... Proceedings of the Fifth International Conference on Chemical Process Control , Tahoe City, California, January 7-12, ... Most of these extensions build on the concepts of colored Petri nets (Jensen, 1995) in which the tokens assume ... The internal discrete state dynamics of a c/e system can be represented as an automaton or Petri net (Sreenivas and Krogh, 1991b). ... Because of the historical relationships between PLCs and physical relay systems, graphical relay ladder diagramsanbsp;...
|Title||:||Chemical Process Control-V|
|Author||:||Jeffrey C. Kantor, Carlos E. García, Brice Carnahan|
|Publisher||:||Amer Inst of Chemical Engineers - 1997-01-01|