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Books > Reference & Interdisciplinary > Communication studies > Information theory > Cybernetics & systems theory

Current Trends in Operator Theory and its Applications (Paperback, Softcover reprint of the original 1st ed. 2004): Joseph A... Current Trends in Operator Theory and its Applications (Paperback, Softcover reprint of the original 1st ed. 2004)
Joseph A Ball, J.William Helton, Martin Klaus, Leiba Rodman
R4,444 Discovery Miles 44 440 Ships in 10 - 15 working days

Many developments on the cutting edge of research in operator theory and its applications are reflected in this collection of original and review articles. Particular emphasis lies on highlighting the interplay between operator theory and applications from other areas, such as multi-dimensional systems and function theory of several complex variables, distributed parameter systems and control theory, mathematical physics, wavelets, and numerical analysis.

Perspectives on Software Requirements (Paperback, Softcover reprint of the original 1st ed. 2004): Julio Cesar Sampaio do Prado... Perspectives on Software Requirements (Paperback, Softcover reprint of the original 1st ed. 2004)
Julio Cesar Sampaio do Prado Leite, Jorge Horacio Doorn
R2,875 Discovery Miles 28 750 Ships in 10 - 15 working days

Perspectives On Software Requirements presents perspectives on several current approaches to software requirements. Each chapter addresses a specific problem where the authors summarize their experiences and results to produce well-fit and traceable requirements. Chapters highlight familiar issues with recent results and experiences, which are accompanied by chapters describing well-tuned new methods for specific domains.

A First Course in Information Theory (Paperback, Softcover reprint of the original 1st ed. 2002): Raymond W. Yeung A First Course in Information Theory (Paperback, Softcover reprint of the original 1st ed. 2002)
Raymond W. Yeung
R5,128 Discovery Miles 51 280 Ships in 10 - 15 working days

This book provides an up-to-date introduction to information theory. In addition to the classical topics discussed, it provides the first comprehensive treatment of the theory of I-Measure, network coding theory, Shannon and non-Shannon type information inequalities, and a relation between entropy and group theory. ITIP, a software package for proving information inequalities, is also included. With a large number of examples, illustrations, and original problems, this book is excellent as a textbook or reference book for a senior or graduate level course on the subject, as well as a reference for researchers in related fields.

Robust Stabilisation and H_ Problems (Paperback, Softcover reprint of the original 1st ed. 1999): Vlad Ionescu, Adrian-Mihail... Robust Stabilisation and H_ Problems (Paperback, Softcover reprint of the original 1st ed. 1999)
Vlad Ionescu, Adrian-Mihail Stoica
R1,499 Discovery Miles 14 990 Ships in 10 - 15 working days

OO It is a matter of general consensus that in the last decade the H _ optimization for robust control has dominated the research effort in control systems theory. Much attention has been paid equally to the mathematical instrumentation and the computational aspects. There are several excellent monographs that cover the standard topics in the area. Among the recent issues we have to cite here Linear Robust Control authored by Green and Limebeer (Prentice Hall 1995), Robust Controller Design Using Normalized Coprime Factor Plant Descriptions - by McFarlane and Glover (Springer Verlag 1989), Robust and Optimal Control - by Zhou, Doyle and Glover (Prentice Hall 1996). Thus, when the authors of the present monograph decided to start the work they were confronted with a very rich literature on the subject. However two reasons motivated their initiative. The first concerns the theory in which the whole development of the book was embedded. As is well known, there are several ways of approach oo ing H and robust control theory. Here we mention three relevant direc tions chronologically ordered: a) the first makes use of a generalization of the Beurling-Lax theorem to Krein spaces; b) the second makes use of a generalization of Nevanlinna-Pick interpolation theory and commutant lifting theorem; c) the third, and probably the most attractive from an el evate engineering viewpoint, is the two Riccati equations based approach which offers a complete solution in state space form."

