Software Diversity In Computerized Control Systems

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Software Diversity in Computerized Control Systems

Udo Voges
Software Diversity in Computerized Control Systems Book PDF

Author : Udo Voges
Publisher : Springer Science & Business Media
Page : 209 pages
File Size : 53,9 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9783709189320

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Software Diversity in Computerized Control Systems by Udo Voges Pdf

Software Diversity is one of the fault-tolerance means to achieve dependable systems. In this volume, some experimental systems as well as real-life applications of software diversity are presented. The history, the current state-of-the-art and future perspectives are given. Although this technique is used quite successfully in industrial applications, further research is necessary to solve some open questions. We hope to report on new results and applications in another volume of this series within some years. Acknowledgements The idea of the workshop was put forward by the chairpersons of IFIP WG lOA, J. -c. Laprie, J. F. Meyer and Y. Tohma, in January 1986, and the edi tor of this volume was asked to organize the workshop. This volume was edited with the assistance of the editors of the series, A. AviZienis, H. Kopetz and J. -C. Laprie, who also had the function of reviewers. Karlsruhe, October 1987 U. Voges, Editor Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. Introduction U. Voges 2. Railway Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 ERICSSON Safety System for Railway Control . . . . . . . . . . . . . . . . . . 11 G. Hagelin 3. Nuclear Applications . . . . . . . . . . . . . . . . . . . . . . 23 Use of Diversity in Experimental Reactor Safety Systems . 29 U. Voges The PODS Diversity Experiment . 51 P. G. Bishop 4. Flight Applications . . . . . . . . . . . . . . . . . . . . . . . . . 85 AIRBUS and ATR System Architecture and Specification. . 95 P. Traverse 5. University Research . . . . . . . . . . . . . . . . . . . 105 Tolerating Software Design Faults in a Command and Control System . . . . . . . . . . . . . . . . . . . . . . 109 T. Anderson, P. A. Barrett, D. N. Halliwell, M. R. Moulding DEDIX 87 - A Supervisory System for Design Diversity Experiments at UCLA . . . . . . . . . . . . . . . . . .

Software Diversity in Computerized Control Systems

Udo Voges
Software Diversity in Computerized Control Systems Book PDF

Author : Udo Voges
Publisher : Unknown
Page : 228 pages
File Size : 51,7 Mb
Release : 1987-12-17
Category : Electronic
ISBN : 3709189330

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Software Diversity in Computerized Control Systems by Udo Voges Pdf

This book deals with the most important aspects of software diversity and its use in computerized control systems, including theoretical background, experiments, and industrial realizations (railway, flight and nuclear applications). Researchers describe their experiments with software diversity and explain their results, including benefits and drawbacks. Practitioners explain their use of it in real systems: why they use this means of fault-tolerance, and how they incorporate it into their systems. In addition to the papers the book contains a rather complete list of publications giving an overview on references about software diversity from its beginning until today. Therefore, this book is a complete description of the state of the art on the topic of software diversity.

Safety of Computer Control Systems 1985 (Safecomp '85)

W. J. Quirk
Safety of Computer Control Systems 1985 Safecomp 85 Book PDF

Author : W. J. Quirk
Publisher : Elsevier
Page : 192 pages
File Size : 42,9 Mb
Release : 2016-06-03
Category : Computers
ISBN : 9781483190877

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Safety of Computer Control Systems 1985 (Safecomp '85) by W. J. Quirk Pdf

Safety of Computer Control Systems 1985 (Safecomp '85): Achieving Safe Real Time Computer Systems presents the proceedings of the Fourth IFAC Workshop, held in Como, Italy, on October 1–3, 1985. This book discusses a wide range of topics ranging from direct process control through robotics to operator assistance. Organized into 28 chapters, this compilation of papers begins with an overview of the implementation of atomic actions by means of concurrent programming constructs. This text then examines the safety-related applications that usually demand the provision of redundant resources within the system. Other chapters consider the safe performance of an industrial robot system that relies on several factors. This book discusses as well the increasing demand for Computer Assisted Decision Making (CADM) both in engineering and service industries. The final chapter deals with the ways of reducing the effects of an error introduced during the design of a program. This book is a valuable resource for software engineers.

