Publication result detail

Generalized Approach for Fractional-Order Low-Pass Butterworth Filter Realization with an Inverse Follow the Leader Filter (IFLF) Topology

ALDRIDGE, R.; KUBÁNEK, D.; KOTON, J.; FREEBORN, T.

Original Title

Generalized Approach for Fractional-Order Low-Pass Butterworth Filter Realization with an Inverse Follow the Leader Filter (IFLF) Topology

English Title

Generalized Approach for Fractional-Order Low-Pass Butterworth Filter Realization with an Inverse Follow the Leader Filter (IFLF) Topology

Type

Paper in proceedings (conference paper)

Original Abstract

This research presents a generalized approach to determine the coefficients to realize any (N+α) fractional-order low-pass Butterworth response using transfer function forms based on the Inverse Follow the Leader Filter (IFLF) topology. This approach automates the process to create and assemble the required transfer function (based on user specified values) and then apply a numerical optimization to estimate the necessary coefficients to achieve the target filter magnitude response. MATLAB simulations of (2+α) and (10+α) order filters using the generalized approach validate the process. Further, an experimental 2.5-order low-pass filter is experimentally realized (using an approximated fractional-order capacitor) to validate the characteristics of a low-pass filter designed using this process.

English abstract

This research presents a generalized approach to determine the coefficients to realize any (N+α) fractional-order low-pass Butterworth response using transfer function forms based on the Inverse Follow the Leader Filter (IFLF) topology. This approach automates the process to create and assemble the required transfer function (based on user specified values) and then apply a numerical optimization to estimate the necessary coefficients to achieve the target filter magnitude response. MATLAB simulations of (2+α) and (10+α) order filters using the generalized approach validate the process. Further, an experimental 2.5-order low-pass filter is experimentally realized (using an approximated fractional-order capacitor) to validate the characteristics of a low-pass filter designed using this process.

Keywords

Capacitors;Low-pass filters;Transfer functions;Filtering algorithms;Approximation algorithms;Topology;Numerical models;MATLAB;Integrated circuit modeling;Optimization

Key words in English

Capacitors;Low-pass filters;Transfer functions;Filtering algorithms;Approximation algorithms;Topology;Numerical models;MATLAB;Integrated circuit modeling;Optimization

Authors

ALDRIDGE, R.; KUBÁNEK, D.; KOTON, J.; FREEBORN, T.

Released

22.03.2025

Publisher

IEEE

Location

Concord, NC, USA

ISBN

979-8-3315-0484-7

Book

Proceedings of IEEE SoutheastCon 2025 Conference

Pages from

1596

Pages to

1602

Pages count

7

URL

https://ieeexplore.ieee.org/document/10971674

BibTex

@inproceedings{BUT197770,
  author="Rowan {Aldridge} and David {Kubánek} and Jaroslav {Koton} and Todd {Freeborn}",
  title="Generalized Approach for Fractional-Order Low-Pass Butterworth Filter Realization with an Inverse Follow the Leader Filter (IFLF) Topology",
  booktitle="Proceedings of IEEE SoutheastCon 2025 Conference",
  year="2025",
  pages="1596--1602",
  publisher="IEEE",
  address="Concord, NC, USA",
  doi="10.1109/SoutheastCon56624.2025.10971674",
  isbn="979-8-3315-0484-7",
  url="https://ieeexplore.ieee.org/document/10971674"
}