Variation Principle in Informational Macrodynamics (Paperback, Softcover reprint of the original 1st ed. 2003): Vladimir S.... Variation Principle in Informational Macrodynamics (Paperback, Softcover reprint of the original 1st ed. 2003)
Vladimir S. Lerner
R2,870 Discovery Miles 28 700 Ships in 10 - 15 working days

Information Macrodynamics (IMD) belong to an interdisciplinary science that represents a new theoretical and computer-based methodology for a system informational descriptionand improvement,including various activities in such areas as thinking, intelligent processes, communications, management, and other nonphysical subjects with their mutual interactions, informational superimposition, and theinformation transferredbetweeninteractions. The IMD is based on the implementation of a single concept by a unique mathematical principle and formalism, rather than on an artificial combination of many arbitrary, auxiliary concepts and/or postulates and different mathematical subjects, such as the game, automata, catastrophe, logical operations theories, etc. This concept is explored mathematically using classical mathematics as calculus of variation and the probability theory, which are potent enough, without needing to developnew,specifiedmathematical systemicmethods. The formal IMD model automatically includes the related results from other fields, such as linear, nonlinear, collective and chaotic dynamics, stability theory, theory of information, physical analogies of classical and quantum mechanics, irreversible thermodynamics, andkinetics. The main IMD goal is to reveal the information regularities, mathematically expressed by the considered variation principle (VP), as a mathematical tool to extractthe regularities and define the model, whichdescribes theregularities. The IMD regularities and mechanisms are the results of the analytical solutions and are not retained by logical argumentation, rational introduction, and a reasonable discussion. The IMD's information computer modeling formalism includes a human being (as an observer, carrier and producer ofinformation), with a restoration of the model during the objectobservations.

Object-Oriented Computer Simulation of Discrete-Event Systems (Paperback, Softcover reprint of the original 1st ed. 1999):... Object-Oriented Computer Simulation of Discrete-Event Systems (Paperback, Softcover reprint of the original 1st ed. 1999)
Jerzy Tyszer
R6,309 Discovery Miles 63 090 Ships in 10 - 15 working days

Object-Oriented Computer Simulation of Discrete-Event Systems offers a comprehensive presentation of a wide repertoire of computer simulation techniques available to the modelers of dynamic systems. Unlike other books on simulation, this book includes a complete and balanced description of all essential issues relevant to computer simulation of discrete event systems, and it teaches simulation users how to design, program and exploit their own computer simulation models. In addition, it uses the object-oriented methodology throughout the book as its main programming platform. The reader is expected to have some background in the theory of probability and statistics and only a little programming experience in C++, as the book is not tied down to any particular simulation language. The book also provides 50 complete simulation problems to assist with writing such simulation programs. Object-Oriented Computer Simulation of Discrete-Event Systems demonstrates the basic and generic concepts used in computer simulation of discrete-event systems in a comprehensive, uniform and self-contained manner.

Three-Dimensional Modeling with Geoscientific Information Systems (Paperback, Softcover reprint of the original 1st ed. 1992):... Three-Dimensional Modeling with Geoscientific Information Systems (Paperback, Softcover reprint of the original 1st ed. 1992)
A.K. Turner
R1,578 Discovery Miles 15 780 Ships in 10 - 15 working days

A. K. TURNER Department of Geology and Geological Engineering Colorado School of Mines Golden, Colorado 80401 USA Geology deals with three-dimensional data. Geoscientists are concerned with three dimensional spatial observations, measurements, and explanations of a great variety of phenomena. The representation of three-dimensional data has always been a problem. Prior to computers, graphical displays involved specialized maps, cross-sections, fence diagrams, and geometrical constructions such as stereonets. All were designed to portray three-dimensional relationships on two-dimensional paper products, and all were time consuming to develop. Until recently, computers were of little assistance to three-dimensional data handling and representation problems. Memory was too expensive to handle the huge amounts of data required by three-dimensional assessments; computational speeds were too slow to perform the necessary calculations within a reasonable time; and graphical displays had too Iowa resolution or were much too expensive to produce useful visualizations. Much experience was gained with two-dimensional geographic information systems (GIS), which were applied to many land-use management and resource assessment problems. The two-dimensional GIS field matured rapidly in the late 1980's and became widely accepted. The advent of the modern computer workstation, with its enhanced memory and graphical capabilities at ever more affordable prices, has largely overcome these earlier constraints.

