Functional Safety For Embedded Systems
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Functional Safety For Embedded Systems
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Author : Guoqi Xie
language : en
Publisher: CRC Press
Release Date : 2023-06-28
Functional Safety For Embedded Systems written by Guoqi Xie and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-28 with Computers categories.
This book uses automotive embedded systems as an example to introduce functional safety assurance and safety-aware cost optimization. The book explores functional safety assurance from the perspectives of verification, enhancement, and validation. The functional safety assurance methods implement a safe and efficient assurance system that integrates safety verification, enhancement, and validation. The assurance methods offered in this book could provide a reasonable and scientific theoretical basis for the subsequent formulation of automotive functional safety standards. The safety-aware cost optimization methods divide cost types according to the essential differences of various costs in system design and establish reasonable models based on different costs. The cost optimization methods provided in this book could give appropriate cost optimization solutions for the cost-sensitive automotive industry, thereby achieving effective cost management and control. Functional safety assurance methods and safety-aware cost optimization support each other and jointly build the architecture of functional safety design methodologies for automotive embedded systems. The work aspires to provide a relevant reference for students, researchers, engineers, and professionals working in this area or those interested in hardware cost optimization and development cost optimization design methods based on ensuring functional safety in general.
Embedded Software Development For Safety Critical Systems
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Author : Chris Hobbs
language : en
Publisher: CRC Press
Release Date : 2017-09-07
Embedded Software Development For Safety Critical Systems written by Chris Hobbs and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-07 with Computers categories.
"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
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Author : Chris Hobbs
language : en
Publisher: CRC Press
Release Date : 2019-08-16
Embedded Software Development For Safety Critical Systems Second Edition written by Chris Hobbs and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-16 with Computers categories.
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."
The Safety Critical Systems Handbook
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Author : David J. Smith
language : en
Publisher: Butterworth-Heinemann
Release Date : 2016-08-04
The Safety Critical Systems Handbook written by David J. Smith and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-04 with Technology & Engineering categories.
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
Software Engineering For Embedded Systems
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Author : Inga Harris
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-04-01
Software Engineering For Embedded Systems written by Inga Harris and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-01 with Technology & Engineering categories.
This chapter introduces the automotive system, which is unlike any other, characterized by its rigorous planning, architecting, development, testing, validation and verification. The physical task of writing embedded software for automotive applications versus other application areas is not significantly different from other embedded systems, but the key differences are the quality standards which must be followed for any development and test project. To write automotive software the engineer needs to understand how and why the systems have evolved into the complex environment it is today. They must be aware of the differences and commonalties between the automotive submarkets. They must be familiar with the applicable quality standards and why such strict quality controls exist, along with how quality is tested and measured, all of which are described in this chapter with examples of the most common practices. This chapter introduces various processes to help software engineers write high-quality, fault-tolerant, interoperable code such as modeling, autocoding and advanced trace and debug assisted by the emergence of the latest AUTOSAR and ISO26262 standards, as well as more traditional standards such as AEC, OBD-II and MISRA.
Formal Development Of A Network Centric Rtos
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Author : Eric Verhulst
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-08-23
Formal Development Of A Network Centric Rtos written by Eric Verhulst and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-23 with Technology & Engineering categories.
Many systems, devices and appliances used routinely in everyday life, ranging from cell phones to cars, contain significant amounts of software that is not directly visible to the user and is therefore called "embedded". For coordinating the various software components and allowing them to communicate with each other, support software is needed, called an operating system (OS). Because embedded software must function in real time (RT), a RTOS is needed. This book describes a formally developed, network-centric Real-Time Operating System, OpenComRTOS. One of the first in its kind, OpenComRTOS was originally developed to verify the usefulness of formal methods in the context of embedded software engineering. Using the formal methods described in this book produces results that are more reliable while delivering higher performance. The result is a unique real-time concurrent programming system that supports heterogeneous systems with just 5 Kbytes/node. It is compatible with safety related engineering standards, such as IEC61508.
Mission Critical And Safety Critical Systems Handbook
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Author : Kim Fowler
language : en
Publisher: Newnes
Release Date : 2009-11-19
Mission Critical And Safety Critical Systems Handbook written by Kim Fowler and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-11-19 with Technology & Engineering categories.
This handbook provides a consolidated, comprehensive information resource for engineers working with mission and safety critical systems. Principles, regulations, and processes common to all critical design projects are introduced in the opening chapters. Expert contributors then offer development models, process templates, and documentation guidelines from their own core critical applications fields: medical, aerospace, and military. Readers will gain in-depth knowledge of how to avoid common pitfalls and meet even the strictest certification standards. Particular emphasis is placed on best practices, design tradeoffs, and testing procedures. *Comprehensive coverage of all key concerns for designers of critical systems including standards compliance, verification and validation, and design tradeoffs *Real-world case studies contained within these pages provide insight from experience
Software Engineering For Embedded Systems
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Author : Mark Kraeling
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-04-01
Software Engineering For Embedded Systems written by Mark Kraeling and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-01 with Technology & Engineering categories.
