approaching the mature science, asymmetric discrimination and catalytic synthesis of chiral supramolecules still stand as unsolved problems. The extreme difficulty in asymmetric synthesis of such supramolecules may result from the mobile nature of supramolecular chirality. Here the author shows the first highly enantioselective synthesis of mechanically chiral supramolecules. In the presence of a chiral organocatalyst, a mechanically planar chiral rotaxane was obtained with p erfect enantiopurity (>99% ee) with an excellent selectivity. The dynamic and flexible recognition mode enabled asymmetric synthesis of supramolecules with conformational flexibility and mobility. The recognition mode of the catalyst is a contrast to the traditional static and rigid recognition mode of the typical conventional catalysts. The concept of dynamic molecular recognition will be adopted as a novel concept in a wide range of fields beyond the field of organic chemistry, including material chemistry, biochemistry, and medicinal chemistry.
Discriminative Learning in Biometrics
by David Zhang Yong Xu Wangmeng ZuoThis monograph describes the latest advances in discriminative learning methods for biometric recognition. Specifically, it focuses on three representative categories of methods: sparse representation-based classification, metric learning, and discriminative feature representation, together with their applications in palmprint authentication, face recognition and multi-biometrics. The ideas, algorithms, experimental evaluation and underlying rationales are also provided for a better understanding of these methods. Lastly, it discusses several promising research directions in the field of discriminative biometric recognition.
Disease Causing Microbes
by Jaishree PaulThis book provides knowledge on the diversity of disease-causing microbes including bacteria, viruses, fungi and protozoans—the major diseases they cause and the environmental factors that influence the occurrence, transmission and spread of microbes along with the epidemiological factors determining the occurrence of disease. The book mainly covers a broad spectrum of diseases infecting different organs of human and describes the microorganisms involved in the process. The diseases caused by parasites and helminths are also included in the text since the infective stages of parasites as well as helminths are microscopic in nature and need to be distinguished from bacterial infections by appropriate diagnosis.
The Disease Detectives: Unraveling How Viruses Go Viral
by Kris Hundley University of FloridaThe experts at UF’s Emerging Pathogens Institute make it their mission answering baffling questions such as how is a pig-borne disease transmitted in a Muslim country, what kinds of parasites do Florida ticks carry and how has a cholera strain from Nepal evolved in Haiti? Gatorbytes highlight for the intellectually curious the world of innovative research happening at the University of Florida. Written by professional journalists, Gatorbytes feature the top research and preeminence work being conducted at the University of Florida, written in a way that’s easy to understand.
Disease Dispersion and Impact in the Indian Ocean World (Palgrave Series in Indian Ocean World Studies)
by Gwyn Campbell Eva-Maria KnollThis volume views the study of disease as essential to understanding the key historical developments underpinning the foundation of contemporary Indian Ocean World (IOW) societies. The interplay between disease and climatic conditions, natural and manmade crises and disasters, human migration and trade in the IOW reveals a wide range of perceptions about disease etiologies and epidemiologies, and debates over the origin, dispersion and impact of disease form a central focus in these essays. Incorporating a wide scope of academic and scientific angles including history, social and medical anthropology, archaeology, epidemiology and paleopathology, this collection focuses on diseases that spread across time, space and cultures. It scrutinizes disease as an object, and engages with the subjectivities of afflicted inhabitants of, and travellers to, the IOW.
Disease Resistance in Crop Plants: Molecular, Genetic and Genomic Perspectives
by Shabir Hussain WaniHuman population is escalating at an enormous pace and is estimated to reach 9.7 billion by 2050. As a result, there will be an increase in demand for agricultural production by 60–110% between the years 2005 and 2050 at the global level; the number will be even more drastic in the developing world. Pathogens, animals, and weeds are altogether responsible for between 20 to 40 % of global agricultural productivity decrease. As such, managing disease development in plants continues to be a major strategy to ensure adequate food supply for the world. Accordingly, both the public and private sectors are moving to harness the tools and paradigms that promise resistance against pests and diseases. While the next generation of disease resistance research is progressing, maximum disease resistance traits are expected to be polygenic in nature and controlled by selective genes positioned at putative quantitative trait loci (QTLs). It has also been realized that sources of resistance are generally found in wild relatives or cultivars of lesser agronomic significance. However, introgression of disease resistance traits into commercial crop varieties typically involves many generations of backcrossing to transmit a promising genotype. Molecular marker-assisted breeding (MAB) has been found to facilitate the pre-selection of traits even prior to their expression. To date, researchers have utilized disease resistance genes (R-genes) in different crops including cereals, pulses, and oilseeds and other economically important plants, to improve productivity. Interestingly, comparison of different R genes that empower plants to resist an array of pathogens has led to the realization that the proteins encoded by these genes have numerous features in common. The above observation therefore suggests that plants may have co-evolved signal transduction pathways to adopt resistance against a wide range of divergent pathogens. A better understanding of the molecular mechanisms necessary for pathogen identification and a thorough dissection of the cellular responses to biotic stresses will certainly open new vistas for sustainable crop disease management. This book summarizes the recent advances in molecular and genetic techniques that have been successfully applied to impart disease resistance for plants and crops. It integrates the contributions from plant scientists targeting disease resistance mechanisms using molecular, genetic, and genomic approaches. This collection therefore serves as a reference source for scientists, academicians and post graduate students interested in or are actively engaged in dissecting disease resistance in plants using advanced genetic tools.
