On the supermal controllable sublanguage of a given language
SIAM Journal on Control and Optimization
An implementation of an efficient algorithm for bisimulation equivalence
Science of Computer Programming
Communication and Concurrency
On the Computation of Observers in Discrete-Event Systems
Discrete Event Dynamic Systems
Efficient Relational Calculation for Software Analysis
IEEE Transactions on Software Engineering
Software Abstractions: Logic, Language, and Analysis
Software Abstractions: Logic, Language, and Analysis
SAT-Solving in Practice, with a Tutorial Example from Supervisory Control
Discrete Event Dynamic Systems
Kodkod: a relational model finder
TACAS'07 Proceedings of the 13th international conference on Tools and algorithms for the construction and analysis of systems
Multi-level hierarchical interface-based supervisory control
Automatica (Journal of IFAC)
A SAT-based approach for the construction of reusable control system components
FMICS'11 Proceedings of the 16th international conference on Formal methods for industrial critical systems
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Scientific literature reveals that symbolic representation techniques behind some formal methods are attractive to synthesize parts or verify properties of large discrete event systems. They involve, however, complex encoding schemata and fine tuning heuristic parameters in order to translate specific problems into efficient BDD or SAT-based representations. This approach may be too costly when the main goal is to explore a theory, understand by simulation its underlying concepts and computation procedures, and conduct experiments by applying them to small problems. Based on previous work with Alloy on the synthesis of observers and nonblocking supervisors of a system organized hierarchically with a flat state space estimated to 1031 states, this paper investigates more deeply issues raised with its use in the modeling and prototyping of the supervisory control theory, including the application of models to practical problems. This study was conducted in a broader context than just hierarchical control since it embraces various variants of this theory.