"[F2AF01B19A9A]" . . "Simulace \u010Dasov\u00E9ho pr\u016Fb\u011Bhu sorp\u010Dn\u00EDch experiment\u016F" . "\u010Cesk\u00E1 spole\u010Dnost chemick\u00E9ho in\u017Een\u00FDrstv\u00ED" . . "7"^^ . . "11"^^ . "RIV/60461373:22340/11:43892110!RIV12-MSM-22340___" . . . "Simulace \u010Dasov\u00E9ho pr\u016Fb\u011Bhu sorp\u010Dn\u00EDch experiment\u016F"@cs . "Praha" . "7"^^ . . . . . "Hanta, Vladim\u00EDr" . "22340" . . . . . "978-80-905035-0-2" . . . "58. Konference chemick\u00E9ho a procesn\u00EDho in\u017Een\u00FDrstv\u00ED CHISA 2011" . . . "Simulace \u010Dasov\u00E9ho pr\u016Fb\u011Bhu sorp\u010Dn\u00EDch experiment\u016F" . . "Z(MSM6046137306), Z(MSM6046137307)" . "Simulation of sorption experiments time course"@en . "Simulace \u010Dasov\u00E9ho pr\u016Fb\u011Bhu sorp\u010Dn\u00EDch experiment\u016F"@cs . . "Zga\u017Ear, Miroslav" . "RIV/60461373:22340/11:43892110" . "Data z\u00EDskan\u00E1 v pr\u016Fb\u011Bhu gravimetrick\u00FDch sorp\u010Dn\u00EDch experiment\u016F jsou zkreslena n\u00E1hodn\u00FDm \u0161umem a nav\u00EDc mohou b\u00FDt zat\u00ED\u017Eena hrub\u00FDmi n\u00E1hodn\u00FDmi chybami. \u0160um a chyby neobsahuj\u00ED \u017E\u00E1dn\u00E9 u\u017Eite\u010Dn\u00E9 informace pro ur\u010Den\u00ED difuzn\u00EDch koeficient\u016F a mohou v\u00FDsledky v\u00FDrazn\u011B ovliv\u0148ovat. V p\u0159\u00EDsp\u011Bvku se pou\u017E\u00EDvaj\u00ED poznatky z r\u016Fzn\u00FDch v\u011Bdn\u00EDch obor\u016F tak, aby informace obsa\u017Een\u00E9 v experiment\u00E1ln\u00EDch datech byly co nejv\u00EDce vyu\u017Eity. Postup vych\u00E1z\u00ED z poznatk\u016F modelov\u00E1n\u00ED a simulace, teorie automatick\u00E9ho \u0159\u00EDzen\u00ED, experiment\u00E1ln\u00ED identifikace, filtrace a zpracov\u00E1n\u00ED \u010D\u00EDslicov\u00FDch sign\u00E1l\u016F a neline\u00E1rn\u00ED optimalizace. Standardn\u00ED teoretick\u00FD model popisuj\u00EDc\u00ED dynamiku sorpce organick\u00FDch par na polymern\u00EDch membr\u00E1n\u00E1ch je modifikov\u00E1n vzhledem k dynamick\u00FDm vlastnostem m\u011B\u0159ic\u00ED kom\u016Frky. Simulovan\u00FD pr\u016Fb\u011Bh tlaku p\u00E1ry po jej\u00EDm vst\u0159\u00EDknut\u00ED do m\u011B\u0159ic\u00ED kom\u016Frky pak l\u00E9pe odpov\u00EDd\u00E1 nam\u011B\u0159en\u00FDm dat\u016Fm. N\u00E1hodn\u00FD \u0161um se z u\u017Eite\u010Dn\u00E9ho sign\u00E1lu eliminuje pou\u017Eit\u00EDm dolnopropustn\u00FDch Butterworthov\u00FDch digit\u00E1ln\u00EDch filtr\u016F s vhodn\u011B volenou mezn\u00ED frekvenc\u00ED. Parametry matematick\u00E9ho modelu (difuzn\u00ED koeficient, \u010Dasov\u00E1 konstanta m\u011B\u0159ic\u00ED kom\u016Frky, po\u010D\u00E1te\u010Dn\u00ED a koncov\u00E1 hodnota sign\u00E1lu a jeho \u010Dasov\u00E9 zpo\u017Ed\u011Bn\u00ED) se ur\u010D\u00ED simula\u010Dn\u011B pomoc\u00ED \u00FA\u010Dinn\u00E9 optimaliza\u010Dn\u00ED metody (Nelder-Meadova metoda pru\u017En\u00E9ho mnohost\u011Bnu)." . "Vopi\u010Dka, Ond\u0159ej" . "gravimetric sorption of vapours; direct search optimization methods; digital signal processing; modelling and simulation of time course"@en . "Po\u017Eivil, Jaroslav" . "Data z\u00EDskan\u00E1 v pr\u016Fb\u011Bhu gravimetrick\u00FDch sorp\u010Dn\u00EDch experiment\u016F jsou zkreslena n\u00E1hodn\u00FDm \u0161umem a nav\u00EDc mohou b\u00FDt zat\u00ED\u017Eena