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Szukana fraza: [Temat i słowa kluczowe = "parameter estimation"]

Wyników: 11

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AMCS, Volume 21 (2011)

Modeling of reliability characteristics typically assumes that components and systems fail if a certain individual damagelevel is exceeded. Every (mechanical) system damage increases irreversibly due to employed loading and (mechanical)stress, respectively. The main issue of damage estimation is adequate determination of the actual state-of-damage. Severalmathematical modeling approaches are known in the literature, focusing on the task of how loading effects damageprogression (e.g., W¨ohler, 1870) for wear processes. Those models are only valid for specific loading conditions, a prioriassumptions, set points, etc. This contribution proposes a general model, covering adequately the deterioration of a setof comparable systems under comparable loading. The main goal of this contribution is to derive the loading?damageconnection directly from observation without assuming any damage models at the outset. Moreover, the connection is notinvestigated in detail (e.g., to examine the changes in material, etc.) but only approximated with a probabilistic approach.The idea is subdivided into two phases: A problem-specific relation between loading applied (to a structure, which contributesto the stress) and failure is derived from simulation, where a probabilistic approach only assumes a distributionfunction. Subsequently, an adequate general model is set up to describe deterioration progression. The scheme will beshown through simulation-based results and can be used for estimation of the remaining useful life and predictive maintenance/control.Keywords: reliability, parameter estimation, damage accumulation, probabilistic simulation.

Dettmann, Kai-Uwe Söffker, Dirk Korbicz, Józef - red. Uciński, Dariusz - red.

2011
artykuł
AMCS, Volume 15 (2005)

Verdiere, Nathalie Denis-Vidal, Lilianne Joly-Blanchard, Ghislaine Domurado, Dominique Beliczyński, Bartłomiej - red.

2005
artykuł
AMCS, volume 11 (2001)

Fernández, Luis A. Pola, Cecilia Triggiani, Roberto- ed. Maksimov, Vyacheslav I. - ed.

2001
artykuł
AMCS, Volume 20 (2010)

Uciński, Dariusz Patan, Maciej (1975- ) Korbicz, Józef - red. Uciński, Dariusz - red.

2010
artykuł

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