Modeliranje vgrajene zanesljivosti v odvisnosti od obratovalnih pogojev : doktorsko delo

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Modeliranje vgrajene zanesljivosti v odvisnosti od obratovalnih pogojev : doktorsko delo

Bučar, Tomaž

Postavljena je metodologija za napovedovanje vgrajene zanesljivosti izdelkov že v zgodnelših fazah razvojnega postopka. Celovit postopek za izračun vgrajene zanesljivosti vključuje eksperimentalno ... modeliranje zdržljivosti izdelkov in modeliranje rasti obremenitvenih kolektivov. V splošnem nelinearna povezava med zdržljivostjo izdelkov in množico vplivnih faktorjev je modelirana s hibridnimi modeli, ki povezujejo različna a priori znanja z nevronskimi mrežami. Modeliranje zdržljivosti izdelkov s hibridnimi modeli je nato nadgrajena z modeliranjem statističnega raztrosa števila nihajev do porušitve v odvisnosti od vplivnih faktorjev. Jedro zgrajenega modela je pogojna gostota porazdelitve verjetnosti, ki je modelirana z mešanico lognormalnih ali Weibullovih porazdelitev. Predstavljena sta tudi dva pristopa za modeliranje rasti obremenitvenih kolektivov. Rast obremenitvenega kolektiva je popisana z modeliranjem zveze med parametri povezane gostote porazdelitve verjetnosti spremenljivk obremenitvenih stanj in časovno spremenljivko. Povezana gostota porazdelitve verjetnosti spremenljivk amplitud in srednjih vrednosti obremenitvenih ciklov je modelirana z mešanico povezanih Weibull-normalnih porazdelitev.

Type of material - dissertation ; adult, serious

Publication and manufacture - Ljubljana : [T. Bučar], 2006

Language - slovenian

COBISS.SI-ID - 9016091

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Author
Bučar, Tomaž

Other authors
Nagode, Marko | Fajdiga, Matija

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Links to authors' personal bibliographies	Links to information on researchers in the SICRIS system
Bučar, Tomaž	21960
Nagode, Marko	13469
Fajdiga, Matija	00819

Source: Personal bibliographies and: SICRIS

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