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To cope with the need for flexibility of industrial applications, and other customer related requirements, functional control behavior is shifted from hardware to software. This leads to higher software complexity. Therefore, testing of industrial software is a key technique to ensure overall system quality. Based on an analysis of testing approaches in software engineering and requirements in industrial...
The IEC 61499 modeling language pursues a component-based approach with modular building blocks coupled by ports and arranged in a hierarchical manner. Like similar approaches, the IEC 61499 language does not define how functional hierarchies of upper- and lower-level functional entities should be built. In this paper we outline structuring principles for IEC 61499 programs with purely hierarchical...
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