Hierarchical Supervisory Control Based on Discrete Event Systems With Flexible Marking

This paper proposes a two-level hierarchical supervisory control scheme for a discrete event system (DES), where the low-level is represented in the standard Ramadge-Wonham framework and the high level is represented by a DES with flexible marking (DESFM). As shown, the flexibility in the definition...

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Bibliographic Details
Published in:IEEE transactions on automatic control 2007-12, Vol.52 (12), p.2242-2253
Main Authors: da Cunha, A.E.C., Cury, J.E.R.
Format: Article
Language:English
Subjects:
Applied sciences
Automatic control
Computer science
control theory
systems
Consistency
Control system synthesis
Control systems
Control theory. Systems
Discrete event systems
Discrete event systems (DES)
Exact sciences and technology
Explosions
Flexibility
hierarchical control
Large-scale systems
Manufacturing systems
Modelling and identification
Robust control
Standards development
State-space methods
Supervisory control
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Description
Summary:This paper proposes a two-level hierarchical supervisory control scheme for a discrete event system (DES), where the low-level is represented in the standard Ramadge-Wonham framework and the high level is represented by a DES with flexible marking (DESFM). As shown, the flexibility in the definition of marking provided by a DESFM simplifies the modeling of the high-level marking behavior. This approach, when compared with other approaches, requires less events and states to model the high-level, while guaranteeing hierarchical consistency.
ISSN:0018-9286
1558-2523
DOI:10.1109/TAC.2007.910653