Higher order fuzzy logic in controlling selective catalytic reduction systems

• Autorzy: Niewiadomski A. , Kacprowicz M.

Identyfikatory

DOI

10.2478/bpasts-2014-0080

• Języki publikacji: EN

Abstrakty

EN

This paper presents research on applications of fuzzy logic and higher-order fuzzy logic systems to control filters reducing air pollution [1]. The filters use Selective Catalytic Reduction (SCR) method and, as for now, this process is controlled manually by a human expert. The goal of the research is to control an SCR system responsible for emission of nitrogen oxide (NO) and nitrogen dioxide (NO2) to the air, using SCR with ammonia (NH3). There are two higher-order fuzzy logic systems presented, applying interval-valued fuzzy sets and type-2 fuzzy sets, respectively. Fuzzy sets and higher order fuzzy sets describe linguistically levels of nitrogen oxides as the input, and settings of ammonia valve in the air filter as the output. The obtained results are consistent with data provided by experts. Besides, we show that the type-2 fuzzy logic controllers allows us to obtain results much closer to desired parameters of the ammonia valve, than traditional FLS.

Słowa kluczowe

EN

Selective Catalytic Reduction; SCR; air pollution; nitrogen oxides; adjustable air filter; ammonia valve; interval-valued fuzzy logic system; fuzzy controlling of air filter adjustments; type-2 fuzzy logic system; fuzzy implications

PL

selektywna redukcja katalityczna SCR; zanieczyszczenia powietrza; tlenki azotu; regulowane filtry powietrza; zawór amoniaku; rozmyte kontrolowanie zmian filtra powietrza; typ-2 systemu logiki rozmytej; implikacja rozmyta

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2014
• Tom: Vol. 62, nr 4
• Strony: 743--750
• Opis fizyczny: Bibliogr. 20, rys., tab.

Twórcy

autor

Niewiadomski A.

• Institute of Information Technology, Lodz University of Technology, 215 Wólczańska St., 90-924 Łódź, Poland

autor

Kacprowicz M.

• Institute of Information Technology, Lodz University of Technology, 215 Wólczańska St., 90-924 Łódź, Poland
• Institute of Social Sciences and Computer Science, Higher Vocational State School in Włocławek, 17 3-go Maja St., 87-800 Włocławek, Poland

Bibliografia

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