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.
Discrete-time systems arise as a matter of course in modelling biological or economic processes. For systems and control theory they are of major importance, particularly in connection with digital control applications. If sampling is performed in order to control periodic processes, almost periodic systems are obtained. This is a strong motivation to investigate the discrete-time systems with time-varying coefficients. This research monograph contains a study of discrete-time nodes, the discrete counterpart of the theory elaborated by Bart, Gohberg and Kaashoek for the continuous case, discrete-time Lyapunov and Riccati equations, discrete-time Hamiltonian systems in connection with input-output operators and associated Hankel and Toeplitz operators. All these tools aim to solve the problems of stabilization and attenuation of disturbances in the framework of H2- and H-control theory. The book is the first of its kind to be devoted to these topics and consists mainly of original, recently obtained results.
The authors present the theory of symmetric (Hermitian) matrix Riccati equations and 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 makes 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.
The aim of this book is to provide beginning graduate students who completed the first two semesters of graduate-level analysis and PDE courses with a first exposure to the mathematical analysis of the incompressible Euler and Navier-Stokes equations. The book gives a concise introduction to the fundamental results in the well-posedness theory of these PDEs, leaving aside some of the technical challenges presented by bounded domains or by intricate functional spaces. Chapters 1 and 2 cover the fundamentals of the Euler theory: derivation, Eulerian and Lagrangian perspectives, vorticity, special solutions, existence theory for smooth solutions, and blowup criteria. Chapters 3, 4, and 5 cover the fundamentals of the Navier-Stokes theory: derivation, special solutions, existence theory for strong solutions, Leray theory of weak solutions, weak-strong uniqueness, existence theory of mild solutions, and Prodi-Serrin regularity criteria. Chapter 6 provides a short guide to the must-read topics, including active research directions, for an advanced graduate student working in incompressible fluids. It may be used as a roadmap for a topics course in a subsequent semester. The appendix recalls basic results from real, harmonic, and functional analysis. Each chapter concludes with exercises, making the text suitable for a one-semester graduate course. Prerequisites to this book are the first two semesters of graduate-level analysis and PDE courses.
The Republic of Moldova claims a European lineage reaching back in time long before its 14th century accession to statehood. In the 15th century, it managed against all odds to avoid being conquered by Islam and_albeit an intermittent vassal after 1485_it maintained its autonomy and was never turned into a province of the Ottoman Empire. After this period, however, Moldova would not be so fortunate, as it altered between Russian, Romanian, and Soviet control until it finally gained its independence in 1991 from the Soviet Union. The second edition of the Historical Dictionary of Moldova, through its chronology, introduction, appendixes, maps, bibliography, and hundreds of cross-referenced dictionary entries on important persons, places, events, and institutions and significant political, economic, social, and cultural aspects, traces the history of this small, but densely populated country, providing a compass for the direction it is heading.
The Republic of Moldova claims a European lineage reaching back in time long before its 14th century accession to statehood. In the 15th century, it managed against all odds to avoid being conquered by Islam and-albeit an intermittent vassal after 1485-it maintained its autonomy and was never turned into a province of the Ottoman Empire. After this period, however, Moldova would not be so fortunate, as it altered between Russian, Romanian, and Soviet control until it finally gained its independence in 1991 from the Soviet Union. The A to Z of Moldova, through its chronology, introduction, appendixes, maps, bibliography, and hundreds of cross-referenced dictionary entries on important persons, places, events, and institutions and significant political, economic, social, and cultural aspects, traces the history of this small, but densely populated country, providing a compass for the direction it is heading.
A practical, concise, and up-to-date reference for the ICU A Doody’s Core Title for 2019! LANGE Critical Care delivers concise, evidenced-based, and highly clinical coverage of the surgical and medical aspects of critical care. The book provides basic fundamentals, applications and insights that will be of lasting value to all ICU physicians, nurses, advanced care providers, and allied personnel who care for the critically ill and injured patients in all ICUs. Noteworthy features include a well-illustrated Clinical Care Procedures section, high-yield summaries of the full spectrum of essential critical care topics, and the inclusion of “Controversies” chapters throughout each section addressing some of the ambiguous aspects of critical care. This timely book also covers the growing scope of critical care provided outside the ICU and the increasing importance of critical care services within the hospital structure. In keeping with the multi-professional nature of critical care delivery, several chapters are authored or coauthored by critical care fellows, ICU nurses, physician assistants, nurse practitioners, and pharmacists. FEATURES: • Includes both the surgical and medical aspects of critical care, making it valuable to the intensivist working in the medical, surgical, or neurological ICU • Utilizes numerous visual elements such as figures, tables, and algorithms • Appendix contains valuable reference material and formulas, including a chapter on bedside statistics • Excellent primer for internal medicine and anesthesiology ICU rotations and great for board examination review
The authors present the theory of symmetric (Hermitian) matrix Riccati equations and 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 makes 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.
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.
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.
Karel Appel. A gesture of colour is the first of a series of five volumes, bringing together the most important writings of Jean-François Lyotard (1924-1998) on contemporary art and artists. The book he devoted to the art of Karel Appel (1921-2006) is without doubt one of the most complete and inspired texts of all the writing included in the series. Neither the original French manuscript nor the English translation has ever been published before, and their presentation face to face should constitute a considerable plus. In this book, Lyotard presents Karel Appel's "matterism" as an offer of presence, presence deferred -- it is the visual where every predicate is suspended, the visual touched, "gesture" of colour more than property of colour, appearance at the edge of the abyss. Christine Buci-Glucksmann's epilogue situates Karel Appel. A gesture of colour within the whole of Lyotard's writings on art and his subsequent work."--P. [4] of cover.
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