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UDC 681.2 Automation of chemical solution metering systems for urban water and wastewater treatment plants Natalia Sergeevna Malyavkina, lecturer of Control Systems Department of South Ural State University, Chelyabinsk, Russian Federation, n-info@bk.ru Natalia Valerievna Plotnikova, associate professor of Control Systems Department of South Ural State University, Chelyabinsk, Russian Federation, nat_pl@mail.ru Abstract The system of automatic chemical solution metering, used in urban water and wastewater treatment plants, is considered in the article. A functional diagram is proposed; simulation of Bessel filter of the third kind and Butterworth filters of the second and third kinds to rectify the signal is performed. Keywords automatic metering, noise, optimal filter References 1. Avtomatizirovannye sistemy upravleniya processami dozirovaniya / A.A. Denisov, V.S. Nagornyj, M.M. Telemtaev, V.P. Voevodin; pod obshch. red. V.S. Nagornogo. – L.: Mashinostroenie. Leningradskoe otdelenie, 1985. – 223 s. 2. Izerman, R. Cifrovye sistemy upravleniya / R. Izerman; per. s angl. S.P. Zabrodina; pod red. I.M. Makarova. – M.: Mir, 1984. – 541 s. Source Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control, Radio Electronics, 2012, iss. 17, no. 35 (294)
, pp. 154-156. (in Russ.) (Brief Reports) |