Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/85035
Type of publication: research article
Type of publication (PDB): Straipsnis kituose recenzuojamuose leidiniuose / Article in other peer-reviewed editions (S5)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Brazdeikis, Liudas
Title: Pievagrybių auginimo substrato temperatūros perdavimo funkcijos sudarymas
Other Title: Setting of the transfer function of the champignons growing substratum
Is part of: Žemės ūkio inžinerija. , [T.] 35, Nr. 1 (2003)
Extent: p. 59-71
Date: 2003
Keywords: Pievagrybių auginimas;Briketai, substrato;Temperatūra;Perdavimo funkcija;The growing of the champignons;Substratum briquette;Temperature;Function, transfer
Abstract: Darbo tikslas - matematiškai aprašyti pievagrybių auginimo substrato briketą kaip temperatūros automatinio reguliavimo sistemos (ARS) objektą, sudaryti briketo temperatūros perdavimo funkciją. Sudarytas temperatūros kitimo substrato brikete elektroanaloginis modelis. Modeliavimu suskaičiuotos briketo temperatūros reakcijos kreivės. Iš reakcijos kreivių žinomais automatinio reguliavimo teorijos metodais sudaryta substrato briketo temperatūros perdavimo funkcija. Modeliavimo rezultatams patikrinti atlikti eksperimentiniai tyrimai, kurių metu užregistruoti substrato briketo vidurio temperatūros pereinamieji procesai. Apdorojus užregistruotas kreives sudaryta substrato briketo temperatūros eksperimentinė perdavimo funkcija. Modeliavimu ir eksperimentais gautos perdavimo funkcijos palygintos su eksperimetiniais pereinamaisiais procesais. Nustatyta, kad substrato briketas temperatūros ARS gali būti vaizduojamas ir nagrinėjamas kaip pirmojo laipsnio aperiodinė grandis su vėlavimu
The goal of the research - to describe mathematical the briquette of champignons growing substratum as the object automatic control system (ACS) of temperature, to establish the transfer function of the briquette. It was designet the model of the temperature variation in the briquette of the substratum. The temperature reaction curve of the briquette was calculated by simulation. The temperature transfer function of the substratum briquette was formed from reaction curve using the automatic control methods witch are already known. In order to check the simulation results, experimental researches were done. During those researches the transitive processes of the temperature in the centre of substratum briquette were registered. After editing the curves, with were registered, it was formed the experimental transitive function, of the temperature in the centre of substratum briquette. The transfer function, with were received during stimulation and experiments, were compared with the experimental transitive processes. It was establisched that the substratum briquette in the ASC of temperature might be simulated and analysed as a periodical element with a lag
Internet: https://hdl.handle.net/20.500.12259/85035
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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