By Marvin Rausand
Presents the speculation and method for reliability tests of safety-critical features via examples from a variety of applications
Reliability of Safety-Critical structures: conception and functions provides a accomplished advent to reliability checks of safety-related structures according to electric, digital, and programmable digital (E/E/PE) know-how. With a spotlight at the layout and improvement levels of safety-critical platforms, the e-book provides conception and strategies required to record compliance with IEC 61508 and the linked sector-specific standards.
Combining idea and sensible functions, Reliability of Safety-Critical structures: idea and purposes implements key safety-related ideas and techniques to fulfill quantitative security integrity specifications. furthermore, the publication info various reliability research tools which are wanted in the course of all levels of a safety-critical approach, starting with specification and layout and advancing to operations, upkeep, and amendment keep watch over. the main different types of protection life-cycle levels are featured, together with recommendations for the allocation of reliability functionality requisites; overview equipment when it comes to layout; and reliability quantification on the subject of operation and upkeep. matters and merits that come up from advanced smooth know-how advancements are featured, besides as:
- Real-world examples from huge amenities with significant twist of fate capability and items owned by way of most of the people similar to automobiles and tools
- Plentiful labored examples all through that supply readers with a deeper figuring out of the center innovations and reduction within the research and answer of universal matters whilst assessing all aspects of safety-critical systems
- Approaches that paintings on a large scope of purposes and will be utilized to the research of any safety-critical system
- A short appendix of likelihood thought for reference
With an emphasis on how safety-critical services are brought into structures and amenities to avoid or mitigate the impression of an coincidence, this ebook is a superb advisor for pros, specialists, and operators of safety-critical structures who perform sensible, possibility, and reliability checks of safety-critical structures. Reliability of Safety-Critical platforms: concept and purposes is additionally an invaluable textbook for classes in reliability evaluation of safety-critical platforms and reliability engineering on the graduate-level, in addition to for consulting businesses supplying brief classes in reliability evaluation of safety-critical systems.
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Extra info for Reliability of Safety-Critical Systems: Theory and Applications
2 Main processor —» Output module 1 1 1 1 1 1 1 Elements of a channel. a range of elements, and a lot of software. The term element is the lowest level of indenture that is considered in this book. 1. Similar channels with the same function are often called a voted group. 1, the sensor subsystem has two voted groups: one voted group with three pressure sensor channels and one voted group with two temperature switch channels. When using the term voted group, it is, in most cases, presupposed that the channels of the voted group are identical.
Although the focus is on the reliability of a SIS, most of the methods presented in the book are also relevant for safety systems based on other technologies, such as mechanical, hydraulic, and/or pneumatic devices. 3 Delimitation The book is limited to reliability analysis of the hardware of SISs. Software, human, and organizational issues are not treated in the book. The operational phase of a SIS is not addressed in any detail in this book. In this phase, the system operator (called the end-user in this book) has to verify that the required reliability of the SIS is maintained by testing, maintenance, modifications, and updating of reliability analyses.
The reasons why software reliability is not treated in the book are twofold: (1) quantitative software reliability analyses are not required to claim compliance with IEC 61508, and (2) software reliability assessments are usually done by software specialists and not by traditional system reliability engineers, who are the intended readers of this book. 4 The Importance of Functional Safety Every day, people are injured and killed, large material and financial assets are lost, and the environment is polluted because of failures of safety-critical systems and 12 INTRODUCTION lack of functional safety.
Reliability of Safety-Critical Systems: Theory and Applications by Marvin Rausand