Directions In Safety Critical Systems

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Directions in Safety-Critical Systems

Felix Redmill,Tom Anderson
Directions in Safety Critical Systems Book PDF

Author : Felix Redmill,Tom Anderson
Publisher : Springer Science & Business Media
Page : 290 pages
File Size : 51,6 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9781447120377

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Directions in Safety-Critical Systems by Felix Redmill,Tom Anderson Pdf

0 e This is the proceedings of the first annual symposium of the Safety-critical Systems Club (The Watershed Media Centre, Bristol, 9-11 February 1993), which provided a forum for exploring and discussing ways of achieving safety in computer systems to be used in safety-critical industrial applications. The book is divided into three parts, which correspond with the themes of the three days of the symposium. The first - Experience from Around Europe - brings together information on developments in safety-critical systems outside the UK. The second - Current Research - consists of papers on large projects within the UK, which involve collaboration between academia and industry, providing techniques and methods to enhance safety. The final part - Achieving and Evaluating Safety - explores how methods already in use in other domains may be applied to safety, and examines the relationships between safety and other attributes such as quality and security. The papers identify the current problems and issues of interest in the field of safety-critical software-based systems, and provide valuable up-to-date material for those in both academia and industry. The academic will benefit from information about current research complimentary to his own, and the industrialist will learn of the technologies which will soon be available and where to find them.

Technology and Assessment of Safety-Critical Systems

Felix Redmill,Tom Anderson
Technology and Assessment of Safety Critical Systems Book PDF

Author : Felix Redmill,Tom Anderson
Publisher : Springer Science & Business Media
Page : 267 pages
File Size : 50,6 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9781447120827

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Technology and Assessment of Safety-Critical Systems by Felix Redmill,Tom Anderson Pdf

The programme for the Second Safety-critical Systems Symposium was planned to examine the various aspects of technology currently employed in the design of safety-critical systems, as well as to emphasise the importance of safety and risk management in their design and operation. assessment There is an even balance of contributions from academia and industry. Thus, industry is given the opportunity to express its views of the safety-critical domain and at the same time offered a glimpse of the technologies which are currently under development and which, if successful, will be available in the medium-term future. In the field of technology, a subject whose importance is increasingly being recognised is human factors, and there are papers on this from the University of Hertfordshire and Rolls-Royce. Increasingly, PLCs are being employed in safety-critical applications, and this domain is represented by contributions from Nuclear Electric and August Computers. Then there are papers on maintainability, Ada, reverse engineering, social issues, formal methods, and medical systems, all in the context of safety. And, of course, it is not possible to keep the 'new' technologies out of the safety-critical domain: there are papers on neural networks from the University of Exeter and knowledge-based systems from ERA Technology.

Industrial Perspectives of Safety-critical Systems

Felix Redmill,Tom Anderson
Industrial Perspectives of Safety critical Systems Book PDF

Author : Felix Redmill,Tom Anderson
Publisher : Springer Science & Business Media
Page : 243 pages
File Size : 47,8 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9781447115342

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Industrial Perspectives of Safety-critical Systems by Felix Redmill,Tom Anderson Pdf

This book contains the Proceedings of the 6th Safety-critical Systems Sympo sium, the theme of which is Industrial Perspectives. In accordance with the theme, all of the chapters have been contributed by authors having an industrial af filiation. The first two chapters reflect half-day tutorials - Managing a Safety-critical System Development Project and Principles of Safety Management - held on the first day of the event, and the following 15 are contributed by the presenters of papers on the next two days. Following the tutorials, the chapters fa~l into five sub-themes - the session titles at the Symposium. In the first of these, on 'Software Development Tech nology', Trevor Cockram and others report on the industrial application of a requirements traceability model, Paul Bennett on configuration management in safety-critical systems, and Brian Wichmann on Ada. The next 5 chapters are on 'Safety Management'. In the safety domain, the fundamental business of management is increasingly being addressed with respect not merely to getting things done, but also to controlling the processes by which they are done, the risks involved, and the need not only to achieve safety but to demonstrate that it has been achieved. In this context, Gustaf Myhrman reveals recent developments for safer systems in the Swedish De fence, and Shoky Visram reports on the management of safety within a large and complex Air Traffic Control project.

