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IEC 61508 is an international standard that deals with the safety of electrical, electronic and programmable electronic systems. The standard is applicable to a wide range of industries, including the automotive, aerospace, rail, medical, energy and process industries. As IEC 61508 has spawned many derived industry-specific standards, it is worthwhile...
It is now clear that artificial intelligence (AI) will play a major role in the coming years. Accordingly, many groups - and nations - are striving to dominate AI or play a key role in shaping it. This also includes approaches for a uniform legal framework. This brings us to the subject of compliance, an important topic for systems engineering. In...
Fault Tree Analysis (FTA) is a tool in systems engineering that supports the assurance of functional safety.
FMEA stands for Failure Mode and Effects Analysis. During development, an FMEA ensures that the reliability of the product is acceptable. As a systems engineer, the FMEA is part of our toolbox. I will describe exactly how it works below.
"Tamper-proof" components are nothing new. Back in the 90s, many owners of inkjet printers felt offended when manufacturers began equipping cartridges with chips that prevented refilling. Today, iPhone owners are annoyed by warning messages about a potentially faulty battery. At the same time, however, we now carry out our banking transactions on our smartphones without a care in the world. This...
There are a few standards you can't avoid in systems engineering, such as ISO 15288. Here are other related standards.
The Safety Integrity Level (SIL) is important for functional safety and is required by standards such as ISO 61508.
Reviews are enormously effective and ultimately inexpensive. These 5 reviews help to develop good practice.
Traceability is undoubtedly an important concept in systems engineering. In many cases, traceability is even prescribed, especially in the context of functional safety. However, the quality of traceability is rarely questioned (except perhaps in an audit) and even more rarely is it actively used in development. This is a problem, because without quality...
In systems engineering, we differentiate between functional safety and intrusion or IT security. In the past, security often had a lower priority and was sometimes completely neglected. With the introduction of more and more software into systems, security has become an urgent problem. If we don't get security under control, we have a big problem.
Systems engineering at SpaceX works differently than anywhere else. What we can learn from this in systems engineering.
To answer the question in the title straight away: Traceability from requirement to code is of course possible. But the effort involved is considerable. When this makes sense and how it can be implemented is the subject of this article.
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