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Author: Publisher: John Wiley & Sons ISBN: Category : Mathematics Languages : en Pages : 488
Book Description
"The purpose of this book is to present the theory of control and coordination in hierarchical systems - that is, in systems where the decision-making responsibility has been divided. Since it aims to present theory that will be useful for applications, it not only encompasses the basic, general, and consequently somewhat abstract principles of coordination, but also considers such practical features as differences between models and the reality they describe, constraints, possible use of feedback information, and time horizons." --Preface.
Author: Publisher: John Wiley & Sons ISBN: Category : Mathematics Languages : en Pages : 488
Book Description
"The purpose of this book is to present the theory of control and coordination in hierarchical systems - that is, in systems where the decision-making responsibility has been divided. Since it aims to present theory that will be useful for applications, it not only encompasses the basic, general, and consequently somewhat abstract principles of coordination, but also considers such practical features as differences between models and the reality they describe, constraints, possible use of feedback information, and time horizons." --Preface.
Author: C.T. Leonides Publisher: Elsevier ISBN: 0323162851 Category : Technology & Engineering Languages : en Pages : 419
Book Description
Control and Dynamic Systems, Volume 22: Decentralized/Distributed Control and Dynamic Systems, Part 1 deals with advances in techniques for the analysis and synthesis of decentralized or distributed control and dynamic systems. This book begins with a unique presentation of important results and techniques that decentralized control systems often face due to the fact that the individual systems in a collection or set of decentralized control systems are somewhat incomplete. The controllability, observability, implications, and powerful techniques for stabilization and control of decentralized systems are also discussed. The next chapters describe the covariance equivalent realizations with application to model reductions of large-scale systems and decentralized estimation and control of one-way connected subsystems. This publication concludes with a presentation of the multivariable feedback and decentralized control that reviews fundamental results extending multivariable theory from conventional control systems to the highly challenging problems of decentralized control. This volume is beneficial to students and researchers conducting work on decentralized or distributed control and dynamic systems.
Author: Marija Ilic Publisher: Springer Science & Business Media ISBN: 1447134613 Category : Technology & Engineering Languages : en Pages : 254
Book Description
Deregulation is causing dramatic change in the power industry but little is known about how power systems will function under competition. What are suitable performance objectives? What control designs are required and what economic techniques should be used? This detailed analysis attempts to answer these questions. The authors provide a modelling, analysis and systems control framework that makes it possible to relate distinctive features of the electric power industry to more conventional supply/demand processes in other industries. Some parts of the system can be distributed while other parts must remain co-ordinated. This authoritative and detailed study is highly topical and will be of interest to those working in the systems control area, especially in electrical power. It is also most relevant for industrial economists as well as academics in electrical power engineering.
Author: Andrei-Constantin Braitor Publisher: Springer Nature ISBN: 3030954153 Category : Technology & Engineering Languages : en Pages : 185
Book Description
This book introduces several novel contributions into the current literature. Firstly, given that microgrid topologies are paramount in theoretical analysis, the author has proposed a rigorous method of computing the network’s admittance matrix and developed to facilitate the stability analysis of DC microgrids supplying nonlinear loads. This unique approach enabled the factorisation of the admittance matrix in a particular way that facilitates a rigorous theoretical analysis for deriving the stability conditions. Secondly, author has proposed a unified control structure at the primary control layer that maintains the widely accepted droop-based approaches and additionally ensures crucial current- and voltage-limiting properties, thus offering an inherent protection to distributed energy resources. He has formalised the control design proofs using Lyapunov methods and nonlinear ultimate boundedness theory, for both parallel and meshed microgrid configurations. Moreover, he has developed a distributed secondary controller using a diffusive coupling communication network, on top of the primary control, to achieve voltage restoration and improve the power sharing. In this way, the author has formulated the complete hierarchical control scheme. In this high-order nonlinear setting, he has analytically proven closed-loop system stability of the overall system, for the first time, using two-time scale approaches and singular perturbation theory, by formulating rigorous theorems that introduce straightforward conditions that guide the system and control design and demonstrate system stability at the desired equilibrium point. In addition, the author has provided a straightforward algorithm for simple testing of system stability and explored from a graphical perspective by giving an interpretation to the effect of the nonlinear load onto the system performance and stability.
Author: Anne Shumway-Cook Publisher: Lippincott Williams & Wilkins ISBN: 9780781766913 Category : Medical Languages : en Pages : 634
Book Description
Motor Control is the only text to bridge the gap between current motor control research and its applications to clinical practice. The text prepares therapists to examine and treat patients with problems related to balance, mobility, and upper extremity function, based on the best available evidence supporting clinical practice. The Third Edition features a new two-color design with an updated art program. This edition provides the latest research findings and their clinical applications in postural control, mobility, and upper extremity function. Drawings, charts, tables, and photographs are also included to clarify postural control and functional mobility, and laboratory activities and case studies are provided to reinforce key concepts.
