Title :
Hierarchical supervisory control for batch processes
Author :
Tittus, M. ; Lennartson, B.
Author_Institution :
Control Eng. Lab., Chalmers Univ. of Technol., Goteborg, Sweden
Abstract :
A Petri net based approach for the modeling of batch plants as well as products is presented. With the focus on synchronization and booking issues, we propose general Petri net building blocks for the construction of recipes. These building blocks prove to be very usable for supervisor synthesis and implementation. We also introduce a hierarchical supervisor structure that implements deadlock avoidance policies when executing a number of concurrent recipes. It is shown that the presented hierarchical supervisor is by far less complex than a non-hierarchical one
Keywords :
Petri nets; batch processing (industrial); control system synthesis; hierarchical systems; process control; synchronisation; Petri net based approach; batch processes; booking; concurrent recipes; deadlock avoidance policies; hierarchical supervisory control; supervisor synthesis; synchronization; Control engineering; Explosions; Inductors; Petri nets; Resource management; State-space methods; Supervisory control; System recovery; Topology; Valves;
Conference_Titel :
American Control Conference, 1998. Proceedings of the 1998
Conference_Location :
Philadelphia, PA
Print_ISBN :
0-7803-4530-4
DOI :
10.1109/ACC.1998.694671