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Real-time Fault Diagnosis Using Probability Distribution of Faults

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F06%3A02123247" target="_blank" >RIV/68407700:21220/06:02123247 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Real-time Fault Diagnosis Using Probability Distribution of Faults

  • Original language description

    The paper focuses on fault diagnosis (FDI) in stochastic nonlinear systems using Bayesian statistics. The main concept of this approach relies on a probabilistic model to estimate the occurrences of faults by probabilities. The methodology consists in probabilistic mapping of the measured data into a fault variable, which acts as an indicator of considered modes of the systems. One of the main advantages of the proposed FDI approach is the ability to perform real-time supervised training in which the parameters of the fault probability table are updated in real time. The suggested methodology is very simple for numerical calculations and enables one to include heuristic knowledge about the faults. The practical aspects of the proposed FDI algorithm were successfully tested in real time using a laboratory heating system.

  • Czech name

    Diagnostika poruch v reálném čase využitím rozdělení pravděpodobnosti poruch

  • Czech description

    Článek je zaměřen na diagnostiku poruch stochastického nelineárního systému využitím Bayesovy statistiky. Předložená metodika spočívá v pravděpodobnostním zobrazení měřených dat do tzv. poruchové proměnné, která učinkuje jako indikátor uvažovaných módů.Navržená metodika je numericky jednoduchá a vhodná pro diagnostiku poruch v reálném čase. Metodika byla úspěšně ověřována na laboratorní tepelné soustavě.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BC - Theory and management systems

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Annals of DAAAM for 2006 & Proceedings

  • ISBN

    3-901509-57-7

  • ISSN

  • e-ISSN

  • Number of pages

    2

  • Pages from-to

    165-166

  • Publisher name

    DAAAM International

  • Place of publication

    Vienna

  • Event location

    Vienna

  • Event date

    Nov 8, 2006

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article