In this chapter, we cover the aspects of developing safety-critical software. The first part of the chapter covers project planning, and the crucial steps that are needed to scope the effort and getting started. It offers insights into managing safety-critical requirements and how to meet them during the development. Key strategies for project management are also provided. The second part of the chapter goes through an analysis of faults, failures, and hazards. It includes a description of risk analysis. The next part of the chapter covers a few safety-critical architectures that could be used for an embedded system. The final part of the chapter covers software implementation guidelines for safety-critical software development.
Cesar Cost Efficient Methods And Processes For Safety Relevant Embedded Systems
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Author : Ajitha Rajan
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-25
Cesar Cost Efficient Methods And Processes For Safety Relevant Embedded Systems written by Ajitha Rajan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-25 with Technology & Engineering categories.
The book summarizes the findings and contributions of the European ARTEMIS project, CESAR, for improving and enabling interoperability of methods, tools, and processes to meet the demands in embedded systems development across four domains - avionics, automotive, automation, and rail. The contributions give insight to an improved engineering and safety process life-cycle for the development of safety critical systems. They present new concept of engineering tools integration platform to improve the development of safety critical embedded systems and illustrate capacity of this framework for end-user instantiation to specific domain needs and processes. They also advance state-of-the-art in component-based development as well as component and system validation and verification, with tool support. And finally they describe industry relevant evaluated processes and methods especially designed for the embedded systems sector as well as easy adoptable common interoperability principles for software tool integration.
Modeling And Analysis Of Embedded Real Time Systems In The Automotive Safety Domain
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Author : Christoph Lauer
language : de
Publisher: Cuvillier Verlag
Release Date : 2023-06-28
Modeling And Analysis Of Embedded Real Time Systems In The Automotive Safety Domain written by Christoph Lauer and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-28 with Technology & Engineering categories.
Die Elektronik und die Informatik wird in den nächsten Jahrzehnten einen immer höheren Stellenwert im Bereich der Fahrzeugsicherheit einnehmen. Neue Sensoren zur Umweltwahrnehmung werden die Fahrzeuge in die Lage versetzen angemessen auf die aktuelle Verkehrssituation zu reagieren. Es wird erwartet, dass aktive Sicherheitssysteme, wie beispielsweise die automatische Notbremsung, Fußgänger- und Radfahrererkennung und Funktionen zur Unfallvermeidung, die Anzahl tödlicher Verkehrsunfälle weiter zurückgehen lassen werden. Dabei besteht die Herausforderung darin, die neuen Sicherheitsfunktionen in ein System zu integrieren, dass bereits heute hochkomplex und vernetzt ist. Entstehen werden Echtzeitsysteme, die aus hochintegrierten Subsystemen bestehen werden. In dieser Dissertation werden Methoden entwickelt, um die Auslegung derartiger Steuergeräte in frühen Entwicklungsphasen abzusichern. Mithilfe von Modelltransformationen sowie simulativer und formaler Methoden werden verschiedene Architekturkonzepte aus den Perspektiven effektiver Umfeldwahrnehmung, funktionaler Sicherheit und Echtzeitfähigkeit betrachtet und bewertet. Von besonderer Bedeutung sind hierbei die Echtzeiteigenschaften der Softwareanteile der Sicherheitsfunktionen. Alle entwickelten Methoden wurden im Rahmen einer Forschungskooperation zwischen der Universität Erlangen-Nürnberg und der AUDI AG angewendet. Folgende Erkenntnisse konnten unter Anderem gewonnen werden: • Die Fusion von Objektlisten verschiedenartiger Sensoren ist aus Kosten-Nutzen-Sicht zu bevorzugen. • Modellbasierte Sicherheitsanalysen bieten sich insbesondere in frühen Entwicklungsphasen an, den Entwicklungsprozess zu unterstützen. • Für die Echtzeitanalyse von Steuergeräten sind exakte Algorithmen erforderlich, die in der Lage sind die kritischen Systemzustände zu visualisieren. • Die Simulation der Softwaretasks ist ein wichtiger Bestandteil der Analyse und ist erforderlich, um die dynamischen Effekte des Systems zu verstehen, sowie die Relevanz der kritischen Systemzustände einschätzen zu können. • Der Ansatz der modellgetriebenen Entwicklung ist besonders praktikabel in frühen Phasen der Systementwicklung, wenn man die Verallgemeinerung der Erkenntnisse unter Berücksichtigung des Abstraktionsgrades der Systemmodelle und der Eingabeparametermodelle durchführt. Durch die durchgeführten Analysen wurden Jahre vor der Serienproduktion, und Monate bevor erste Entwicklungsmuster zur Verfügung standen, an verschiedenen Stellen Engpässe in der Leistungsfähigkeit der Architekturkonzepte gefunden. Aufgrund der guten Zusammenarbeit zwischen OEM, Lieferant und Wissenschaft wurden neue Entwicklungsprozesse ins Leben gerufen und implementiert. Sowohl momentane als auch zukünftige Sicherheitssysteme profitieren von den entwickelten Methoden und werden die Basis bieten können um effiziente und effektive Funktionen der Fahrzeugsicherheit umsetzen zu können.