15th Triennial World Congress of the International Federation of Automatic Control
  Barcelona, 21–26 July 2002 
GRAFCHART FOR PROCEDURAL OPERATOR SUPPORT TASKS
Karl-Erik Årzén*, Rasmus Olsson, Johan Åkesson
Department of Automatic Control
Lund Institute of Technology
P.O. Box 118, S-221 00 Lund, Sweden
{karlerik,rasmus,jakesson}@control.lth.se

Support for procedural operations is important in industry. Within the EU GROWTH project CHEM aimed at developing advanced decision support systems for the process industry, Grafchart, a toolbox for procedure handling based on Grafcet and Sequential Function Charts, will be used to implement a state-transition support toolbox. A brief overview of Grafchart is given, including a new Java version, JGrafchart. Operator support applications where Grafchart has been used are described.
Keywords: Operating Procedure, Sequence Control, Petri nets, Grafcet, Batch Control
Session slot T-Mo-A08: Decision Support & Process Supervision/Area code 7e : Fault Detection, Supervision and Safety of Technical Processes