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| Description
| - V článku je demonstrována neurčitost stochastických výpočtů, u kterých se vstupní náhodné veličiny zavádí subjektivně. Pro korektní stochastický výpočet je nutno mít k dispozici výlučně objektivní statistické informace z experimentů včetně korelační matice. Pokud tyto informace nejsou dostupné, je nutno kvantifikovat vágní (fuzzy) neurčitost s užitím tzv. fuzzy-random analýza. Problematika je v článku demonstrována na příkladu analýzy fuzzy neurčitosti pravděpodobnostního posudku spolehlivosti ocelového prutu pod tlakem. Výstupem je fuzzy množina pravděpodobnosti poruchy. Ostrý kontrolovatelný výstup byl obdržen defuzzifikací metodou centra plochy. Obdržená hodnota byla o 200 procent vyšší než hodnota obdržená klasickým stochastickým výpočtem. V závěru jsou diskutovány možnosti uplatnění komplexní fuzzy-random analýzy neurčitosti při pravděpodobnostním posudku spolehlivosti konstrukcí metodou SBRA. (cs)
- The uncertainty of stochastic computations for which input random quantities are introduced in the subjective manner is presented in this paper. To obtain a correct stochastic computation, it is necessary to have exclusively objective statistical information based on experiments including the correlation matrix at the disposal. If this information is not available, the vague (fuzzy) uncertainty is to be quantified by applying the so-called fuzzy analysis. In the present paper, these problems are demonstrated on the example of an analysis of fuzzy uncertainty of probability assessment of the reliability of a steel member under compression. The output is a fuzzy set of failure probability. The single crisp control output of failure probability was obtained with use of the defuzzification centre of gravity method. The value obtained was by 200 percent higher than that obtained by the classical stochastic computation. In conclusion, the applicability possibilities of the complex fuzzy-random uncertainty a
- The uncertainty of stochastic computations for which input random quantities are introduced in the subjective manner is presented in this paper. To obtain a correct stochastic computation, it is necessary to have exclusively objective statistical information based on experiments including the correlation matrix at the disposal. If this information is not available, the vague (fuzzy) uncertainty is to be quantified by applying the so-called fuzzy analysis. In the present paper, these problems are demonstrated on the example of an analysis of fuzzy uncertainty of probability assessment of the reliability of a steel member under compression. The output is a fuzzy set of failure probability. The single crisp control output of failure probability was obtained with use of the defuzzification centre of gravity method. The value obtained was by 200 percent higher than that obtained by the classical stochastic computation. In conclusion, the applicability possibilities of the complex fuzzy-random uncertainty a (en)
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| Title
| - Fuzzy-Random Analysis of Steel Structures
- Fuzzy-Random Analysis of Steel Structures (en)
- Fuzzy-Random analýza ocelové konstrukce (cs)
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| skos:prefLabel
| - Fuzzy-Random Analysis of Steel Structures
- Fuzzy-Random Analysis of Steel Structures (en)
- Fuzzy-Random analýza ocelové konstrukce (cs)
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| skos:notation
| - RIV/00216305:26110/07:PU71662!RIV08-MSM-26110___
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(1M0579), P(GA103/05/2059), P(KJB201720602)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216305:26110/07:PU71662
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - steel, failure, probability, correlation, fuzzy, simulation (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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| is http://linked.open...avai/riv/vysledek
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