Diseases and Disorders of Finfish in Cage Culture
by David Bruno L Lim Patrick WooThis new edition is a timely update on important advances in the understanding of infectious diseases of finfish. The content has been significantly updated to reflect current knowledge and the developments in the fish production industry, including the dramatic increases in production in the Asia-Pacific region. An important resource for aquaculturalists, fish health consultants and fish pathologists.
Diseases and Disorders of Finfish in Cage Culture
by Patrick T.K. Woo David W. BrunoThis new edition is a timely update on important advances in the understanding of infectious diseases of finfish. The content has been significantly updated to reflect current knowledge and the developments in the fish production industry, including the dramatic increases in production in the Asia-Pacific region. An important resource for aquaculturalists, fish health consultants and fish pathologists.
Diseases and Parasites of the Eastern Oyster, Crassostrea Virginica, in Chesapeake Bay: An Illustrated Reference Guide
by Christopher F. Dungan Ryan B. Carnegie Carol B. MccolloughThis publication supports the development of oyster aquaculture industries and restored populations of wild oysters in the eastern United States. Both aquaculture and efforts to restore the eastern oyster, Crassostrea virginica, have expanded in recent years, increasing the need for a broader understanding of oyster health. <p><p>This volume addresses that need by providing detailed information on the histological presentation of diseases and parasites affecting eastern oysters.
Diseases at the Wildlife - Livestock Interface: Research and Perspectives in a Changing World (Wildlife Research Monographs #3)
by Joaquín Vicente Kurt C. Vercauteren Christian GortázarShared diseases among wildlife, livestock and humans, often transboundary, are relevant to public health and global economy, as being highlighted currently relative to the global COVID19 pandemic. Diseases at these interfaces also impact the conservation of biodiversity and must be considered when managing wildlife. While wildlife and domestic livestock have coexisted in dynamic systems for thousands of years, spillover disease risks are higher today than in the past due to global patterns of increasing close contact and interactions among wildlife, livestock and humans in the context of complex, diverse and numerous circumstances. Multidisciplinary studies of animal interfaces, especially those involving wildlife, therefore, must be brought to the forefront so that knowledge gaps can be realized and filled to inform managers and policy makers.In the first part of the book authors illustrate and discuss ecological and epidemiological concepts related to the interfaces, with a vision towards socio-ecological system health. In addition, the history of past animal interfaces provides the necessary perspective to focus current questions, better understand present situations, and informs how we can best approach the future. The second part discusses the myriad of similar and differing wildlife- livestock interfaces found around the world from a regional point of view. The third part focuses on how to assess the spatial and temporal overlap between livestock and wildlife, and authors present new technical innovations about how inter-transmissions between wild and domestic populations can be quantified. An overview of main modeling approaches available to quantify multi-host disease transmission at the wildlife/livestock interface, illustrated with specific-case studies, is also presented. Finally, the need for interdisciplinary approaches and a dedicated thematic field to approach the wildlife/livestock interfaces and create opportunities to promote wildlife–livestock coexistence is emphasized. The concluding chapter presents perspectives and directions to better understanding disease dynamics at the wildlife/livestock interface, global change and implications for the future. The changing distribution of interfaces, ongoing human and environmental changes (e. g. climate warming, changes in animal production systems, etc.) and their likely impacts and consequences for the interfaces and disease transmission processes are all discussed.