Safety-Critical Systems: The Convergence of High Tech and Human Factors

Felix Redmill,Tom Anderson
Safety Critical Systems The Convergence of High Tech and Human Factors Book PDF

Author : Felix Redmill,Tom Anderson
Publisher : Springer Science & Business Media
Page : 294 pages
File Size : 44,8 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9781447114802

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Safety-Critical Systems: The Convergence of High Tech and Human Factors by Felix Redmill,Tom Anderson Pdf

Safety-critical systems, in the sense of software-based systems used in safety critical applications, are 'high-tech'. They are products of modern technology. Their effective, efficient and safe functioning depends not only on the devel opment of the right technologies but also on the right use of them. The safety of a system may be compromised not only by faults in the system but also by the use in the first place of an unreliable, unsafe, or unproved technology in its development. The key to the development and use of both technologies and systems is the human being. Until recently, the importance of human involvement, other than at the direct operational level, was hardly admitted. But now the unreliability of humans is recognised, as is the potential for latent faults to be introduced into systems at any point in their life cycles, by all who are in volved with them, including designers and strategic decision makers.

Design and Safety Assessment of Critical Systems

Marco Bozzano,Adolfo Villafiorita
Design and Safety Assessment of Critical Systems Book PDF

Author : Marco Bozzano,Adolfo Villafiorita
Publisher : CRC Press
Page : 288 pages
File Size : 54,5 Mb
Release : 2010-11-12
Category : Computers
ISBN : 9781439803325

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Design and Safety Assessment of Critical Systems by Marco Bozzano,Adolfo Villafiorita Pdf

Safety-critical systems, by definition those systems whose failure can cause catastrophic results for people, the environment, and the economy, are becoming increasingly complex both in their functionality and their interactions with the environment. Unfortunately, safety assessments are still largely done manually, a time-consuming and error-prone

The Safety Critical Systems Handbook

David J. Smith,Kenneth G. L. Simpson
The Safety Critical Systems Handbook Book PDF

Author : David J. Smith,Kenneth G. L. Simpson
Publisher : Butterworth-Heinemann
Page : 330 pages
File Size : 54,6 Mb
Release : 2016-08-04
Category : Technology & Engineering
ISBN : 9780081008973

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The Safety Critical Systems Handbook by David J. Smith,Kenneth G. L. Simpson Pdf

The Safety Critical Systems Handbook: A Straightforward Guide to Functional Safety: IEC 61508 (2010 Edition), IEC 61511 (2016 Edition) & Related Guidance, Fourth Edition, presents the latest on the electrical, electronic, and programmable electronic systems that provide safety functions that guard workers and the public against injury or death, and the environment against pollution. The international functional safety standard IEC 61508 was revised in 2010, and authors David Smith and Kenneth Simpson provide a comprehensive guide to the revised standard, as well as the revised IEC 61511 (2016). The book enables engineers to determine if a proposed or existing piece of equipment meets the safety integrity levels (SIL) required by the various standards and guidance, and also describes the requirements for the new alternative route (route 2H), introduced in 2010. A number of other areas have been updated by Smith and Simpson in this new edition, including the estimation of common cause failure, calculation of PFDs and failure rates for redundant configurations, societal risk, and additional second tier guidance documents. As functional safety is applicable to many industries, this book will have a wide readership beyond the chemical and process sector, including oil and gas, machinery, power generation, nuclear, aircraft, and automotive industries, plus project, instrumentation, design, and control engineers. Provides the only comprehensive guide to IEC 61508, updated to cover the 2010 amendments, that will ensure engineers are compliant with the latest process safety systems design and operation standards Addresses the 2016 updates to IEC 61511 to helps readers understand the processes required to apply safety critical systems standards and guidance Presents a real-world approach that helps users interpret new standards, with case studies and best practice design examples throughout

Formal Techniques for Safety-Critical Systems

Cyrille Artho,Peter Csaba Ölveczky
Formal Techniques for Safety Critical Systems Book PDF

Author : Cyrille Artho,Peter Csaba Ölveczky
Publisher : Springer
Page : 257 pages
File Size : 52,6 Mb
Release : 2015-04-15
Category : Computers
ISBN : 9783319175812

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Formal Techniques for Safety-Critical Systems by Cyrille Artho,Peter Csaba Ölveczky Pdf

This book constitutes the refereed proceedings of the Third International Workshop on Formal Techniques for Safety-Critical Systems, FTSCS 2014, held in Luxembourg, in November 2014. The 14 revised full papers presented together with two invited talks were carefully reviewed and selected from 40 submissions. The papers address various topics related to the application of formal and semi-formal methods to improve the quality of safety-critical computer systems.

