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A novel toolbox for automatic design of fractional order PI controllers based on automatic system identification from step response data

(2023) MATHEMATICS. 11(5).
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Abstract
This paper describes a novel automatic control toolbox, designed for non-experienced practitioners. Fractional order (FO) controllers are easily tuned with the main purpose of easy practical implementation. Experimental step data are required for the automatic FO controller tuning. An embedded system identification algorithm uses the step data to obtain a process model as a second order plus dead-time (SOPDT) system. Finally, the FO controller is computed based on the previously estimated SOPDT model in order to fulfil a set of user-imposed frequency domain performance specifications: phase margin, gain crossover frequency and gain margin maximization. Experimental step response data from a strongly nonlinear vertical take-off and landing unit have been used to design an FO controller using the toolbox. The experimental closed loop results validate the proposed toolbox. The end result is a user-friendly automatic fractional order controller tuning with endless possibilities of real-world applicability.
Keywords
FOPID CONTROLLERS, FOPDT, control toolbox, automatic system identification, automatic tuning of fractional order controllers, experimental validation, vertical take-off and landing

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MLA
Muresan, Cristina I., et al. “A Novel Toolbox for Automatic Design of Fractional Order PI Controllers Based on Automatic System Identification from Step Response Data.” MATHEMATICS, vol. 11, no. 5, 2023, doi:10.3390/math11051097.
APA
Muresan, C. I., Bunescu, I., Birs, I. R., & De Keyser, R. (2023). A novel toolbox for automatic design of fractional order PI controllers based on automatic system identification from step response data. MATHEMATICS, 11(5). https://doi.org/10.3390/math11051097
Chicago author-date
Muresan, Cristina I., Iulia Bunescu, Isabela Roxana Birs, and Robain De Keyser. 2023. “A Novel Toolbox for Automatic Design of Fractional Order PI Controllers Based on Automatic System Identification from Step Response Data.” MATHEMATICS 11 (5). https://doi.org/10.3390/math11051097.
Chicago author-date (all authors)
Muresan, Cristina I., Iulia Bunescu, Isabela Roxana Birs, and Robain De Keyser. 2023. “A Novel Toolbox for Automatic Design of Fractional Order PI Controllers Based on Automatic System Identification from Step Response Data.” MATHEMATICS 11 (5). doi:10.3390/math11051097.
Vancouver
1.
Muresan CI, Bunescu I, Birs IR, De Keyser R. A novel toolbox for automatic design of fractional order PI controllers based on automatic system identification from step response data. MATHEMATICS. 2023;11(5).
IEEE
[1]
C. I. Muresan, I. Bunescu, I. R. Birs, and R. De Keyser, “A novel toolbox for automatic design of fractional order PI controllers based on automatic system identification from step response data,” MATHEMATICS, vol. 11, no. 5, 2023.
@article{01H39JVWA87FN0C8F51ZVJ9H6Z,
  abstract     = {{This paper describes a novel automatic control toolbox, designed for non-experienced practitioners. Fractional order (FO) controllers are easily tuned with the main purpose of easy practical implementation. Experimental step data are required for the automatic FO controller tuning. An embedded system identification algorithm uses the step data to obtain a process model as a second order plus dead-time (SOPDT) system. Finally, the FO controller is computed based on the previously estimated SOPDT model in order to fulfil a set of user-imposed frequency domain performance specifications: phase margin, gain crossover frequency and gain margin maximization. Experimental step response data from a strongly nonlinear vertical take-off and landing unit have been used to design an FO controller using the toolbox. The experimental closed loop results validate the proposed toolbox. The end result is a user-friendly automatic fractional order controller tuning with endless possibilities of real-world applicability.}},
  articleno    = {{1097}},
  author       = {{Muresan, Cristina I. and  Bunescu, Iulia and Birs, Isabela Roxana and De Keyser, Robain}},
  issn         = {{2227-7390}},
  journal      = {{MATHEMATICS}},
  keywords     = {{FOPID CONTROLLERS,FOPDT,control toolbox,automatic system identification,automatic tuning of fractional order controllers,experimental validation,vertical take-off and landing}},
  language     = {{eng}},
  number       = {{5}},
  pages        = {{17}},
  title        = {{A novel toolbox for automatic design of fractional order PI controllers based on automatic system identification from step response data}},
  url          = {{http://doi.org/10.3390/math11051097}},
  volume       = {{11}},
  year         = {{2023}},
}

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