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This valuable reference provides a comprehensive treatment of the technology known as RMA (rate-monotonic analysis) method. It also covers the tremendous recent advances in real-time operating systems and communications networks—emphasizing research results that have been adopted in state-of-the-art systems. Describing how and discussing why, this book uses insightful illustrative examples to convey technology transition in the last ten years. Coverage includes commonly used approaches to hard real-time scheduling, clock-driven scheduling, scheduling aperiodic and sporadic jobs in priority-driven systems, resources and resource access control, real-time communications, and operating systems. For systems architects, designers, chief scientists and technologists, and systems analysts.
Hard real-time systems are very predictable, but not sufficiently flexible to adapt to dynamic situations. This monograph provides methods for building flexible, predictable soft real-time systems, in order to optimize resources and reduce costs. It is a useful reference for developers, as well as researchers and students in Computer Science.
In this text performance measures, scheduling, real-time architectures, and algorithms are treated, along with fault-tolerance technology. With "Real-Time Systems", students will gain a deeper insight into the material through the use of numerous exercises and examples. For instance, simple examples found in Chapter 2 illustrate the differences between real-time and non-real-time systems.
This book introduces the concepts and state-of-the-art research developments of resource management in real-time systems and networks. Real-time systems and networks are of increasing importance in many applications, including automated factories, telecommunication systems, defense systems, and space systems. This book introduces the concepts and state-of-the-art research developments of resource management in real-time systems and networks. Unlike other texts in the field, it covers the entire spectrum of issues in resource management, including task scheduling in uniprocessor real-time systems; task scheduling, fault-tolerant task scheduling, and resource reclaiming in multiprocessor real-time systems; conventional task scheduling and object-based task scheduling in distributed real-time systems; message scheduling; QoS routing; dependable communication; multicast communication; and medium access protocols in real-time networks. It provides algorithmic treatments for all of the issues addressed, highlighting the intuition behind each algorithm and giving examples. The book also includes two chapters of case studies.
"This book is a comprehensive text for the design of safety critical, hard real-time embedded systems. It offers a splendid example for the balanced, integrated treatment of systems and software engineering, helping readers tackle the hardest problems of advanced real-time system design, such as determinism, compositionality, timing and fault management. This book is an essential reading for advanced undergraduates and graduate students in a wide range of disciplines impacted by embedded computing and software. Its conceptual clarity, the style of explanations and the examples make the abstract concepts accessible for a wide audience." Janos Sztipanovits, Director E. Bronson Ingram Distinguished Professor of Engineering Institute for Software Integrated Systems Vanderbilt University Real-Time Systems focuses on hard real-time systems, which are computing systems that must meet their temporal specification in all anticipated load and fault scenarios. The book stresses the system aspects of distributed real-time applications, treating the issues of real-time, distribution and fault-tolerance from an integral point of view. A unique cross-fertilization of ideas and concepts between the academic and industrial worlds has led to the inclusion of many insightful examples from industry to explain the fundamental scientific concepts in a real-world setting. Compared to the first edition, new developments in complexity management, energy and power management, dependability, security, and the internet of things, are addressed. The book is written as a standard textbook for a high-level undergraduate or graduate course on real-time embedded systems or cyber-physical systems. Its practical approach to solving real-time problems, along with numerous summary exercises, makes it an excellent choice for researchers and practitioners alike.
Introduction to real-time systems - Designing real-time systems - Programming in the small - Programming in the large - Reliability and fault tolerance - Exceptions and exception handling - Concurrent programming - Shared variable-based synchronization and communication - Message-based synchronization and communication - Atomic actions, concurrent processes and reliability - Resource control - Real-time facilities - Scheduling - Distributed systems - Low-level programming - The execution environment - A case study in ada.
This classroom-tested textbook describes the design and implementation of software for distributed real-time systems, using a bottom-up approach. The text addresses common challenges faced in software projects involving real-time systems, and presents a novel method for simply and effectively performing all of the software engineering steps. Each chapter opens with a discussion of the core concepts, together with a review of the relevant methods and available software. This is then followed with a description of the implementation of the concepts in a sample kernel, complete with executable code. Topics and features: introduces the fundamentals of real-time systems, including real-time architecture and distributed real-time systems; presents a focus on the real-time operating system, covering the concepts of task, memory, and input/output management; provides a detailed step-by-step construction of a real-time operating system kernel, which is then used to test various higher level implementations; describes periodic and aperiodic scheduling, resource management, and distributed scheduling; reviews the process of application design from high-level design methods to low-level details of design and implementation; surveys real-time programming languages and fault tolerance techniques; includes end-of-chapter review questions, extensive C code, numerous examples, and a case study implementing the methods in real-world applications; supplies additional material at an associated website. Requiring only a basic background in computer architecture and operating systems, this practically-oriented work is an invaluable study aid for senior undergraduate and graduate-level students of electrical and computer engineering, and computer science. The text will also serve as a useful general reference for researchers interested in real-time systems.
