Lin, F.; Wonham, W. M. On observability of discrete-event systems. (English) Zbl 0644.93008 Inf. Sci. 44, No. 3, 173-198 (1988). The supervised discrete-event system is considered. The set of possible events is partitioned into the sets of controllable and observable events. State transitions are governed by the language generated by the transition function and the alphabet of event labels. The system control consists of on-off enabling and disabling of controllable events according to the changes in a sequence of observable events. Such a closed-loop feedback structure is formalized as a finite state automaton. The existence problem for a supervisory controller, respecting both controllability and observability constraints, is solved abstractly. The presented work heavily depends on previous papers published by the authors [see, e.g., SIAM J. Control Optimization 25, 206-230 (1987; Zbl 0618.93033); and, Analysis and optimization of systems, Proc. 7th Int. Conf., Antibes/France 1986, Lect. Notes Control Inf. Sci. 83, 202-214 (1986; Zbl 0595.93047)]. Reviewer: J.Filipiak Cited in 2 ReviewsCited in 130 Documents MSC: 93B07 Observability 68Q45 Formal languages and automata 93C99 Model systems in control theory 68N25 Theory of operating systems Keywords:discrete-event system; closed-loop feedback structure; finite state automaton; supervisory controller Citations:Zbl 0618.93033; Zbl 0595.93047 × Cite Format Result Cite Review PDF Full Text: DOI References: [1] André, F.; Hermand, D.; Verjus, J.-P., Synchronization of Parallel Programs (1985), MIT Press: MIT Press Cambridge, Mass · Zbl 0647.68002 [2] von Bochmann, G., Concepts for Distributed System Design (1983), Springer: Springer Berlin · Zbl 0514.68001 [3] Cieslak, R.; Desclaux, C.; Fawaz, A.; Varaiya, P., Supervisory Control of Discrete Event Processes with Partial Observations, (Memo No. UCB/ERL M86/63 (7 August 1986), Electronics Res. 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