High Integrity Software (Paperback, Softcover reprint of the original 1st ed. 2001): Victor L. Winter, Sourav Bhattacharya High Integrity Software (Paperback, Softcover reprint of the original 1st ed. 2001)
Victor L. Winter, Sourav Bhattacharya
R4,363 Discovery Miles 43 630 Ships in 10 - 15 working days

Within 50 years computers could have capabilities rivaling that of the human brain. Effective utilization of such new technologies poses a significant challenge to the computer science community, which finds an ever increasing number of complex applications within its technological grasp. In addition to increased complexity, most, if not all, of these applications are also accompanied by an inherent increase in the consequences associated with their failure, resulting in the construction of increasingly high consequence complex systems. Systems that fall within this domain are beyond the ability to construct in a brute force manner. There are two major challenges in developing such systems: manage complexity and provide sufficient evidence that the system satisfies dependability constraints. Society is tacitly relying on the research community to solve these problems on a timetable satisfying the needs of industry. While impressive results have been obtained, the research community is still, to some extent, hamstrung by the lack of realistic case study problems against which to benchmark new techniques and approaches.The purpose of High Integrity Software is to explore a cross-section of some of the most promising areas of research in the construction of high consequence complex systems, for example, a case study involving the Bay Area Rapid Transit (BART) system. Because of its scope and complexity, the BART case study is being recognized by many in the formal methods community as one of the definitive case study problems, and as such provides a valuable insight into the challenges that must be faced in the upcoming years. High Integrity Software is suitable as a secondary text for a graduate level course, and as a reference for researchers and practitioners in industry.

Function and Regulation of Cellular Systems (Paperback, Softcover reprint of the original 1st ed. 2004): Andreas Deutsch,... Function and Regulation of Cellular Systems (Paperback, Softcover reprint of the original 1st ed. 2004)
Andreas Deutsch, Jonathan Howard, Martin Falcke, Walter Zimmermann
R2,928 Discovery Miles 29 280 Ships in 10 - 15 working days

Current biological research demands the extensive use of sophisticated mathematical methods and computer-aided analysis of experiments and data. This highly interdisciplinary volume focuses on structural, dynamical and functional aspects of cellular systems and presents corresponding experiments and mathematical models. The book may serve as an introduction for biologists, mathematicians and physicists to key questions in cellular systems which can be studied with mathematical models. Recent model approaches are presented with applications in cellular metabolism, intra- and intercellular signaling, cellular mechanics, network dynamics and pattern formation. In addition, applied issues such as tumor cell growth, dynamics of the immune system and biotechnology are included.

Neural Networks for Identification, Prediction and Control (Paperback, Softcover reprint of the original 1st ed. 1995): Duc T.... Neural Networks for Identification, Prediction and Control (Paperback, Softcover reprint of the original 1st ed. 1995)
Duc T. Pham, Xing Liu
R1,510 Discovery Miles 15 100 Ships in 10 - 15 working days

In recent years, there has been a growing interest in applying neural networks to dynamic systems identification (modelling), prediction and control. Neural networks are computing systems characterised by the ability to learn from examples rather than having to be programmed in a conventional sense. Their use enables the behaviour of complex systems to be modelled and predicted and accurate control to be achieved through training, without a priori information about the systems' structures or parameters. This book describes examples of applications of neural networks In modelling, prediction and control. The topics covered include identification of general linear and non-linear processes, forecasting of river levels, stock market prices and currency exchange rates, and control of a time-delayed plant and a two-joint robot. These applications employ the major types of neural networks and learning algorithms. The neural network types considered in detail are the muhilayer perceptron (MLP), the Elman and Jordan networks and the Group-Method-of-Data-Handling (GMDH) network. In addition, cerebellar-model-articulation-controller (CMAC) networks and neuromorphic fuzzy logic systems are also presented. The main learning algorithm adopted in the applications is the standard backpropagation (BP) algorithm. Widrow-Hoff learning, dynamic BP and evolutionary learning are also described.

Switching in Systems and Control (Paperback, Softcover reprint of the original 1st ed. 2003): Daniel Liberzon Switching in Systems and Control (Paperback, Softcover reprint of the original 1st ed. 2003)
Daniel Liberzon
R2,615 Discovery Miles 26 150 Ships in 10 - 15 working days

The theory of switched systems is related to the study of hybrid systems, which has gained attention from control theorists, computer scientists, and practicing engineers. This book examines switched systems from a control-theoretic perspective, focusing on stability analysis and control synthesis of systems that combine continuous dynamics with switching events. It includes a vast bibliography and a section of technical and historical notes.