hrub\u00FDmi n\u00E1hodn\u00FDmi chybami. \u0160um a chyby neobsahuj\u00ED \u017E\u00E1dn\u00E9 u\u017Eite\u010Dn\u00E9 informace pro ur\u010Den\u00ED difuzn\u00EDch koeficient\u016F a mohou v\u00FDsledky v\u00FDrazn\u011B ovliv\u0148ovat. V p\u0159\u00EDsp\u011Bvku se pou\u017E\u00EDvaj\u00ED poznatky z r\u016Fzn\u00FDch v\u011Bdn\u00EDch obor\u016F tak, aby informace obsa\u017Een\u00E9 v experiment\u00E1ln\u00EDch datech byly co nejv\u00EDce vyu\u017Eity. Postup vych\u00E1z\u00ED z poznatk\u016F modelov\u00E1n\u00ED a simulace, teorie automatick\u00E9ho \u0159\u00EDzen\u00ED, experiment\u00E1ln\u00ED identifikace, filtrace a zpracov\u00E1n\u00ED \u010D\u00EDslicov\u00FDch sign\u00E1l\u016F a neline\u00E1rn\u00ED optimalizace. Standardn\u00ED teoretick\u00FD model popisuj\u00EDc\u00ED dynamiku sorpce organick\u00FDch par na polymern\u00EDch membr\u00E1n\u00E1ch je modifikov\u00E1n vzhledem k dynamick\u00FDm vlastnostem m\u011B\u0159ic\u00ED kom\u016Frky. Simulovan\u00FD pr\u016Fb\u011Bh tlaku p\u00E1ry po jej\u00EDm vst\u0159\u00EDknut\u00ED do m\u011B\u0159ic\u00ED kom\u016Frky pak l\u00E9pe odpov\u00EDd\u00E1 nam\u011B\u0159en\u00FDm dat\u016Fm. N\u00E1hodn\u00FD \u0161um se z u\u017Eite\u010Dn\u00E9ho sign\u00E1lu eliminuje pou\u017Eit\u00EDm dolnopropustn\u00FDch Butterworthov\u00FDch digit\u00E1ln\u00EDch filtr\u016F s vhodn\u011B volenou mezn\u00ED frekvenc\u00ED. Parametry matematick\u00E9ho modelu (difuzn\u00ED koeficient, \u010Dasov\u00E1 konstanta m\u011B\u0159ic\u00ED kom\u016Frky, po\u010D\u00E1te\u010Dn\u00ED a koncov\u00E1 hodnota sign\u00E1lu a jeho \u010Dasov\u00E9 zpo\u017Ed\u011Bn\u00ED) se ur\u010D\u00ED simula\u010Dn\u011B pomoc\u00ED \u00FA\u010Dinn\u00E9 optimaliza\u010Dn\u00ED metody (Nelder-Meadova metoda pru\u017En\u00E9ho mnohost\u011Bnu)."@cs . "2011-10-24+02:00"^^ . "229327" . "Data obtained during gravimetric sorption experiments are often distorted by random noise and also can be corrupted with random or systematic gross errors. Noise and errors do not contain any useful information and can significantly affect the results of diffusion coefficient calculations. Knowledge of different disciplines is applied in the paper to utilize the information contained in experimental data as much as possible. The computational procedure is based on modelling and simulation, control theory, experimental identification, digital signal filtering and processing and nonlinear optimization. The standard theoretical model describing the dynamics of sorption of organic vapours in polymeric membranes is modified in view of dynamic characteristics of the measuring chamber. Calculated values of vapour pressure after its injection into the measuring chamber fit then to measured data better. Random noise is eliminated from effective signal by use of a low-pass Butterworth digital filter with a suitably chosen cut-off frequency. Parameters of mathematical model (diffusion coefficient, time constant of the measuring chamber, the initial and final value of the signal and its time delay) are calculated using the Nelder-Mead flexible polyhedron method."@en . . . . "Hynek, Vladim\u00EDr" . "Srn\u00ED" . . . "Simulation of sorption experiments time course"@en . "\u0160\u00EDpek, Milan" . . "Friess, Karel" .