Englische Blogs

ISO26262: Freedom of interference – What is that?

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There are four essential measures in the development of safety-critical systems. Design of safe systems Measures to minimize random hardware errors Measures to minimize systematic hardware and software errors Organizational measures (management of functional safety) Particularly in the design of safe systems, the principle of Freedom of interference is a powerful measure. What’s this? The […]

DO178 eng

DO-178B/C, ISO 26262, IEC 61508: How many level of Software requirements are necessary and useful?

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In my daily projects in the automotive and industrial automation industry I’m continually confronted with the question of how many levels of software requirements have to be written. That’s an interesting question, especially if we take the aerospace industry also into account. Therefore, I want to highlight in this blog post this topic a bit […]

Englische Blogs

ISO 26262: configurable / calibratable Software – Chance or Risk?

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Configurable Software Systems in ISO26262 are discussed in part 6 Annex C. This blog summarizes important requirements of the standard and shows practice-oriented challenges of software-configurable embedded systems. The use of calibration data in configurable systems offers a lot of advantages. The functional behavior of the entire system can be adjusted by simple and rapid […]

Englische Blogs

Reuse scenarios in ISO 26262 (part 1)

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Why is the reuse of software, hardware, or complete electronic control units a central theme? Two essential aspects are to be considered: the development costs can be reduced significantly, i.e. reuse of components is very attractive in economic terms. But also for security reasons, the reuse of components can offer significant benefits. A control unit, […]