Search results
Title Generalized polynomial comparative calibration: parameter estimation and applications Author info Viktor Witkovský, Gejza Wimmer Author Witkovský Viktor (50%)
Co-authors Wimmer Gejza 1949- (50%) UMBFP10 - Katedra matematiky
Source document Advances in measurements and instrumentation: reviews : book series, 1 - volume. Pp. 15-52 [1,85 AH]. - Barcelona : IFSA Publishing, 2018 Keywords calibration problems calibrated device calibration function parameters Language English Country Spain systematics 51 Annotation Popísujú sa metódy a algoritmy, založené na aplikácii klasického regresného prístupu na model s chybami v premenných, a aplikované na model komparatívnej kalibrácie (t.j. kalibrácie, keď obidve premenné (aj etalón) sú zaťažené chybami). Uvažujre sa pritom zovšeobecnená polynomická kalibračná funkcia. Tento prístup berie do úvahy čisto metrologické zretele. Vstupné veličiny sú úplne charakterizované apriórnymi znalosťami ich distribúcií, ktoré sú odvodené zo zodpovedajúcich bilancií neistôt priamych meraní v kalibračnom experimente ako aj expertných znalostí metrológa. Tento postup umožňuje kombinovať metody A a B vyhodnocovania neistôt ako aj zahrnúť korelácie medzi meraniami. Described are methods and algorithms, based on using the classical regression approach used for the errors-in-variable model and applied it for the comparative calibration with the generalized polynomial calibration function. The present approach is based on strictly metrologist considerations. The inputs quantities are fully characterized by their state-of-knowledge distributions, derived from the associated uncertainty budgets of the direct measurements from the calibration experiment, which allows to combine type A and type B methods of evaluation of the measurements, as well as to incorporate correlated measurements with the comparative calibration, i.e. with the situation when both variables entering the calibration experiment are subject to errors (including the used measurement standard) Public work category AEC No. of Archival Copy 43928 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ 
unrecognised
Title EIV calibration model of thermocouples Author info Gejza Wimmer, Stanislav Ďuriš ... [et al.] Author Wimmer Gejza 1949- (40%) UMBFP10 - Katedra matematiky
Co-authors Ďuriš Stanislav (20%)
Palenčár Rudolf (20%)
Witkovský Viktor (20%)
Source document Advanced mathematical and computational tools in metrology and testing XI : series on advances in mathematics for applied sciences : conference proceedings AMCTM 2017, 29. -31. 08. 2017, Glasgow, 89 - volume. S. 401-408. - Singapore : World Scientific Publishing, 2018 ; Advanced mathematical and computational tools in metrology and testing AMCTM 2017 Keywords replicated errors-in-variables model continuous temperature scale uncertainty evaluation Language English Country Singapore systematics 51 Annotation Ukázaný je nový štatistický prístup pre vyhodnotenie kalibrácie termočlánkov. Tento postup popisuje model kalibrácie ako mnohorozmerný model s chybami v premenných, ktorý je linearizovaný a výsledné riešenie sa získava pomocou iterácií. A new statistical procedure for evaluating the calibration of thermocouples is presented. This procedure describes the calibration model as a multivariate errors-in-variables model which is linearized and the resulting solution is found by iterations Public work category AFC No. of Archival Copy 43935 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ unrecognised
Title Modeling and evaluating the distribution of the output quantity in measurement models with copula dependent input quantities Author info Viktor Witkovský, Gejza Wimmer ... [et al.] Author Witkovský Viktor (20%)
Co-authors Wimmer Gejza 1949- (16%) UMBFP10 - Katedra matematiky
Ďurišová Zuzana (16%)
Ďuriš Stanislav (16%)
Palenčár Rudolf (16%)
Palenčár Jakub (16%)
Source document Advanced mathematical and computational tools in metrology and testing XI : series on advances in mathematics for applied sciences : conference proceedings AMCTM 2017, 29. -31. 08. 2017, Glasgow, 89 - volume. S. 409-416. - Singapore : World Scientific Publishing, 2018 ; Advanced mathematical and computational tools in metrology and testing AMCTM 2017 Keywords copula modeling metóda Monte Carlo (matematika) - simulačná metóda Monte Carlo - Monte Carlo method functional approach Language English Country Singapore systematics 51 Annotation Správna analýza neistôt v metrológii si mnohokrát vyžaduje model s nelineárnymi rovnicami merania a netriviálnou združenou mnohorozmernou distribučnou funkciou vstupných veličín. V príspevku sa dáva dôraz na výhody prístupu vzorkovania z distribúcie výstupných veličín cez charakteristické funkcie založenom na distribúcii typu kopula vstupných veličín s marginálnymi distribúciami daného konvolučného typu. Proper uncertainty analysis in metrology frequently requires using model with a nonlinear measurement equations and non-trivial joint multivariate distribution of the input quantities. In the paper we emphasize the advantage of using the Characteristic Function Approach for sampling from the distribution of the output quantities, based on the joint copula-type distribution of the input quantities with given convolution-type marginal distributions. Public work category AFC No. of Archival Copy 43937 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ unrecognised
Title Model of polynomial calibration Author info G. Wimmer, V. Witkovský Author Wimmer Gejza 1949- (50%) UMBFP10 - Katedra matematiky
Co-authors Witkovský Viktor (50%)