Safety of Computer Control Systems

R. Lauber
Safety of Computer Control Systems Book PDF

Author : R. Lauber
Publisher : Elsevier
Page : 230 pages
File Size : 48,6 Mb
Release : 2014-05-19
Category : Technology & Engineering
ISBN : 9781483153759

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Safety of Computer Control Systems by R. Lauber Pdf

Safety of Computer Control Systems is a collection of papers from the Proceedings of the IFAC Workshop, held in Stuttgart, Germany on May 16-18, 1979. This book discusses the inherent problems in the hardware and software application of computerized control to automated systems safeguarding human life, property, and the environment. The papers discuss more specific concerns, such as railway systems, aircraft landing systems, nuclear power stations, chemical reactors, elevators, and cranes. The book also describes the safety and reliability of complex industrial computer systems together with an example showing the application of computers in power plants. One paper presents guidelines in documenting safety related computer systems that will help various parties who are involved in their purchase and operation. Another paper discusses how to detect failures in microcomputer systems such as memory violations and invalid operation code detectors. This book then concludes by discussing the necessity of inspecting process computers used in nuclear power plants, especially when computers are used in reactor protection, control rod, and authentication of log-in systems. This collection can be of interest for students of programming, process-computer analysts, heads of computer technology departments and institutions, and lecturers in industrial computer programming and design.

Safety of Computer Control Systems 1990 (SAFECOMP'90)

B.K. Daniels
Safety of Computer Control Systems 1990 SAFECOMP 90 Book PDF

Author : B.K. Daniels
Publisher : Elsevier
Page : 185 pages
File Size : 51,6 Mb
Release : 2014-06-28
Category : Technology & Engineering
ISBN : 9781483298351

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Safety of Computer Control Systems 1990 (SAFECOMP'90) by B.K. Daniels Pdf

The market for safe, secure and reliable computer systems is expanding continuously and these Proceedings provide an opportunity to review the growth during the last decade and identify skills and technologies required for continued development in the area. The papers cover the experiences gained from specifying, creating, operating, and licensing computers in safety, security and reliability related applications. There are reviews of guidelines and industrial applications, with a section covering methods and tools used in designing, documenting, analysing, testing and assessing systems dependent on the SAFECOMP factors.

Safety of Computer Control Systems 1986 (Safecomp '86) Trends in Safe Real Time Computer Systems

W. J. Quirk
Safety of Computer Control Systems 1986 Safecomp 86 Trends in Safe Real Time Computer Systems Book PDF

Author : W. J. Quirk
Publisher : Elsevier
Page : 199 pages
File Size : 54,6 Mb
Release : 2017-02-24
Category : Technology & Engineering
ISBN : 9781483299471

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Safety of Computer Control Systems 1986 (Safecomp '86) Trends in Safe Real Time Computer Systems by W. J. Quirk Pdf

The proceedings of the fifth workshop in this subject continue the trend set by the previous four and discusses some of the current problems involved in the design and production of safe real-time computer systems. Topics covered include software quality assurance, software fault tolerance, design for safety, and reliability and safety assessment. Every paper details the theoretical and practical problems involved in the development of safe systems and should therefore be of interest to all those involved in systems design.

Distributed Computer Control Systems in Industrial Automation

VijayP. Bhatkar
Distributed Computer Control Systems in Industrial Automation Book PDF

Author : VijayP. Bhatkar
Publisher : Routledge
Page : 752 pages
File Size : 49,8 Mb
Release : 2017-11-22
Category : Technology & Engineering
ISBN : 9781351454698

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Distributed Computer Control Systems in Industrial Automation by VijayP. Bhatkar Pdf

A reference guide for professionals or text for graduate and postgraduate students, this volume emphasizes practical designs and applications of distributed computer control systems. It demonstrates how to improve plant productivity, enhance product quality, and increase the safety, reliability, and

Software Fault Tolerance Techniques and Implementation

Laura L. Pullum
Software Fault Tolerance Techniques and Implementation Book PDF

Author : Laura L. Pullum
Publisher : Artech House
Page : 343 pages
File Size : 41,6 Mb
Release : 2001
Category : Computers
ISBN : 9781580531375

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Software Fault Tolerance Techniques and Implementation by Laura L. Pullum Pdf

This innovative resource provides the most-comprehensive coverage of software fault tolerance techniques as it guides professionals through their design, operation and performance. It features an in-depth discussion on the advantages and disadvantages of specific techniques, so practitioners can decide which ones are best suited for their work.

