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Optimal Failure Recovery in Batch Processing Using Petri Net Models

The transition of a batch plant from an error state to a safe state at minimum cost is a very complex process due to large state and decision spaces caused by the ststem's flexibility. A framework for system modeling, problem analysis and hierarchical control which can be used to guide the syst...

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Bibliographic Details
Main Authors: Yamatidou, E.C., Adamides, E.D., Bonvin, D.
Format: Conference Proceeding
Language:English
Subjects:
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Summary:The transition of a batch plant from an error state to a safe state at minimum cost is a very complex process due to large state and decision spaces caused by the ststem's flexibility. A framework for system modeling, problem analysis and hierarchical control which can be used to guide the system to safety fast and in a cost effective way is presented here. The modeling is based on high-level Petri nets with timed places. Forward dynamic programming, with embedded heuristics is used in the optimization. The applicability of the approach is demonstrated in typical multi-purpose batch processing system.
DOI:10.23919/ACC.1992.4792448