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https://open.uns.ac.rs/handle/123456789/2229
Title: | Analysis of the band-pass and notch filter with dynamic damping of fractional order including discrete models | Authors: | Bošković M. Šekara T. Rapaić, Milan Lutovac B. Daković M. Govedarica V. |
Issue Date: | 1-Jan-2018 | Journal: | Telfor Journal | Abstract: | © 2018 Academic Mind. The paper presents analysis of the second order band-pass and notch filter with a dynamic damping factor β d of fractional order. Factor βd is given in the form of fractional differentiator of order α, i.e. β d =β/ sα , where β and α are adjustable parameters. The aim of the paper is to exploit an extra degree of freedom of presented filters to achieve the desired filter specifications and obtain a desired response in the frequency and time domain. Shaping of the frequency response enables achieving a better phase response compared to the integer-order counterparts which is of great concern in many applications. For the implementation purpose, the paper presents a comparison of four discretization techniques: the Osutaloup's Recursive Algorithm (ORA+Tustin), Continued Fractional Expansion (CFE+Tustin), Interpolation of Frequency Characteristic (IFC+Tustin) and recently proposed AutoRegressive with eXogenous input (ARX)-based direct discretization method. | URI: | https://open.uns.ac.rs/handle/123456789/2229 | ISSN: | 18213251 | DOI: | 10.5937/telfor1801032B |
Appears in Collections: | FTN Publikacije/Publications |
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