Diseases in Legume Crops: Next Generation Breeding Approaches for Resistant Legume Crops
by Uday Chand Jha Harsh Nayyar Kamal Dev Sharma Eric J Bishop von Wettberg Prashant Singh Kadambot H. M. SiddiqueThe edited book covers all major and minor diseases in grain legumes (chickpea, pigeon pea, lentil, mung bean, common bean, groundnut, and soybean) and forages legumes (including Medicago, rice bean, and faba bean) and their control measures by using various breeding approaches.Grain legumes are versatile nutritionally rich crops, and are one of the important components of global food security. However, grain legumes are severely challenged by various major and emerging minor diseases causing serious limitations in grain yield and production. Thus, to minimize the negative impact of the growing yield loss caused by these diseases, several approaches have been developed and embraced. This book covers all the latest development in genetics, breeding, genomics, and molecular biology tools for combating various major and minor emerging diseases in all the grain legumes from expert authors. Chapters in this title contain all the relevant illustrations and statistical data detailing the present scenario and identifying the gap for meeting the future demand for sustaining global protein security by developing disease-resistant cultivars. This book is of interest to graduate and postgraduate students, researchers, and policymakers to understand the impacts of various diseases on yield loss in legume crops.
Diseases of Annual Edible Oilseed Crops: Volume II: Rapeseed-Mustard and Sesame Diseases
by S. J. KolteThese three volumes deal with the diseases of primarily cultivated annual edible oilseeds, i.e., peanut (groundnut), rapeseed-mustard, sesame, sunflower, safflower, and nigerseed. It is reliably believed that this book will be of great help not only to students, reseachers, and teachers but also to agricultural extension workers, field workers, seed growers, and seed crop inspectors, and subsequently to the farmers, to achieve the over-all objective of increase in oilseed crop yields throughout the world.
Diseases of Annual Edible Oilseed Crops: Volume III: Sunflower, Safflower, and Nigerseed Diseases
by S. J. KolteThese three volumes deal with the diseases of primarily cultivated annual edible oilseeds, i.e., peanut (groundnut), rapeseed-mustard, sesame, sunflower, safflower, and nigerseed. It is reliably believed that this book will be of great help not only to students, reseachers, and teachers but also to agricultural extension workers, field workers, seed growers, and seed crop inspectors, and subsequently to the farmers, to achieve the over-all objective of increase in oilseed crop yields throughout the world.
Diseases of Annual Edible Oilseed Crops: Volume I: Peanut Diseases
by S. J. KolteThese three volumes deal with the diseases of primarily cultivated annual edible oilseeds, i.e., peanut (groundnut), rapeseed-mustard, sesame, sunflower, safflower, and nigerseed. It is reliably believed that this book will be of great help not only to students, reseachers, and teachers but also to agricultural extension workers, field workers, seed growers, and seed crop inspectors, and subsequently to the farmers, to achieve the over-all objective of increase in oilseed crop yields throughout the world.
Diseases of Edible Oilseed Crops: Volume Ii: Rapeseed-mustard And Sesame Diseases
by Chirantan ChattopadhyayDiseases of Edible Oilseed Crops presents an unprecedentedly thorough collection of information on the diseases of cultivated annual oilseed crops, including peanut, rapeseed-mustard, sesame, soybean, sunflower, and safflower. Written by internationally recognized researchers, this book covers and integrates worldwide literature in the field up to
Diseases of Field Crops and their Management
by S. Parthasarathy G. Thiribhuvanamala K. PrabakarThe book entitled Diseases of Field Crops and their Management provides most recent information about major diseases of cultivation field crops, their symptoms, pathogen characters, epidemiology, and management. In order to make the book all in one, the importance of major diseases has also been dealt with in brief. Note: T&F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.
Diseases of Field Crops: Diagnostics and Management
by Vaibhav Kumar Singh Jameel Akhtar Krishna Pratap SinghThis edited book is a compilation of the chapters on the recent advances made in the field of disease management in various field crops. It covers host resistance, regulatory mechanism as well as non-chemical methods and computer-based applications in disease management. Molecular marker assisted selection, proteomic approaches, CRISPR-Cas mediated technology to improve food quality and minimize negative public health impact associated with crop diseases is also discussed. Plant diseases continue to be major challenge to global crop production, especially field crops, inflicting not only crop yield losses to farmers, but also decline quality as well as nutritional value leading threat to global food security. According to FAO statistics, there is a need of 70% steady increase in agricultural production to fulfil the food requirements of 9.1 billion populations by 2050, and annual global crop losses due to pests and diseases have been estimated to be about 30%. Therefore, the book aims at bringing out a comprehensive information on field crop diseases, plant disease detection and diagnosis, monitoring, forecasting/forewarning, and management. The book is very useful for students, teachers, researchers, planners/administrators, and also the end users at national and international level.