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Grafchart and Grafcet: A Comparison Between two Graphical Languages Aimed for Sequential Control Applications

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Author

Summary, in English

This paper compares the language Grafcet with the language Grafchart. Both are graphical languages aimed for sequential control applications. Grafcet is aimed for specification of controller structures, i.e., for local level control applications. Grafchart is based on Grafcet, Petri nets and ideas from objectoriented programming and it can be used for any sequential control application, both applications on a local level and on a supervisory level. In addition to this, applications structured with Grafchart can be analyzed with respect to, e.g., deadlock situations, this is thanks to its foundation in Petri nets. In this paper, the similarities and the differences that exit between Grafcet and Grafchart are clarified and discussed.

Publishing year

1999

Language

English

Pages

19-24

Publication/Series

[Host publication title missing]

Volume

A

Document type

Conference paper

Publisher

IFAC

Topic

  • Control Engineering

Keywords

  • Grafchart
  • Grafcet
  • Sequential Control
  • Discrete Event Systems

Conference name

14th IFAC World Congress (1999)

Conference date

1999-07-05 - 1999-07-09

Conference place

Beijing, China

Status

Published