Optimal Control of Random Sequences in Problems with Constraints (Paperback, Softcover reprint of the original 1st ed. 1997):... Optimal Control of Random Sequences in Problems with Constraints (Paperback, Softcover reprint of the original 1st ed. 1997)
A.B. Piunovskiy
R2,898 Discovery Miles 28 980 Ships in 10 - 15 working days

Controlled stochastic processes with discrete time form a very interest ing and meaningful field of research which attracts widespread attention. At the same time these processes are used for solving of many applied problems in the queueing theory, in mathematical economics. in the theory of controlled technical systems, etc. . In this connection, methods of the theory of controlled processes constitute the every day instrument of many specialists working in the areas mentioned. The present book is devoted to the rather new area, that is, to the optimal control theory with functional constraints. This theory is close to the theory of multicriteria optimization. The compromise between the mathematical rigor and the big number of meaningful examples makes the book attractive for professional mathematicians and for specialists who ap ply mathematical methods in different specific problems. Besides. the book contains setting of many new interesting problems for further invf'stigatioll. The book can form the basis of special courses in the theory of controlled stochastic processes for students and post-graduates specializing in the ap plied mathematics and in the control theory of complex systf'ms. The grounding of graduating students of mathematical department is sufficient for the perfect understanding of all the material. The book con tains the extensive Appendix where the necessary knowledge ill Borel spaces and in convex analysis is collected. All the meaningful examples can be also understood by readers who are not deeply grounded in mathematics.

Nonlinear and Robust Control of PDE Systems - Methods and Applications to Transport-Reaction Processes (Paperback, Softcover... Nonlinear and Robust Control of PDE Systems - Methods and Applications to Transport-Reaction Processes (Paperback, Softcover reprint of the original 1st ed. 2001)
Panagiotis D. Christofides
R2,867 Discovery Miles 28 670 Ships in 10 - 15 working days

The interest in control of nonlinear partial differential equation (PDE) sys tems has been triggered by the need to achieve tight distributed control of transport-reaction processes that exhibit highly nonlinear behavior and strong spatial variations. Drawing from recent advances in dynamics of PDE systems and nonlinear control theory, control of nonlinear PDEs has evolved into a very active research area of systems and control. This book the first of its kind- presents general methods for the synthesis of nonlinear and robust feedback controllers for broad classes of nonlinear PDE sys tems and illustrates their applications to transport-reaction processes of industrial interest. Specifically, our attention focuses on quasi-linear hyperbolic and parabolic PDE systems for which the manipulated inputs and measured and controlled outputs are distributed in space and bounded. We use geometric and Lyapunov-based control techniques to synthesize nonlinear and robust controllers that use a finite number of measurement sensors and control actuators to achieve stabilization of the closed-loop system, output track ing, and attenuation of the effect of model uncertainty. The controllers are successfully applied to numerous convection-reaction and diffusion-reaction processes, including a rapid thermal chemical vapor deposition reactor and a Czochralski crystal growth process. The book includes comparisons of the proposed nonlinear and robust control methods with other approaches and discussions of practical implementation issues.

VHDL'92 - The New Features of the VHDL Hardware Description Language (Paperback, Softcover reprint of the original 1st ed.... VHDL'92 - The New Features of the VHDL Hardware Description Language (Paperback, Softcover reprint of the original 1st ed. 1993)
Jean-Michel Berge, Alain Fonkoua, Serge Maginot, Jacques Rouillard
R1,504 Discovery Miles 15 040 Ships in 10 - 15 working days

An open process of restandardization, conducted by the IEEE, has led to the definitions of the new VHDL standard. The changes make VHDL safer, more portable, and more powerful. VHDL also becomes bigger and more complete. The canonical simulator of VHDL is enriched by new mechanisms, the predefined environment is more complete, and the syntax is more regular and flexible. Discrepancies and known bugs of VHDL'87 have been fixed. However, the new VHDL'92 is compatible with VHDL'87, with some minor exceptions. This book presents the new VHDL'92 for the VHDL designer. New features ar explained and classified. Examples are provided, each new feature is given a rationale and its impact on design methodology, and performance is analysed. Where appropriate, pitfalls and traps are explained. The VHDL designer will quickly be able to find the feature needed to evaluate the benefits it brings, to modify previous VHDL'87 code to make it more efficient, more portable, and more flexible. VHDL'92 is the essential update for all VHDL designers and managers involved in electronic design.

