Technical Communique: On-line tracing supervisory control of discrete-event dynamic systems based on outlooking

Authors:
Kwang-Hyun Cho;Jong-Tae Lim
Affiliations:
Division of Electronic Engineering, School of Electrical Engineering and Automation, University of Ulsan, Ulsan, 680-749, South Korea;Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusong-dong, Yusong-gu, Taejon, 305-701, South Korea
Venue:
Automatica (Journal of IFAC)
Year:
1999

Citing 3
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Abstract

The conventional off-line approach to supervisor synthesis for discrete-event dynamic systems contains critical drawbacks in building overall automata models and calculating the complete control policy for these models. To resolve the complexity of this off-line approach, the supervisory control scheme based on limited lookahead control policies was proposed by Chung et al. and improved by Kumar et al. recently. However, these methods do not guarantee the same closed-loop behavior as an optimal off-line solution. Therefore, we propose an on-line tracing supervisory control scheme founded on component discrete-event models, which ensures the same closed-loop language as an optimal off-line scheme.