Titlebook: Systems, Functions and Safety; A Flipped Approach t Milan Z. Bjelica Textbook 2023 The Editor(s) (if applicable) and The Author(s), under e

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Milan Z. BjelicaProvides students with essentials of safety for technical systems, the most common pitfalls, concepts and techniques.Covers concepts from system and requirements engineering and their connection to sa

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stem and requirements engineering and their connection to sa.This textbook provides up-to-date content in the fields of system engineering, system safety and functional safety, with up-to-date examples from the automotive, industrial and aerospace domains, with respect to the growing complexity of t

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Safety Integrity Improvement Methods,andards (e.g., reliability required for a certain ASIL). In this chapter, we discuss various methods which are at our disposal to improve the safety integrity of our safety designs. Some of the methods we would analyze include burn-in testing, component derating, respecification, static and dynamic redundancy, and component diversification.

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System Requirements and Functions,o be performed. The field of requirements engineering is, unfortunately, neglected in many projects, and the requirements are looked at as being “the necessary evil” and the afterthought in the sense of filling up paperwork for audits. In this chapter, we would demystify the role of requirements and

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System Safety,nd their associated risk. Each hazard may lead to an incident or an accident. The risk associated with each hazard can and needs to be assessed and quantified. In this chapter, we would lay out a procedure for assessing hazards, quantifying risk, and iterating the design until the hazards are remove

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System Safety Process,om the start in a proactive way, instead of a reactive approach where fixes are only applied following the recorded incidents or accidents. Being proactive about safety is an essential consideration in system safety engineering today. This chapter introduces the required ground for having safety con

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Functional Safety,s with the definition and assessment of a safety subsystem implementing safety functions. Safety functions are used to detect errors or other anomalies in the system operation and act by bringing the system to the safe state in which harm or damage can no longer occur (e.g., cutting off the power, a

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Defining Safety Functions,ea. Various functional safety standards provide steps that are necessary to be followed in order to define safety functions correctly. The process starts from the conceptualization of the system, in which the system scope is defined including system definition, system delineation, the definition of

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Safety Integrity and Random Failures,l safety, each safety function that is defined needs to comply with the safety integrity requirements, which are based on the safety integrity level allocated to the safety function following the hazard analysis and risk assessment. This chapter lays out typical safety integrity requirements, concer