Architecting Dependable Systems II

Rogério de Lemos,Cristina Gacek,Alexander Romanovsky
Architecting Dependable Systems II Book PDF

Author : Rogério de Lemos,Cristina Gacek,Alexander Romanovsky
Publisher : Springer
Page : 350 pages
File Size : 44,8 Mb
Release : 2004-11-29
Category : Computers
ISBN : 9783540259398

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Architecting Dependable Systems II by Rogério de Lemos,Cristina Gacek,Alexander Romanovsky Pdf

As software systems become ubiquitous, the issues of dependability become more and more critical. Given that solutions to these issues must be taken into account from the very beginning of the design process, it is appropriate that dependability is addressed at the architectural level. This book results from an effort to bring together the research communities of software architectures and dependability. Inspired by the ICSE 2003 Workshop on Software Architectures for Dependable Systems, the book focuses on topics relevant to improving the state of the art in architecting dependable systems. The 15 thoroughly reviewed papers originate partly from the workshop; others were solicited in order to achieve complete coverage of all relevant aspects. The papers are organized into topical sections on architectures for dependability, fault-tolerance in software architectures, dependability analysis in software architectures, and industrial experience.

High-Integrity Software

C.T. Sennett
High Integrity Software Book PDF

Author : C.T. Sennett
Publisher : Springer Science & Business Media
Page : 369 pages
File Size : 49,7 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9781468457759

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High-Integrity Software by C.T. Sennett Pdf

4. 3 The Gypsy language 72 4. 4 The Gypsy Verification Environment 73 4. 5 A simple example 81 4. 6 Specification data types 91 4. 7 Future directions 95 100 4. 8 Conclusions 5 Reliable programming in standard languages 102 Bernard Carre, Program Validation Ltd. 5. 1 Introduction 102 5. 2 Language requirements for high-integrity programming 103 5. 3 The use of standard languages 108 5. 4 Programming in Pascal and Ada 110 1'19 5. 5 Practical experiences NewSpeak: a reliable programming language 6 122 I. F. Currie, Royal Signals and Radar Establishment 6. 1 Introduction 122 6. 2 Types and values 127 6. 3 Declarations and variables 132 6. 4 Guarded declarations 134 6. 5 Cases and conditionals 136 6. 6 Loops 138 6. 7 Procedures 140 6. 8 Assertions 145 6. 9 Timing 147 6. 10 Conclusion 149 6. 11 Appendix 1: summary of syntax 150 6. 12 Appendix 2: type lattice and widening 156 7 Program analysis and systematic testing 159 M. A. Hennell, University of Liverpool, and D. Hedley and I. J. Riddell, Liverpool Data Research Associates Ltd. 7. 1 Introduction 159 7. 2 The basic requirement 160 7. 3 The Liverpool experience 161 7. 4 The Liverpool experiments 162 7. 5 The LDRA Testbeds 163 Interpretation 169 7. 6 7. 7 Applicability and benefits 171 7. 8 Safety-critical systems 173 VI 8 Program analysis and verification 176 Bernard Carre, Program Validation Ltd. 8. 1 Introduction 176 8.

Software Reliability Handbook

Rook
Software Reliability Handbook Book PDF

Author : Rook
Publisher : Springer Science & Business Media
Page : 578 pages
File Size : 47,5 Mb
Release : 1990-03-31
Category : Computers
ISBN : 1851664009

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Software Reliability Handbook by Rook Pdf

The reliability of software is becoming increasingly important to a large range of industries that rely on complex computer systems and machinery with computer control. The reliability of a system depends on both the hardware and the software that comprise the system. Although faults in design can continue to give problems, the issues and the techniques for meeting severe reliability requirements in hardware have been understood for some time. In the case of software both the techniques and a positive attitude of software developers to the achievement of reliability are much less well established. They are particularly crucial in the development of software dependent safety-critical systems.

