"Jednobodov\u00FD rel\u00E9ov\u00FD identifika\u010Dn\u00ED experiment na z\u00E1klad\u011B filtru s konstantn\u00ED f\u00E1z\u00ED"@cs . "Univerzita Pardubice" . "RIV/49777513:23520/08:00500011!RIV09-MPO-23520___" . . "Using standard relay identification methods, one obtains a critical frequency response point with the phase shift $-180$ degrees. Such phase is not optimal for consequential PI(D) controller design especially when there is no additional knowledge about the process (e.g. static gain). Currently, an adaptive filter is used to get a frequency response sample with different phase shift. Adaptive filter parameters are tuned during the identification experiment. Unfortunately, the adaptation makes the experiment more time consuming. This paper presents a new low-order filter providing arbitrary constant phase at about three decades. Such filter embedded into relay tuner shortens the experiment significantly. Further, the paper discusses several implementation aspect. The authors believe that presented approach may lead to improvement of existing relay autotuners" . . "Schlegel, Milo\u0161" . . . "Pardubice" . . . . "9"^^ . "\u010Cech, Martin" . "23520" . . "Tradi\u010Dn\u011B je z rel\u00E9ov\u00E9ho experimentu z\u00EDsk\u00E1v\u00E1n bod s f\u00E1zov\u00FDm zpo\u017Ed\u011Bn\u00EDm -180 stup\u0148\u016F. Tato f\u00E1ze ale nemus\u00ED b\u00FDt optim\u00E1ln\u00ED, zejm\u00E9na kdy\u017E nezn\u00E1me statick\u00E9 zes\u00EDlen\u00ED syst\u00E9mu. \u010Cl\u00E1nek popisuje filtr s konstatn\u00ED f\u00E1z\u00ED, pomoc\u00ED kter\u00E9ho m\u016F\u017Eeme identifikovat bod s libovoln\u00FDm f\u00E1zov\u00FDm zpo\u017Ed\u011Bn\u00EDm. D\u00EDky tomuto filtru mohou b\u00FDt vylep\u0161eny st\u00E1vaj\u00EDc\u00ED rel\u00E9ov\u00E9 tunery."@cs . "One point relay identification experiment based on constant-phase filter" . . . "Kouty nad Desnou" . "978-80-7395-077-4" . . "One point relay identification experiment based on constant-phase filter" . "RIV/49777513:23520/08:00500011" . . "Using standard relay identification methods, one obtains a critical frequency response point with the phase shift $-180$ degrees. Such phase is not optimal for consequential PI(D) controller design especially when there is no additional knowledge about the process (e.g. static gain). Currently, an adaptive filter is used to get a frequency response sample with different phase shift. Adaptive filter parameters are tuned during the identification experiment. Unfortunately, the adaptation makes the experiment more time consuming. This paper presents a new low-order filter providing arbitrary constant phase at about three decades. Such filter embedded into relay tuner shortens the experiment significantly. Further, the paper discusses several implementation aspect. The authors believe that presented approach may lead to improvement of existing relay autotuners"@en . "2008-06-12+02:00"^^ . "384836" . "Process Control 2008" . . . "3"^^ . . "P(FI-IM3/056)" . . "relay identification experiment; constant phase filter; fractional-order integrator"@en . "Jednobodov\u00FD rel\u00E9ov\u00FD identifika\u010Dn\u00ED experiment na z\u00E1klad\u011B filtru s konstantn\u00ED f\u00E1z\u00ED"@cs . . "3"^^ . "Mertl, Ji\u0159\u00ED" . "One point relay identification experiment based on constant-phase filter"@en . . "One point relay identification experiment based on constant-phase filter"@en . "[1374115BA611]" .