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This paper aims at the systematic determination of faulty and problematic execution control charts (ECC) of IEC 61499 basic function blocks. The liveliness of a function block and the potential state transitions fundamentally depend on the execution semantics of function blocks. Many work has been performed in order to clarify the execution semantics, mainly by reducing the diversity of implementation...
This paper aims at the clarification of the execution of IEC 61499 function block networks. A new event-discrete execution model called "handler-based execution model" (HB-XM) has been introduced for CNet in previous work that enables full automatic code generation for Petri-net based component descriptions [4]. The HB-XM abstracts from the CNet language elements and specifies how each element...
We defined the so-called "handler-based execution model" as a real-time capable execution model for CNet [H. Wurmus, 2002] [N. Hagge and B. Wagner, 2005]. Traditional controller implementations typically consist of big loops with a fix sequential execution scan order. This was not appropriate for Petri-net based CNet that is characterized by a high degree of concurrency and locality. Our...
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