Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Stavroula Kapoulea"'
Autor:
Stavroula Kapoulea, Abdullah Yesil, Costas Psychalinos, Shahram Minaei, Ahmed S. Elwakil, Panagiotis Bertsias
Publikováno v:
IEEE Access, Vol 9, Pp 145977-145987 (2021)
Low-pass and high-pass non-integer order shelving filter designs, which are suitable for acoustic applications, are presented in this work. A first design is based on a standard fractional-order bilinear transfer function, while a second one is based
Externí odkaz:
https://doaj.org/article/8aba46b56f934ab587ae8298735d6d89
Publikováno v:
Fractal and Fractional, Vol 6, Iss 2, p 111 (2022)
A generalized structure that is capable of implementing power-law filters derived from 1st and 2nd-order mother filter functions is presented in this work. This is achieved thanks to the employment of Operational Transconductance Amplifiers (OTAs) as
Externí odkaz:
https://doaj.org/article/210006a628b4418781214607eba64ec9
Publikováno v:
Fractal and Fractional, Vol 5, Iss 4, p 218 (2021)
A simple and direct procedure for implementing fractional-order filters with transfer functions that contain Laplace operators of different fractional orders is presented in this work. Based on a general fractional-order transfer function that descri
Externí odkaz:
https://doaj.org/article/51a5c1afb3ed41bcb0c74d7bad3a8d6d
Autor:
Evisa Memlikai, Stavroula Kapoulea, Costas Psychalinos, Jerzy Baranowski, Waldemar Bauer, Andrzej Tutaj, Paweł Piątek
Publikováno v:
Fractal and Fractional, Vol 5, Iss 2, p 46 (2021)
An alternative procedure for the implementation of fractional-order compensators is presented in this work. The employment of a curve-fitting-based approximation technique for the approximation of the compensator transfer function offers improved acc
Externí odkaz:
https://doaj.org/article/2c72871010cf4bc6a8071a54021aaaca
Publikováno v:
Journal of Low Power Electronics and Applications, Vol 11, Iss 2, p 26 (2021)
Fractional-order controllers have gained significant research interest in various practical applications due to the additional degrees of freedom offered in their tuning process. The main contribution of this work is the analog implementation, for th
Externí odkaz:
https://doaj.org/article/f96b99ea0d3448cb8680d2df24547108
Publikováno v:
Fractal and Fractional, Vol 4, Iss 4, p 54 (2020)
The Cole–Davidson function is an efficient tool for describing the tissue behavior, but the conventional methods of approximation are not applicable due the form of this function. In order to overcome this problem, a novel scheme for approximating
Externí odkaz:
https://doaj.org/article/3b0ce826001e4159a196a93de323fda1
Publikováno v:
Journal of Low Power Electronics and Applications, Vol 10, Iss 2, p 18 (2020)
The fractional-order lung impedance model of the human respiratory tree is implemented in this paper, using Operational Transconductance Amplifiers. The employment of such active element offers electronic adjustment of the impedance characteristics i
Externí odkaz:
https://doaj.org/article/4e5be84cfe6e43559a43ae3d6487767e
Publikováno v:
2022 29th IEEE International Conference on Electronics, Circuits and Systems (ICECS).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a31c31b6eb03fd7f64001898185c620
https://doi.org/10.1109/icecs202256217.2022.9971041
https://doi.org/10.1109/icecs202256217.2022.9971041
Publikováno v:
Integration. 80:5-12
A novel procedure for the realization of a fractional-order PID loop-shaping controller, suitable for precision control of mechatronic systems, is introduced in this work. Exploiting appropriate tools, the controller function is approximated as a who
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f5b33c0617aa41a69c5a1a3d92cd501
https://doi.org/10.1016/j.vlsi.2021.04.009
https://doi.org/10.1016/j.vlsi.2021.04.009
Publikováno v:
Circuits, Systems, and Signal Processing. 40:5799-5812
Novel double-dispersion models based on power-law filters are introduced in this work. These models are based on standard first-order and/or second-order low-pass filter transfer functions (denoted as mother functions) and do not require the employme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f0150f61016f3c146580c402e81eba8
https://doi.org/10.1007/s00034-021-01755-0
https://doi.org/10.1007/s00034-021-01755-0