Development of Safety-Critical Systems

Gopinath Karmakar,Amol Wakankar,Ashutosh Kabra,Paritosh Pandya
Development of Safety Critical Systems Book PDF

Author : Gopinath Karmakar,Amol Wakankar,Ashutosh Kabra,Paritosh Pandya
Publisher : Springer Nature
Page : 373 pages
File Size : 54,9 Mb
Release : 2023-10-09
Category : Computers
ISBN : 9783031279010

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Development of Safety-Critical Systems by Gopinath Karmakar,Amol Wakankar,Ashutosh Kabra,Paritosh Pandya Pdf

This book provides professionals and students with practical guidance for the development of safety-critical computer-based systems. It covers important aspects ranging from complying with standards and guidelines to the necessary software development process and tools, and also techniques pertaining to model-based application development platforms as well as qualified programmable controllers. After a general introduction to the book’s topic in chapter 1, chapter 2 discusses dependability aspects of safety systems and how architectural design at the system level helps deal with failures and yet achieves the targeted dependability attributes. Chapter 3 presents the software development process which includes verification and validation at every stage, essential to the development of software for systems performing safety functions. It also explains how the process helps in developing a safety case that can be independently verified and validated. The subsequent chapter 4 presents some important standards and guidelines, which apply to different industries and in different countries. Chapter 5 then discusses the steps towards complying with the standards at every phase of development. It offers a guided tour traversing the path of software qualification by exploring the necessary steps towards achieving the goal with the help of case studies. Chapter 6 highlights the application of formal methods for the development of safety systems software and introduces some available notations and tools which assist the process. Finally, chapter 7 presents a detailed discussion on the importance and the advantages of qualified platforms for safety systems application development, including programmable controller (PLC) and formal model-based development platforms. Each chapter includes case studies illustrating the subject matter. The book is aimed at both practitioners and students interested in the art and science of developing computer-based systems for safety-critical applications. Both audiences will get insights into the tools and techniques along with the latest developments in the design, analysis and qualification, which are constrained by the regulatory and compliance requirements mandated by the applicable guides and standards. It also addresses the needs of professionals and young graduates who specialize in the development of necessary tools and qualified platforms.

The Safety Critical Systems Handbook

David J. Smith,Kenneth G. L. Simpson
The Safety Critical Systems Handbook Book PDF

Author : David J. Smith,Kenneth G. L. Simpson
Publisher : Butterworth-Heinemann
Page : 362 pages
File Size : 47,6 Mb
Release : 2020-01-15
Category : Technology & Engineering
ISBN : 9780128202593

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The Safety Critical Systems Handbook by David J. Smith,Kenneth G. L. Simpson Pdf

The Safety Critical Systems Handbook: A Straightforward Guide to Functional Safety: IEC 61508 (2010 Edition), IEC 61511 (2015 Edition) and Related Guidance, Fifth Edition presents the latest guidance on safety-related systems that guard workers and the public against injury and death, also discussing environmental risks. This comprehensive resource has been fully revised, with additional material on risk assessment, cybersecurity, COMAH and HAZID, published guidance documents/standards, quantified risk assessment and new worked examples. The book provides a comprehensive guide to the revised IEC 61508 standard as well as the 2016 IEC 61511. This book will have a wide readership, not only in the chemical and process industries, but in oil and gas, power generation, avionics, automotive, manufacturing and other sectors. It is aimed at most engineers, including those in project, control and instrumentation, design and maintenance disciplines. Provides the only comprehensive guide to IEC 61508 and 61511 (updated for 2016) that ensures engineers are compliant with the latest process safety systems design and operation standards Presents a real-world approach that helps users interpret the standard, with new case studies and best practice design examples using revised standards Covers applications of the standard to device design

