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Abstract
In this paper, a new numerical method of evaluating digital filter stability is presented. This approach is based on novel root-finding algorithms at the complex plane using the Delaunay triangulation and Cauchy's Argument Principle. The presented algorithm locates unstable zeros of the characteristic equation with their multiplicities. The proposed method is generic and can be applied to a vast range of systems. Verification of this method is presented with benchmarks that include integer-order and fractional-order digital filters.
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Authors (2)
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Lukasz Grzymkowski
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- Category:
- Conference activity
- Type:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Title of issue:
- 2018 25th International Conference "Mixed Design of Integrated Circuits and System" (MIXDES) strony 351 - 354
- Language:
- English
- Publication year:
- 2018
- Bibliographic description:
- Grzymkowski L., Stefański T.: A New Approach to Stability Evaluation of Digital Filters// 2018 25th International Conference "Mixed Design of Integrated Circuits and System" (MIXDES)/ ed. Andrzej Napieralski Łódź: Politechnika Łódzka, 2018, s.351-354
- DOI:
- Digital Object Identifier (open in new tab) 10.23919/mixdes.2018.8436856
- Verified by:
- Gdańsk University of Technology
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