Abstract
Concurrent engineering of system parts with diverging requirements can be extremely challenging. One example are mixed-criticality systems that integrate hard real-time software for safety–critical functionality and general purpose software providing a sophisticated user interface. The automotive industry, as well as other industrial branches, has a growing need to integrate consumer electronics applications (e.g. Linux based) and safety-relevant applications requiring an underlying hard real-time operating system. Some established concepts for mixed-criticality systems can be found in the avionics domain. This paper demonstrates that the principles behind these concepts are a dead end regarding innovations requiring a close interoperation. The second contribution of the paper is to present a different solution approach as a potential remedy that allows the different developer groups (hard real-time and standard IT) to retain their attitude to software development. The core of the novel approach is a worst-case execution time (WCET) directed OS service, which could serve as solution pattern for further problems in mixed-criticality systems.
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Schneider, J. (2013). Overcoming the Interoperability Barrier in Mixed-Criticality Systems. In: Stjepandić, J., Rock, G., Bil, C. (eds) Concurrent Engineering Approaches for Sustainable Product Development in a Multi-Disciplinary Environment. Springer, London. https://doi.org/10.1007/978-1-4471-4426-7_92
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DOI: https://doi.org/10.1007/978-1-4471-4426-7_92
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