Fuzzy Model Identification for Control (Paperback, Softcover reprint of the original 1st ed. 2003): Janos Abonyi Fuzzy Model Identification for Control (Paperback, Softcover reprint of the original 1st ed. 2003)
Janos Abonyi
R2,871 Discovery Miles 28 710 Ships in 10 - 15 working days

This book presents new approaches to constructing fuzzy models for model-based control. Simulated examples and real-world applications from chemical and process engineering illustrate the main methods and techniques. Supporting MATLAB and Simulink files create a computational platform for exploration of the concepts and algorithms.

Proceedings of the International Conference on Linear Statistical Inference LINSTAT '93 (Paperback, Softcover reprint of... Proceedings of the International Conference on Linear Statistical Inference LINSTAT '93 (Paperback, Softcover reprint of the original 1st ed. 1994)
Tadeusz Calinski, Radoslaw Kala
R2,888 Discovery Miles 28 880 Ships in 10 - 15 working days

The International Conference on Linear Statistical Inference LINSTAT'93 was held in Poznan, Poland, from May 31 to June 4, 1993. The purpose of the confer ence was to enable scientists, from various countries, engaged in the diverse areas of statistical sciences and practice to meet together and exchange views and re sults related to the current research on linear statistical inference in its broadest sense. Thus, the conference programme included sessions on estimation, prediction and testing in linear models, on robustness of some relevant statistical methods, on estimation of variance components appearing in linear models, on certain gen eralizations to nonlinear models, on design and analysis of experiments, including optimality and comparison of linear experiments, and on some other topics related to linear statistical inference. Within the various sessions 22 invited papers and 37 contributed papers were presented, 12 of them as posters. The conference gathered 94 participants from eighteen countries of Europe, North America and Asia. There were 53 participants from abroad and 41 from Poland. The conference was the second of this type, devoted to linear statistical inference. The first was held in Poznan in June, 4-8, 1984. Both belong to the series of confer ences on mathematical statistics and probability theory organized under the auspices of the Committee of Mathematics of the Polish Academy of Sciences, due to the ini tiative and efforts of its Mathematical Statistics Section. In the years 1973-1993 there were held in Poland nineteen such conferences, some of them international."

Matrix Riccati Equations in Control and Systems Theory (Paperback, Softcover reprint of the original 1st ed. 2003): Hisham... Matrix Riccati Equations in Control and Systems Theory (Paperback, Softcover reprint of the original 1st ed. 2003)
Hisham Abou-Kandil, Gerhard Freiling, Vlad Ionescu, Gerhard Jank
R4,436 Discovery Miles 44 360 Ships in 10 - 15 working days

The aim of the book is to present the state of the art of the theory of symmetric (Hermitian) matrix Riccati equations and to contribute to the development of the theory of non-symmetric Riccati equations as well as to certain classes of coupled and generalized Riccati equations occurring in differential games and stochastic control. The volume offers a complete treatment of generalized and coupled Riccati equations. It deals with differential, discrete-time, algebraic or periodic symmetric and non-symmetric equations, with special emphasis on those equations appearing in control and systems theory. Extensions to Riccati theory allow to tackle robust control problems in a unified approach.

The book is intended to make available classical and recent results to engineers and mathematicians alike. It is accessible to graduate students in mathematics, applied mathematics, control engineering, physics or economics. Researchers working in any of the fields where Riccati equations are used can find the main results with the proper mathematical background.

Foundations of Deterministic and Stochastic Control (Paperback, Softcover reprint of the original 1st ed. 2002): Jon H. Davis Foundations of Deterministic and Stochastic Control (Paperback, Softcover reprint of the original 1st ed. 2002)
Jon H. Davis
R1,565 Discovery Miles 15 650 Ships in 10 - 15 working days