Author: Fouad Sabry Publisher: One Billion Knowledgeable ISBN: Category : Computers Languages : en Pages : 81
Book Description
What Is Hierarchical Control System A hierarchical control system, often known as an HCS, is a type of control system that organizes the devices under its command and the software that governs them in the shape of a tree structure. When a computer network is used to implement the tree's links, the hierarchical control system in question is also a sort of networked control system. How You Will Benefit (I) Insights, and validations about the following topics: Chapter 1: Hierarchical Control System Chapter 2: Subsumption Architecture Chapter 3: James S. Albus Chapter 4: Cognitive Architecture Chapter 5: Intelligent Agent Chapter 6: Hybrid Intelligent System Chapter 7: Procedural Reasoning System Chapter 8: Real-time Control System Software Chapter 9: 4D-RCS Reference Model Architecture Chapter 10: Situated Approach (Artificial Intelligence) (II) Answering the public top questions about hierarchical control system. (III) Real world examples for the usage of hierarchical control system in many fields. (IV) 17 appendices to explain, briefly, 266 emerging technologies in each industry to have 360-degree full understanding of hierarchical control system' technologies. Who This Book Is For Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of hierarchical control system.
Author: Todor Stoilov Publisher: Springer Science & Business Media ISBN: 9400900171 Category : Mathematics Languages : en Pages : 284
Book Description
Multilevel decision theory arises to resolve the contradiction between increasing requirements towards the process of design, synthesis, control and management of complex systems and the limitation of the power of technical, control, computer and other executive devices, which have to perform actions and to satisfy requirements in real time. This theory rises suggestions how to replace the centralised management of the system by hierarchical co-ordination of sub-processes. All sub-processes have lower dimensions, which support easier management and decision making. But the sub-processes are interconnected and they influence each other. Multilevel systems theory supports two main methodological tools: decomposition and co-ordination. Both have been developed, and implemented in practical applications concerning design, control and management of complex systems. In general, it is always beneficial to find the best or optimal solution in processes of system design, control and management. The real tendency towards the best (optimal) decision requires to present all activities in the form of a definition and then the solution of an appropriate optimization problem. Every optimization process needs the mathematical definition and solution of a well stated optimization problem. These problems belong to two classes: static optimization and dynamic optimization. Static optimization problems are solved applying methods of mathematical programming: conditional and unconditional optimization. Dynamic optimization problems are solved by methods of variation calculus: Euler Lagrange method; maximum principle; dynamical programming.
Author: Suresh P. Sethi Publisher: Springer Science & Business Media ISBN: 146120285X Category : Technology & Engineering Languages : en Pages : 420
Book Description
One of the most important methods in dealing with the optimization of large, complex systems is that of hierarchical decomposition. The idea is to reduce the overall complex problem into manageable approximate problems or subproblems, to solve these problems, and to construct a solution of the original problem from the solutions of these simpler prob lems. Development of such approaches for large complex systems has been identified as a particularly fruitful area by the Committee on the Next Decade in Operations Research (1988) [42] as well as by the Panel on Future Directions in Control Theory (1988) [65]. Most manufacturing firms are complex systems characterized by sev eral decision subsystems, such as finance, personnel, marketing, and op erations. They may have several plants and warehouses and a wide variety of machines and equipment devoted to producing a large number of different products. Moreover, they are subject to deterministic as well as stochastic discrete events, such as purchasing new equipment, hiring and layoff of personnel, and machine setups, failures, and repairs.
Author: José Luis Rueda-Torres Publisher: John Wiley & Sons ISBN: 1119214955 Category : Technology & Engineering Languages : en Pages : 450
Book Description
Identifying, assessing, and mitigating electric power grid vulnerabilities is a growing focus in short-term operational planning of power systems. Through illustrated application, this important guide surveys state-of-the-art methodologies for the assessment and enhancement of power system security in short term operational planning and real-time operation. The methodologies employ advanced methods from probabilistic theory, data mining, artificial intelligence, and optimization, to provide knowledge-based support for monitoring, control (preventive and corrective), and decision making tasks. Key features: Introduces behavioural recognition in wide-area monitoring and security constrained optimal power flow for intelligent control and protection and optimal grid management. Provides in-depth understanding of risk-based reliability and security assessment, dynamic vulnerability assessment methods, supported by the underpinning mathematics. Develops expertise in mitigation techniques using intelligent protection and control, controlled islanding, model predictive control, multi-agent and distributed control systems Illustrates implementation in smart grid and self-healing applications with examples and real-world experience from the WAMPAC (Wide Area Monitoring Protection and Control) scheme. Dynamic Vulnerability Assessment and Intelligent Control for Power Systems is a valuable reference for postgraduate students and researchers in power system stability as well as practicing engineers working in power system dynamics, control, and network operation and planning.
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Author: 
Author: C.T. Leonides
Author: Michael Baldea
Author: Marija Ilic
Author: Andrei-Constantin Braitor
Author: Anne Shumway-Cook
Author: Fouad Sabry
Author: Todor Stoilov
Author: Suresh P. Sethi
Author: José Luis Rueda-Torres