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Grafchart and its relations to Grafcet and Petri nets

The paper presents Grafchart, a graphical programming language for sequential control applications. Grafcahrt has been influenced by Grafcet/SFC and Petri nets. In the paper the relations between Grafchart and Grafcet/SFC and between Grafcahrt and Petri nets are presented and discussed.

Flexible and integrated supply chains towards an innovative research platform

Purpose of this paper: Increasingly more companies need supply chains that satisfy individual needs and can adapt to a changing environment while simultaneously keeping costs down. Hence, flexible and integrated supply chains are needed. The purpose of this paper is to develop a conceptual research platform for studies of how companies can develop such solutions. Design/methodology/approach: A sys