Source document Journal of Physics: Conference Series. Vol. 1065 (2018), pp. 10-4. - Bristol : IOP Publishing, 2018 ; World congress of the international measurement confederation (IMEKO 2018) kongres Keywords kalibrácie kalibračné funkcie polynomické kalibračné modely optimálne odhady parametrov Language English Country Great Britian systematics 51 Annotation The paper builds the comparative calibration model with a polynomial calibration function. The model allows to consider possibly correlated data and combines the type A as well as type B unceranities of measurements. From statistical point of view the model after linearization could be represented by the linear errors-in-variables model (EIV) URL Link na plný text Public work category AFC No. of Archival Copy 43624 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ References PERIODIKÁ-Súborný záznam periodika unrecognised
Title Brief overview of methods for measurement uncertainty analysis: GUM uncertainty framework, Monte Carlo method, characteristic function approach Author info Viktor Witkovský, Gejza Wimmer ... [et al.] Author Witkovský Viktor (20%)
Co-authors Wimmer Gejza 1949- (20%) UMBFP10 - Katedra matematiky
Ďurišová Zuzana (20%)
Ďuriš Stanislav (20%)
Palenčár Rudolf (20%)
Source document Measurement 2017 : proceedings of the 11th international conference on measurement. Pp. 35-38. - Bratislava : VEDA, Publishing house of the Slovak Academy of sciences, 2017 ; Measurement 2017 medzinárodná konferencia Keywords uncertainty analysis metóda Monte Carlo (matematika) - simulačná metóda Monte Carlo - Monte Carlo method functional approach Language English Country Slovak Republic systematics 51 Public work category AFD No. of Archival Copy 40783 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ unrecognised
Title Demodulation and uncertainty evaluation of quadrature interferometer signals when the errors are autoregressive Author info G. Wimmer, V. Witkovský Author Wimmer Gejza 1949- (50%) UMBFP10 - Katedra matematiky
Co-authors Witkovský Viktor (50%)
Source document Measurement 2017 : proceedings of the 11th international conference on measurement. Pp. 23-26. - Bratislava : VEDA, Publishing house of the Slovak Academy of sciences, 2017 ; Measurement 2017 medzinárodná konferencia Keywords matematika - mathematics quadrature homodyne interferometers Language English Country Slovak Republic systematics 51 Public work category AFD No. of Archival Copy 40762 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ unrecognised
Title Two approaches to obtain the calibration line Author info R. Palenčár ... [et al.] Author Palenčár Rudolf (35%)
Co-authors Wimmer Gejza 1949- (35%) UMBFP10 - Katedra matematiky
Klvačová Simona (15%)
Witkovský Viktor (15%)
Source document Measurement 2017 : proceedings of the 11th international conference on measurement. Pp. 43-46. - Bratislava : VEDA, Publishing house of the Slovak Academy of sciences, 2017 ; Measurement 2017 medzinárodná konferencia Keywords merania - measurements calibrations Language English Country Slovak Republic systematics 51 Public work category AFD No. of Archival Copy 40761 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ unrecognised
Title Measurement 2015 Subtitle proceedings of the 10th international conference on measurement, Smolenice, May 25-28, 2015 Author info ed. Ján Maňka ... [et al.] Another authors Maňka Ján (Editor)
Tyšler Milan (Editor)
Witkovský Viktor (Editor)
Frollo Ivan (Editor)
Corporation Measurement 2013 . medzinárodná konferencia , 9. , Smolenice , 27.-30.05.2013 Issue data Bratislava : Institute of Measurement Sciences , 2015 ISBN 978-80-969672-9-2 Language English Country Slovak Republic Public work category FAI Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ References (1) - PUBLIKAČNÁ ČINNOSŤ 
book
Title Vyhodnotenie kalibrácie meradiel Subtitle štatistické metódy pre analýzu neistôt v metrológii Author info Gejza Wimmer ... [et al.]; rec. Lubomír Kubáček, Milan Terek, Miroslav Dovica Author Wimmer Gejza 1949- (25%) UMBFP10 - Katedra matematiky
Co-authors Palenčár Rudolf (25%)
Witkovský Viktor (25%)
Ďuriš Stanislav (25%)
Another authors Kubáček Lubomír (Recenzent)
Terek Milan (Recenzent)
Dovica Miroslav (Recenzent)
Issue data Bratislava : Slovenská technická univerzita v Bratislave , 2015. - 191 s. Issue 1. vyd. ISBN 978-80-227-4374-7 Keywords Language Slovak Country Slovak Republic Public work category AAB No. of Archival Copy 34043 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ 
unrecognised
Title An algorithm for demodulation of correlated quadrature interferometer signals Author info Gejza Wimmer, Viktor Witkovský, Reiner Koening Author Wimmer Gejza 1949- (34%) UMBFP10 - Katedra matematiky
Co-authors Witkovský Viktor (33%)
Koening Reiner (33%)
Source document Measurement 2015 : proceedings of the 10th international conference on measurement, Smolenice, May 25-28, 2015. S. 17-20. - Bratislava : Institute of Measurement Sciences, 2015 / Maňka Ján ; Tyšler Milan ; Witkovský Viktor ; Frollo Ivan ; Measurement 2013 medzinárodná konferencia Keywords homodynné interferometre Heydemanova korekcia fitovanie elipsy homodyne interferometers Heydemann correction ellipse fitting Language English Country Slovak Republic systematics 51 Public work category AFD No. of Archival Copy 34042 Repercussion category VAJSÁBEL, M. - GRÚBEROVÁ, M. - KUREKOVÁ, E. - PALENČÁR, R. Advanced statistical methods used in practice. In International journal of application or innovation in engineering & management (IJAIEM) [online]. 2016, vol. 5, no. 4, p. 174-182 [cit. 2018-01-03]. ISSN 2319-4847. Dostupné na: http://www.ijaiem.org/Volume5Issue4/IJAIEM-2016-04-30-52.pdf
Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ unrecognised