Practical Elements of Safety

Felix Redmill,Tom Anderson
Practical Elements of Safety Book PDF

Author : Felix Redmill,Tom Anderson
Publisher : Springer Science & Business Media
Page : 242 pages
File Size : 43,9 Mb
Release : 2012-12-06
Category : Business & Economics
ISBN : 9780857294081

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Practical Elements of Safety by Felix Redmill,Tom Anderson Pdf

Practical Elements of Safety contains the invited papers presented at the Twelfth annual Safety-critical Systems Symposium, held at Birmingham, UK in February 2004. The papers included in this volume focus on the themes of the identification and analysis of risk - using the UK railway as an industry example; safety-integrity levels; industrial use of formal methods; as well as expanding on the development, assessment and changing face of current safety issues. All the papers are linked within the broad context of safety-critical systems actvities and offer a practical perspective. Papers contain industrial experience, as well as academic research, and are presented under the headings of: Mature and Practical Formality, Managing Risk in the Railway Industry, Safety Integrity Levels, the Human Side of Risk, Assessment and the Derivation of Evidence, and Safety Argument and the Law.

Adaptive and Learning-Based Control of Safety-Critical Systems

Max Cohen,Calin Belta
Adaptive and Learning Based Control of Safety Critical Systems Book PDF

Author : Max Cohen,Calin Belta
Publisher : Springer Nature
Page : 209 pages
File Size : 40,7 Mb
Release : 2023-06-16
Category : Technology & Engineering
ISBN : 9783031293108

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Adaptive and Learning-Based Control of Safety-Critical Systems by Max Cohen,Calin Belta Pdf

This book stems from the growing use of learning-based techniques, such as reinforcement learning and adaptive control, in the control of autonomous and safety-critical systems. Safety is critical to many applications, such as autonomous driving, air traffic control, and robotics. As these learning-enabled technologies become more prevalent in the control of autonomous systems, it becomes increasingly important to ensure that such systems are safe. To address these challenges, the authors provide a self-contained treatment of learning-based control techniques with rigorous guarantees of stability and safety. This book contains recent results on provably correct control techniques from specifications that go beyond safety and stability, such as temporal logic formulas. The authors bring together control theory, optimization, machine learning, and formal methods and present worked-out examples and extensive simulation examples to complement the mathematical style of presentation. Prerequisites are minimal, and the underlying ideas are accessible to readers with only a brief background in control-theoretic ideas, such as Lyapunov stability theory.

Reliability of Safety-Critical Systems

Marvin Rausand
Reliability of Safety Critical Systems Book PDF

Author : Marvin Rausand
Publisher : John Wiley & Sons
Page : 356 pages
File Size : 51,9 Mb
Release : 2014-03-03
Category : Technology & Engineering
ISBN : 9781118553381

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Reliability of Safety-Critical Systems by Marvin Rausand Pdf

Presents the theory and methodology for reliability assessments of safety-critical functions through examples from a wide range of applications Reliability of Safety-Critical Systems: Theory and Applications provides a comprehensive introduction to reliability assessments of safety-related systems based on electrical, electronic, and programmable electronic (E/E/PE) technology. With a focus on the design and development phases of safety-critical systems, the book presents theory and methods required to document compliance with IEC 61508 and the associated sector-specific standards. Combining theory and practical applications, Reliability of Safety-Critical Systems: Theory and Applications implements key safety-related strategies and methods to meet quantitative safety integrity requirements. In addition, the book details a variety of reliability analysis methods that are needed during all stages of a safety-critical system, beginning with specification and design and advancing to operations, maintenance, and modification control. The key categories of safety life-cycle phases are featured, including strategies for the allocation of reliability performance requirements; assessment methods in relation to design; and reliability quantification in relation to operation and maintenance. Issues and benefits that arise from complex modern technology developments are featured, as well as: Real-world examples from large industry facilities with major accident potential and products owned by the general public such as cars and tools Plentiful worked examples throughout that provide readers with a deeper understanding of the core concepts and aid in the analysis and solution of common issues when assessing all facets of safety-critical systems Approaches that work on a wide scope of applications and can be applied to the analysis of any safety-critical system A brief appendix of probability theory for reference With an emphasis on how safety-critical functions are introduced into systems and facilities to prevent or mitigate the impact of an accident, this book is an excellent guide for professionals, consultants, and operators of safety-critical systems who carry out practical, risk, and reliability assessments of safety-critical systems. Reliability of Safety-Critical Systems: Theory and Applications is also a useful textbook for courses in reliability assessment of safety-critical systems and reliability engineering at the graduate-level, as well as for consulting companies offering short courses in reliability assessment of safety-critical systems.

