Zobrazeno 1 - 10
of 310
pro vyhledávání: '"Waldemar WÓJCIK"'
Publikováno v:
International Journal of Electronics and Telecommunications, Vol 69, Iss 4, Pp 819-824 (2023)
In this article, a monitoring system based on IoT technologies of the substation electrical system in the Republic of Kazakhstan was developed. At the moment, the operation of power systems is extremely important to maintain the frequency of electric
Externí odkaz:
https://doaj.org/article/ab3efeb0d777433aa3c9b00b6f87b17f
Autor:
Aidana Kalabayeva, Waldemar Wójcik, Gulzhan Kashaganova, Kulzhan Togzhanova, Zhaksygul Sarybayeva
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 69, Iss No 3, Pp 615-620 (2023)
The operating modes of the automatic control system for electromechanical converters for synchronization of rotor speeds have been developed and investigated. The proposed automatic speed control system allows adjusting the slave engine to the master
Externí odkaz:
https://doaj.org/article/6eccf532ecef4757b4ac72cfe2e71c9d
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 69, Iss No 2, Pp 383-389 (2023)
The paper presents a solution to the problem of synthesis of control with respect to the sliding interval length for the optimization of a class of discrete linear multidimensional objects with a quadratic performance criterion. The equation of motio
Externí odkaz:
https://doaj.org/article/b046fe7253d54b43972ceee0379ea257
Autor:
Waldemar Wójcik, Oleh V. Bereziuk, Mykhailo S. Lemeshev, Volodymyr V. Bohachuk, Leonid K. Polishchuk, Oksana Bezsmertna, Saule Smailova, Saule Kurmagazhanova
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 69, Iss No 2, Pp 233-238 (2023)
In the article, a device for measuring the parameters of the rotational movement of the auger for dewatering solid waste is proposed based on the analysis of signal processing methods and measurement of physical quantities. It can be used in the deve
Externí odkaz:
https://doaj.org/article/4dc3019648e548d7b7dd9be988ae68b6
Autor:
Waldemar Wójcik, Zhengbing Hu, Yuriy Ushenko, Andrzej Smolarz, Iryna Soltys, Oleksander Dubolazov, Oleksander Ushenko, Olexandra Litvinenko, Ivan Mikirin, Ivan Gordey, Oleksandr Pavlyukovich, Sergii Pavlov, Natalia Pavlyukovich, Saltanat Amirgaliyeva, Aliya Kalizhanova, Zhalau Aitkulov
Publikováno v:
Sensors, Vol 24, Iss 5, p 1589 (2024)
Our work uses a polarization matrix formalism to analyze and algorithmically represent optical anisotropy by open dehydration of blood plasma films. Analytical relations for Jones matrix reconstruction of optical birefringence maps of protein crystal
Externí odkaz:
https://doaj.org/article/3b76e97dd7094d8aa7923891895d6fdc
Autor:
Żaklin Grądz, Waldemar Wójcik, Konrad Gromaszek, Andrzej Kotyra, Saule Smailova, Aigul Iskakova, Bakhyt Yeraliyeva, Saule Kumargazhanova, Baglan Imanbek
Publikováno v:
Energies, Vol 17, Iss 1, p 212 (2023)
Coal remains one of the key raw materials used in the energy industry to generate electricity and heat. As a result, diagnostics of the combustion process is still an important topic of scientific research. Correct implementation of the process allow
Externí odkaz:
https://doaj.org/article/a5bc120ad4b64f63a35097d1fa82d9f9
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 69, Iss No 4, Pp 655-600 (2023)
This paper investigates the possibility of automatically linearizing nonlinear models. Constructing a linearised model for a nonlinear system is quite labor-intensive and practically unrealistic when the dimension is greater than 3. Therefore, it is
Externí odkaz:
https://doaj.org/article/e053dc170b8c4daba0cffa09c01e45db
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 67, Iss No 3, Pp 363-368 (2021)
This paper is focused on multiple soft fault diagnosis of linear time-invariant analog circuits and brings a method that achieves all objectives of the fault diagnosis: detection, location, and identification. The method is based on a diagnostic test
Externí odkaz:
https://doaj.org/article/1da25438deac49aaac6097a3ebb9e737
Autor:
Tansaule Serikov, Аinur Zhetpisbayeva, Ainur Аkhmediyarova, Sharafat Mirzakulova, Aigerim Kismanova, Aray Tolegenova, Waldemar Wójcik
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 67, Iss No 3, Pp 319-324 (2021)
The work considers a one-dimensional time series protocol packet intensity, measured on the city backbone network. The intensity of the series is uneven. Scattering diagrams are constructed. The Dickie Fuller test and Kwiatkowski-Phillips Perron-Shin
Externí odkaz:
https://doaj.org/article/a62d84eee6124428844a240b89c0b8d0
Autor:
Liudmyla Shkilniak, Waldemar Wójcik, Sergii Pavlov, Oleg Vlasenko, Tetiana Kanishyna, Irina Khomyuk, Oleh Bezverkhyi, Sofia Dembitska, Orken Mamyrbayev, Aigul Iskakova
Publikováno v:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, Vol 12, Iss 3 (2022)
The paper analyzes the main areas of application of mathematical methods in medical diagnostics, formulates principles of diagnostics based on fuzzy logic; developed mathematical models and algorithms that formalize the process of making diagnostic d
Externí odkaz:
https://doaj.org/article/3ca51112bb184238907dd47a7e944887