Fuzzy Sets and Systems: Theory and Applications
Fuzzy Sets and Systems: Theory and Applications
Discrete Event Dynamic Systems
Introduction to Discrete Event Systems
Introduction to Discrete Event Systems
Decision making in fuzzy discrete event systems
Information Sciences: an International Journal
Diagnosability of 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
Fuzzy logic = computing with words
IEEE Transactions on Fuzzy Systems
Observability and decentralized control of fuzzy discrete-event systems
IEEE Transactions on Fuzzy Systems
Safe diagnosability for fault-tolerant supervision of discrete-event systems
Automatica (Journal of IFAC)
A new algorithm for testing diagnosability of fuzzy discrete event systems
Information Sciences: an International Journal
Algebraic properties of L-fuzzy finite automata
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 order to more effectively cope with the real-world problems of vagueness, fuzzy discrete-event systems (FDESs) were proposed by Lin and Ying recently. Then we and Cao and Ying investigated the supervisory control of FDESs independently. In this paper, we are concerned with another important issue of FDESs, the failure diagnosis. More specifically: 1) we propose a "fuzzy diagnosability" approach by introducing a fuzzy diagnosability function to characterize the diagnosability degree, which takes values in the interval [0, 1] rather than {0, 1}; 2) based on the observability of events, we formalize the construction of the diagnosers that are used to perform fuzzy diagnosis; 3) a number of basic properties of the diagnosers are investigated. In particular, we present a necessary and sufficient condition for failure diagnosis of FDESs. Our results generalize the important consequences of the diagnosability for crisp discrete-event systems (DESs) introduced by Sampath et al. The newly proposed approach allows us to deal with the problem of diagnosability for both crisp DESs and FDESs; 4) in addition, a method for checking the fuzzy diagnosability for FDESs is proposed. Also, some examples are provided to illustrate the application of the diagnosability of FDESs.