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Rational Approximation of Fractional-Order System with Multiple Fractional Powered Terms - A Comparative Study

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Intelligent Computing, Information and Control Systems (ICICCS 2019)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 1039))

Abstract

Rational approximation of the infinite dimensional fractional-order system (FOS) is necessary for their practical implementations. In this paper, two well known continuous-time approximation methods, namely, Charef approximation method and Oustaloup approximation method have been individually applied on a fractional-order transfer function having multiple fractional powered terms to obtain two different integer order approximants of the same FOS. The frequency response and the time response resulted from both the approximation methods have been compared subsequently using simulation results.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, School of Technology, North-Eastern Hill University, Shillong, 793022, Meghalaya, India

    Jaydeep Swarnakar & Wandarisa Sungoh

Authors
  1. Jaydeep Swarnakar
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  2. Wandarisa Sungoh
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Corresponding author

Correspondence to Jaydeep Swarnakar .

Editor information

Editors and Affiliations

  1. Department of Computer Science and Engineering, Vaigai College of Engineering, Madurai, Tamil Nadu, India

    A. Pasumpon Pandian

  2. Electrical and Computer Engineering, University of Applied Sciences, Egaleo, Attiki, Greece

    Klimis Ntalianis

  3. Department of Business Administration, The Gerald Schwartz School of Business, Antigonish, NS, Canada

    Ram Palanisamy

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Swarnakar, J., Sungoh, W. (2020). Rational Approximation of Fractional-Order System with Multiple Fractional Powered Terms - A Comparative Study. In: Pandian, A., Ntalianis, K., Palanisamy, R. (eds) Intelligent Computing, Information and Control Systems. ICICCS 2019. Advances in Intelligent Systems and Computing, vol 1039. Springer, Cham. https://doi.org/10.1007/978-3-030-30465-2_4

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