"Real-time Systems’ Quality of Service" examines the attainability of efficiency, economy, and ease of use, which make up the quality of service of technologically advanced products. "Real-time Systems’ Quality of Service" reviews the state of the art in quality of service evaluation for real-time systems. It gives a classification of the relevant parameters for quality of service evaluation and also determines the critical points in the design and development process of real-time systems – where performance criteria should be applied or checked. Then, software development and certification standards are assessed, and finally the authors elaborate on how the suggested criteria should be applied to the design, development, and certification process of real-time systems. "Real-time Systems’ Quality of Service" will guide researchers and postgraduates in embedded and real-time systems through the process of introducing quality of service parameters into real-time systems.
This is the digital version of the printed book (Copyright © 1987). Here is a casebook, a practical reference, and an indispensable guide for creating a systematic, formal methodology for large, real-time, software-based systems. The book introduces the widely implemented Hatley/Pirbhai methods, a major extension of the DeMarco analysis method describing how external events control the system's operating behavior. The techniques are used in major avionics and electronics companies worldwide, and are automated by most major CASE tools, including TurboCASE/Sys by StructSoft, Inc. Large software-based systems, especially those for real-time applications, require multi-mode operation, direct interaction with a rapidly changing physical environment, and fast response times. In the past, the development of such systems was prone to massive cost and schedule overruns, and to inadequate performance and reliability. Strategies for Real-Time System Specification addresses these problems by integrating a finite-state machine structure into classical analysis methods. The book contains nearly 200 diagrams, many of which illustrate the requirements specification of a flight management system for a major avionics developer.
The comprehensive coverage and real-world perspective makes the book accessible and appealing to both beginners and experienced designers. Covers both the fundamentals of software design and modern design methodologies Provides comparisons of different development methods, tools and languages Blends theory and practical experience together Emphasises the use of diagrams and is highly illustrated
This is an interestingly conceived book that explains what an embedded realtime system is, the various types of embedded systems, techniques for programming, them and more significantly, the important concepts that are required to be mastered for efficient design and implementation of embedded system software. The book focuses on: Embedded realtime fundamentals from a practitioner’s perspective; Engineering perspective to the nitty-gritty (build process, memory management, interrupts) of embedded systems; Healthy mix of concepts of realtime theory and RTOS; Software engineering principles related to requirements, architecture, design and testing.
Real-Time Systems Development introduces computing students and professional programmers to the development of software for real-time applications. Based on the academic and commercial experience of the author, the book is an ideal companion to final year undergraduate options or MSc modules in the area of real-time systems design and implementation. Assuming a certain level of general systems design and programming experience, this text will extend students’ knowledge and skills into an area of computing which has increasing relevance in a modern world of telecommunications and ‘intelligent’ equipment using embedded microcontrollers. This book takes a broad, practical approach in discussing real-time systems. It covers topics such as basic input and output; cyclic executives for bare hardware; finite state machines; task communication and synchronization; input/output interfaces; structured design for real-time systems; designing for multitasking; UML for real-time systems; object oriented approach to real-time systems; selecting languages for RTS development; Linux device drivers; and hardware/software co-design. Programming examples using GNU/Linux are included, along with a supporting website containing slides; solutions to problems; and software examples. This book will appeal to advanced undergraduate Computer Science students; MSc students; and, undergraduate software engineering and electronic engineering students. * Concise treatment delivers material in manageable sections * Includes handy glossary, references and practical exercises based on familiar scenarios * Supporting website contains slides, solutions to problems and software examples
The leading guide to real-time systems design-revised andupdated This third edition of Phillip Laplante's bestselling, practicalguide to building real-time systems maintains its predecessors'unique holistic, systems-based approach devised to help engineerswrite problem-solving software. Dr. Laplante incorporates a surveyof related technologies and their histories, complete withtime-saving practical tips, hands-on instructions, C code, andinsights into decreasing ramp-up times. Real-Time Systems Design and Analysis, Third Edition is essentialfor students and practicing software engineers who want improveddesigns, faster computation, and ultimate cost savings. Chaptersdiscuss hardware considerations and software requirements, softwaresystems design, the software production process, performanceestimation and optimization, and engineering considerations. This new edition has been revised to include: * Up-to-date information on object-oriented technologies forreal-time including object-oriented analysis, design, and languagessuch as Java, C++, and C# * Coverage of significant developments in the field, such as: New life-cycle methodologies and advanced programming practices forreal-time, including Agile methodologies Analysis techniques for commercial real-time operating systemtechnology Hardware advances, including field-programmable gate arrays andmemory technology * Deeper coverage of: Scheduling and rate-monotonic theories Synchronization and communication techniques Software testing and metrics Real-Time Systems Design and Analysis, Third Edition remains anunmatched resource for students and practicing software engineerswho want improved designs, faster computation, and ultimate costsavings.
This revised and enlarged edition of a classic in Old Testament scholarship reflects the most up-to-date research on the prophetic books and offers substantially expanded discussions of important new insight on Isaiah and the other prophets.

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