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

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

Abstract

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.
Original languageEnglish
Title of host publication[Host publication title missing]
PublisherIFAC
Pages19-24
Number of pages6
VolumeA
Publication statusPublished - 1999
Event14th IFAC World Congress (1999) - Beijing, P.R.China, Beijing, China
Duration: 1999 Jul 51999 Jul 9
Conference number: 14th

Publication series

Name
VolumeA

Conference

Conference14th IFAC World Congress (1999)
Country/TerritoryChina
CityBeijing
Period1999/07/051999/07/09

Subject classification (UKÄ)

  • Control Engineering

Keywords

  • Grafchart
  • Grafcet
  • Sequential Control
  • Discrete Event Systems

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