Dependable and Historic Computing

Cliff B. Jones,John L. Lloyd
Dependable and Historic Computing Book PDF

Author : Cliff B. Jones,John L. Lloyd
Publisher : Springer
Page : 523 pages
File Size : 53,8 Mb
Release : 2012-01-24
Category : Computers
ISBN : 9783642245411

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Dependable and Historic Computing by Cliff B. Jones,John L. Lloyd Pdf

This Festschrift volume, published in honor of Brian Randell on the occasion of his 75th birthday, contains a total of 37 refereed contributions. Two biographical papers are followed by the six invited papers that were presented at the conference 'Dependable and Historic Computing: The Randell Tales', held during April 7-8, 2011 at Newcastle University, UK. The remaining contributions are authored by former scientific colleagues of Brian Randell. The papers focus on the core of Brian Randell’s work: the development of computing science and the study of its history. Moreover, his wider interests are reflected and so the collection comprises papers on software engineering, storage fragmentation, computer architecture, programming languages and dependability. There is even a paper that echoes Randell’s love of maps. After an early career with English Electric and then with IBM in New York and California, Brian Randell joined Newcastle University. His main research has been on dependable computing in all its forms, especially reliability, safety and security aspects, and he has led several major European collaborative projects.

The Engineering of Complex Real-Time Computer Control Systems

George W. Irwin
The Engineering of Complex Real Time Computer Control Systems Book PDF

Author : George W. Irwin
Publisher : Springer
Page : 89 pages
File Size : 53,9 Mb
Release : 2007-11-23
Category : Computers
ISBN : 9780585346533

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The Engineering of Complex Real-Time Computer Control Systems by George W. Irwin Pdf

The Engineering of Complex Real-Time Computer Control Systems brings together in one place important contributions and up-to-date research results in this important area. The Engineering of Complex Real-Time Computer Control Systems serves as an excellent reference, providing insight into some of the most important research issues in the field.

Dependable Computing Systems

Hassan B. Diab,Albert Y. Zomaya
Dependable Computing Systems Book PDF

Author : Hassan B. Diab,Albert Y. Zomaya
Publisher : John Wiley & Sons
Page : 693 pages
File Size : 43,6 Mb
Release : 2005-10-05
Category : Computers
ISBN : 9780471674221

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Dependable Computing Systems by Hassan B. Diab,Albert Y. Zomaya Pdf

A team of recognized experts leads the way to dependable computing systems With computers and networks pervading every aspect of daily life, there is an ever-growing demand for dependability. In this unique resource, researchers and organizations will find the tools needed to identify and engage state-of-the-art approaches used for the specification, design, and assessment of dependable computer systems. The first part of the book addresses models and paradigms of dependable computing, and the second part deals with enabling technologies and applications. Tough issues in creating dependable computing systems are also tackled, including: * Verification techniques * Model-based evaluation * Adjudication and data fusion * Robust communications primitives * Fault tolerance * Middleware * Grid security * Dependability in IBM mainframes * Embedded software * Real-time systems Each chapter of this contributed work has been authored by a recognized expert. This is an excellent textbook for graduate and advanced undergraduate students in electrical engineering, computer engineering, and computer science, as well as a must-have reference that will help engineers, programmers, and technologists develop systems that are secure and reliable.

Safety Aspects of Computer Control

Phil Bennett
Safety Aspects of Computer Control Book PDF

Author : Phil Bennett
Publisher : Butterworth-Heinemann
Page : 260 pages
File Size : 44,7 Mb
Release : 2014-05-15
Category : Technology & Engineering
ISBN : 9781483144863

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Safety Aspects of Computer Control by Phil Bennett Pdf

Safety Aspects of Computer Control focuses on the increased usage of computers and safety procedures for the control of their applications. The selection first elaborates on software in safety-related systems, regulatory issues, and legal liability. Topics cover product liability, liability under the contract law, liability under the law of negligence, methods of ensuring safety, some aspects of regulation of software safety, purpose and principles of regulation, and direct regulation. The book then examines standardization efforts worldwide; real-time software requirements specification and animation using extended Petri nets; and independent software verification and validation in practice. Discussions focus on verification and validation principles, organizational principles, specification language, extended Petri nets environment, history of software standards, and standardization work realized through ISO or IEC. The manuscript takes a look at design and licensing of safety-related software, fault-tolerant control for safety, and use and relevance for the development of safety-critical systems. Concerns include formal methods in the safety-critical systems life cycle, random and systematic failures, hardware and systematic failures, and software quality standards. The book is highly recommended for computer science experts and researchers interested in the safety aspects of computer control.