Results 31 to 40 of about 81,934 (166)

Failure diagnosis in real time stochastic discrete event systems

open access: yesEngineering Science and Technology, an International Journal, 2015
Discrete Event System (DES) has been used for Failure Detection and Diagnosis (FDD) of a wide range of systems. For real time systems, timed DES based frameworks diagnose failures leading to violation of delays or deadlines.
Chaitali Biswas Dutta, Utpal Biswas
doaj   +1 more source

Model Abstraction for Discrete-Event Systems Using a SAT Solver

open access: yesIEEE Access, 2023
Model abstraction for finite state automata is beneficial to reduce the complexity of discrete-event systems (DES), enhance the readability and facilitate the control synthesis and verification of DES.
Lihong Cheng, Lei Feng
doaj   +1 more source

Language Recovery in Discrete-Event Systems against Sensor Deception Attacks

open access: yesMathematics, 2023
Cyber-physical systems are characterized by the intrinsic combination of software and physical components that usually include (wired and wireless) communication devices, sensors, actuators, and control processing units. Some wireless devices communicate
Abdeldjalil Labed   +5 more
doaj   +1 more source

Weak Diagnosability of Discrete Event Systems

open access: yesIFAC-PapersOnLine, 2020
Abstract In this paper, we propose a weaker property for failure diagnosis called weak diagnosability. Weak diagnosability says that, after the occurrence of a fault event, for any continuation, there always exists at least one trajectory of sufficient length along which we can diagnose the occurrence of the fault event.
Lin Cao 0005   +4 more
openaire   +1 more source

Event Concealment in Discrete Event With Observation Losses Systems via Differential Privacy

open access: yesIEEE Access
This research addresses the challenge of event concealment in partially observed discrete event systems (DES) modeled as finite-state automata by employing differential privacy.
Rong Zhao   +2 more
doaj   +1 more source

A Specification Patterns System for Discrete Event Systems Analysis

open access: yesInternational Journal of Advanced Robotic Systems, 2013
As formal verification tools gain popularity, the problem arises of making them more accessible to engineers. A correct understanding of the logics used to express the properties of a system's behaviour is needed in order to guarantee that properties ...
Jose Creissac Campos, Jose Machado
doaj   +1 more source

Reformulation for the Diagnosis of Discrete-Event Systems

open access: yesAnnual Conference of the PHM Society, 2010
Diagnosis is traditionally defined on a space of hypotheses (typically, all the combinations of zero or more possible faults).In the present paper, we argue that a suitable reformulation of this hypothesis space can lead to more efficient diagnostic algorithms and more compact diagnoses, most notably by exploiting opportunities for various forms ...
Grastien A., Torta G.
openaire   +3 more sources

Discrete Event Modeling and Simulation for Reinforcement Learning System Design

open access: yesInformation, 2022
Discrete event modeling and simulation and reinforcement learning are two frameworks suited for cyberphysical system design, which, when combined, can give powerful tools for system optimization or decision making process for example.
Laurent Capocchi   +1 more
doaj   +1 more source

Discrete event control of nondeterministic systems

open access: yesProceedings of 35th IEEE Conference on Decision and Control, 1998
Summary: Nondeterminism in discrete-event systems occurs in many practical situations and often as a result of partial observability of events. For the adequate description of nondeterministic systems and nondeterministic phenomena, the trajectory-model formalism was introduced. This formalism has been used in [\textit{M. Shayman} and \textit{R. Kumar},
Michael Heymann, Feng Lin
openaire   +2 more sources

Commissioning of a production line in the discrete event simulation software Ururau

open access: yesGEPROS: Gestão da Produção, Operações e Sistemas, 2017
The aim of this work was to demonstrate the utilization of a discrete event simulation model built with the Ururau software integrated to a programmable logic controller to be applied in commissioning of control systems.
Quézia Manuela Gonçalves Laurindo   +5 more
doaj   +1 more source

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