Embedded Software Development for Safety-Critical Systems

Chris Hobbs
Embedded Software Development for Safety Critical Systems Book PDF

Author : Chris Hobbs
Publisher : CRC Press
Page : 344 pages
File Size : 44,7 Mb
Release : 2017-09-07
Category : Computers
ISBN : 9781351688949

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Embedded Software Development for Safety-Critical Systems by Chris Hobbs Pdf

"I highly recommend Mr. Hobbs' book." - Stephen Thomas, PE, Founder and Editor of FunctionalSafetyEngineer.com Safety-critical devices, whether medical, automotive, or industrial, are increasingly dependent on the correct operation of sophisticated software. Many standards have appeared in the last decade on how such systems should be designed and built. Developers, who previously only had to know how to program devices for their industry, must now understand remarkably esoteric development practices and be prepared to justify their work to external auditors. Embedded Software Development for Safety-Critical Systems discusses the development of safety-critical systems under the following standards: IEC 61508; ISO 26262; EN 50128; and IEC 62304. It details the advantages and disadvantages of many architectural and design practices recommended in the standards, ranging from replication and diversification, through anomaly detection to the so-called "safety bag" systems. Reviewing the use of open-source components in safety-critical systems, this book has evolved from a course text used by QNX Software Systems for a training module on building embedded software for safety-critical devices, including medical devices, railway systems, industrial systems, and driver assistance devices in cars. Although the book describes open-source tools for the most part, it also provides enough information for you to seek out commercial vendors if that’s the route you decide to pursue. All of the techniques described in this book may be further explored through hundreds of learned articles. In order to provide you with a way in, the author supplies references he has found helpful as a working software developer. Most of these references are available to download for free.

Embedded Software Development for Safety-Critical Systems, Second Edition

Chris Hobbs
Embedded Software Development for Safety Critical Systems Second Edition Book PDF

Author : Chris Hobbs
Publisher : CRC Press
Page : 329 pages
File Size : 54,5 Mb
Release : 2019-08-16
Category : Computers
ISBN : 9781000507331

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Embedded Software Development for Safety-Critical Systems, Second Edition by Chris Hobbs Pdf

This is a book about the development of dependable, embedded software. It is for systems designers, implementers, and verifiers who are experienced in general embedded software development, but who are now facing the prospect of delivering a software-based system for a safety-critical application. It is aimed at those creating a product that must satisfy one or more of the international standards relating to safety-critical applications, including IEC 61508, ISO 26262, EN 50128, EN 50657, IEC 62304, or related standards. Of the first edition, Stephen Thomas, PE, Founder and Editor of FunctionalSafetyEngineer.com said, "I highly recommend Mr. Hobbs' book."

Computer Control and Human Error

Trevor Kletz
Computer Control and Human Error Book PDF

Author : Trevor Kletz
Publisher : Gulf Professional Publishing
Page : 132 pages
File Size : 49,5 Mb
Release : 1995-09-18
Category : Technology & Engineering
ISBN : 0080529739

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Computer Control and Human Error by Trevor Kletz Pdf

Computer Control and Human Error presents accounts of various incidents at computer-controlled plants. These incidents include equipment and software faults; treating the computer as a "black box"; misjudging the way operators respond to the computer; errors in the data entry; failure to inform operators of changes in data or programs; and unauthorized interference with peripheral equipment. The discussion then turns to the use of hazard and operability studies (Hazops) to prevent or reduce errors in computer-controlled plants. The book describes the conventional Hazop as used in the process industry and an overview of the different Chazop frameworks/guidelines suggested by engineers and researchers. It then presents new Chazop methodology which is based on incident analysis. The final chapter presents reasons for failures in computerized systems, each of which is illustrated with an example. Most of the examples did not cause an actual safety problem, simply because they occurred within systems that are not safety-related. Some of these examples appear in the literature; others are from personal experience or from private communications.