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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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Main Authors: | , , |
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Format: | Conference Proceeding |
Language: | English |
Subjects: | |
Online Access: | Request full text |
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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. |
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DOI: | 10.23919/ACC.1992.4792448 |