Supervisory control of a class of discrete event processes
SIAM Journal on Control and Optimization
On observability of discrete-event systems
Information Sciences: an International Journal - Robotics and Automation/Control Series
Decentralized supervisory control of discrete-event systems
Information Sciences: an International Journal - Robotics and Automation/Control Series
Clinical monitoring with fuzzy automata
Fuzzy Sets and Systems
Fuzzy sets and fuzzy logic: theory and applications
Fuzzy sets and fuzzy logic: theory and applications
Fundamentals of Uncertainty Calculi with Applications to Fuzzy Inference
Fundamentals of Uncertainty Calculi with Applications to Fuzzy Inference
Fuzzy Switching and Automata: Theory and Applications
Fuzzy Switching and Automata: Theory and Applications
Introduction to Discrete Event Systems
Introduction to Discrete Event Systems
Decision making in fuzzy discrete event systems
Information Sciences: an International Journal
Fuzzy discrete-event systems under fuzzy observability and a test algorithm
IEEE Transactions on Fuzzy Systems
Behavior-modulation technique in mobile robotics using fuzzy discrete event system
IEEE Transactions on Robotics
A Fuzzy Discrete Event System Approach to Determining Optimal HIV/AIDS Treatment Regimens
IEEE Transactions on Information Technology in Biomedicine
Modeling and control of fuzzy discrete event systems
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Supervisory control of fuzzy discrete event systems: a formal approach
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Supervisory control of fuzzy discrete event systems
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
State-Based Control of Fuzzy Discrete-Event Systems
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
A Self-Learning Fuzzy Discrete Event System for HIV/AIDS Treatment Regimen Selection
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Observability and decentralized control of fuzzy discrete-event systems
IEEE Transactions on Fuzzy Systems
Analysis and control of fuzzy discrete event systems using bisimulation equivalence
Theoretical Computer Science
Information Sciences: an International Journal
On modeling of fuzzy hybrid systems
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology
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In 2001, we originated a theory of fuzzy discrete-event systems (FDESs) that generalized the conventional/crisp discrete-event systems (DESs). Vagueness and imprecision concerning states and event transitions of DESs were represented by membership grades and computed via fuzzy logic. Our application of the FDES theory to computerized human immunodeficiency virus/acquired immune deficiency syndrome treatment regimen selection, although preliminarily successful, suggests that a more comprehensive FDES theory is needed to address two general issues critically important not only to biomedical applications, but also to real-world problems in other industries. First, domain experts should have means other than point estimates and type-1 fuzzy sets mandated in the current framework to describe uncertainties, subjectivity, and imprecision in their (complex) knowledge and experience. Second, when a group of expertswith distinct opinions is involved, they should not be forced to reach consensus for the sake of system development. This is because collective consensus may not be achievable, which is often the case in medicine, where individual experts' opinions should be equally respected since the underlying ground truth is unknown most of the time. The theory of extended FDESpresented in this paper addresses both the problems and contains the FDES theory as a special case. Experts are now allowed to use interval numbers and type-1 and type-2 fuzzy sets to intuitively and quantitatively express their diverse knowledge and experience, whichwill then be processed by the new theory to form fuzzy state vectors and fuzzy event transition matrices. Accordingly, we have established mathematical operations that cover the computations of fuzzy states, fuzzy event transitions, and parallel composition. Numerical examples are provided.