"This volume is a textbook on linear control systems with an emphasis on stochastic optimal control with solution methods using spectral factorization in line with the original approach of N. Wiener. Continuous-time and discrete-time versions are presented in parallel.... Two appendices introduce functional analytic concepts and probability theory, and there are 77 references and an index. The chapters (except for the last two) end with problems.... [T]he book presents in a clear way important concepts of control theory and can be used for teaching." -Zentralblatt Math "This is a textbook intended for use in courses on linear control and filtering and estimation on (advanced) levels. Its major purpose is an introduction to both deterministic and stochastic control and estimation. Topics are treated in both continuous time and discrete time versions.... Each chapter involves problems and exercises, and the book is supplemented by appendices, where fundamentals on Hilbert and Banach spaces, operator theory, and measure theoretic probability may be found. The book will be very useful for students, but also for a variety of specialists interested in deterministic and stochastic control and filtering." -Applications of Mathematics "The strength of the book under review lies in the choice of specialized topics it contains, which may not be found in this form elsewhere. Also, the first half would make a good standard course in linear control." -Journal of the Indian Institute of Science

Robust Modal Control with a Toolbox for Use with MATLAB (R) (Paperback, 2002 ed.): Jean-Francois Magni Robust Modal Control with a Toolbox for Use with MATLAB (R) (Paperback, 2002 ed.)
Jean-Francois Magni
R2,639 Discovery Miles 26 390 Ships in 10 - 15 working days

Robust Modal Control covers most classical multivariable modal control design techniques that were shown to be effective in practice, and in addition proposes several new tools. The proposed new tools include: minimum energy eigenvector selection, low order observer-based control design, conversion to observer-based controllers, a new multimodel design technique, and modal analysis. The text is accompanied by a CD-ROM containing MATLAB(r) software for the implementation of the proposed techniques. The software is in use in aeronautical industry and has proven to be effective and functional.
For more detail, please visit the author's webpage at http: //www.cert.fr/dcsd/idco/perso/Magni/booksandtb.html

Control and Modeling of Complex Systems - Cybernetics in the 21st Century Festschrift in Honor of Hidenori Kimura on the... Control and Modeling of Complex Systems - Cybernetics in the 21st Century Festschrift in Honor of Hidenori Kimura on the Occasion of his 60th Birthday (Paperback, Softcover reprint of the original 1st ed. 2003)
Koichi Hashimoto, Yutaka Yamamoto, Yasuaki Oishi
R2,896 Discovery Miles 28 960 Ships in 10 - 15 working days

Hidenori Kimura, renowned system and control theorist, turned 60 years of age in November, 2001. To celebrate this memorable occasion, his friends, collaborators, and former students gathered from all over the world and held a symposium in his honor on November 1 and 2, 2001, at the Sanjo Conference Hall at the University of Tokyo. Reflecting his current research interests, the symposium was entitled "Cybernetics in the 21st Century: Information and Complexity in Control Theory," and it drew nearly 150 attendees. There were twenty-five lectures, on which the present volume is based. Hidenori Kimura was born on November 3, 1941, in Tokyo, just prior to the outbreak of the Second World War. It is not hard to imagine, then, that his early days, like those of so many of his contemporaries, must have been difficult. Fortunately, the war ended in 1945, and his generation found itself thoroughly occupied with the rebuilding effort and with Japan's uphill journey in the last half-century. He entered the University of Tokyo in 1963, received a B. S. in 1965, an M. S. in 1967, and, in 1970, a Ph. D. degree for his dissertation "A Study of Differential Games. " After obtaining his doctorate, he joined the Department of Control En gineering at Osaka University as a research associate, and in 1973 he was promoted to an associate professor.

Open Control Networks - LonWorks/EIA 709 Technology (Paperback, Softcover reprint of the original 1st ed. 2001): Dietmar Loy,... Open Control Networks - LonWorks/EIA 709 Technology (Paperback, Softcover reprint of the original 1st ed. 2001)
Dietmar Loy, Dietmar Dietrich, Hans-Joerg Schweinzer
R4,382 Discovery Miles 43 820 Ships in 10 - 15 working days

Control networks span a wide range of application areas. These networks are put into action in the `Digital Home', industrial applications, commercial buildings, transportation systems, gas stations, security systems, and they are found in most instances where smart sensors and smart actuators are used to exchange information. The authors of this volume provide an overview of various control network protocols and discuss LonTalk (R) protocol, Neuron (R) chip, programming model, network structures, network management, interoperability between nodes, application profiles, development and maintenance tools, performance analysis, and standardization activities. Open Control Networks: LonWorks/EIA 709 Technology will be an important resource for advanced students of control systems and embedded systems, engineers designing distributed networks, systems designers and architects, and others developing smart buildings and intelligent transportation systems.

Dynamic Equations on Time Scales - An Introduction with Applications (Paperback, Softcover reprint of the original 1st ed.... Dynamic Equations on Time Scales - An Introduction with Applications (Paperback, Softcover reprint of the original 1st ed. 2001)
Martin Bohner, Allan Peterson
R1,571 Discovery Miles 15 710 Ships in 10 - 15 working days

On becoming familiar with difference equations and their close re lation to differential equations, I was in hopes that the theory of difference equations could be brought completely abreast with that for ordinary differential equations. [HUGH L. TURRITTIN, My Mathematical Expectations, Springer Lecture Notes 312 (page 10), 1973] A major task of mathematics today is to harmonize the continuous and the discrete, to include them in one comprehensive mathematics, and to eliminate obscurity from both. [E. T. BELL, Men of Mathematics, Simon and Schuster, New York (page 13/14), 1937] The theory of time scales, which has recently received a lot of attention, was introduced by Stefan Hilger in his PhD thesis [159] in 1988 (supervised by Bernd Aulbach) in order to unify continuous and discrete analysis. This book is an intro duction to the study of dynamic equations on time scales. Many results concerning differential equations carryover quite easily to corresponding results for difference equations, while other results seem to be completely different in nature from their continuous counterparts. The study of dynamic equations on time scales reveals such discrepancies, and helps avoid proving results twice, once for differential equa tions and once for difference equations. The general idea is to prove a result for a dynamic equation where the domain of the unknown function is a so-called time scale, which is an arbitrary nonempty closed subset of the reals.

Nonlinear Control Systems II (Paperback, Softcover reprint of the original 1st ed. 1999): Alberto Isidori Nonlinear Control Systems II (Paperback, Softcover reprint of the original 1st ed. 1999)
Alberto Isidori
R6,319 Discovery Miles 63 190 Ships in 10 - 15 working days

This eagerly awaited follow-up to Nonlinear Control Systems incorporates recent advances in the design of feedback laws, for the purpose of globally stabilizing nonlinear systems via state or output feedback. The author is one of the most prominent researchers in the field.

Modeling, Simulation, and Optimization of Integrated Circuits - Proceedings of a Conference held at the Mathematisches... Modeling, Simulation, and Optimization of Integrated Circuits - Proceedings of a Conference held at the Mathematisches Forschungsinstitut, Oberwolfach, November 25-December 1, 2001 (Paperback, Softcover reprint of the original 1st ed. 2003)
K Antreich, R. Bulirsch, A. Gilg, P. Rentrop
R2,898 Discovery Miles 28 980 Ships in 10 - 15 working days

In November 2001 the Mathematical Research Center at Oberwolfach, Germany, hosted the third Conference on Mathematical Models and Numerical Simulation in Electronic Industry. It brought together researchers in mathematics, electrical engineering and scientists working in industry.

The contributions to this volume try to bridge the gap between basic and applied mathematics, research in electrical engineering and the needs of industry.

Control Systems with Actuator Saturation - Analysis and Design (Paperback, Softcover reprint of the original 1st ed. 2001):... Control Systems with Actuator Saturation - Analysis and Design (Paperback, Softcover reprint of the original 1st ed. 2001)
Tingshu Hu, Zongli Lin
R2,908 Discovery Miles 29 080 Ships in 10 - 15 working days

Saturation nonlinearities are ubiquitous in engineering systems. In control systems, every physical actuator or sensor is subject to saturation owing to its maximum and minimum limits. A digital filter is subject to saturation if it is implemented in a finite word length format. Saturation nonlinearities are also purposely introduced into engineering systems such as control sys tems and neural network systems. Regardless of how saturation arises, the analysis and design of a system that contains saturation nonlinearities is an important problem. Not only is this problem theoretically challenging, but it is also practically imperative. This book intends to study control systems with actuator saturation in a systematic way. It will also present some related results on systems with state saturation or sensor saturation. Roughly speaking, there are two strategies for dealing with actuator sat uration. The first strategy is to neglect the saturation in the first stage of the control design process, and then to add some problem-specific schemes to deal with the adverse effects caused by saturation. These schemes, known as anti-windup schemes, are typically introduced using ad hoc modifications and extensive simulations. The basic idea behind these schemes is to intro duce additional feedbacks in such a way that the actuator stays properly within its limits. Most of these schemes lead to improved performance but poorly understood stability properties."

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