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Analytically derived disturbance rejection‐based PID controller tuning for second‐order plus dead time plants

Electronics letters, 2024-04, Vol.60 (8), p.n/a [Peer Reviewed Journal]

2024 The Authors. published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology. ;ISSN: 0013-5194 ;EISSN: 1350-911X ;DOI: 10.1049/ell2.13199

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  • Title:
    Analytically derived disturbance rejection‐based PID controller tuning for second‐order plus dead time plants
  • Author: Tavakoli, Saeed ; Safaei, Marzieh
  • Subjects: PID control ; robust control
  • Is Part Of: Electronics letters, 2024-04, Vol.60 (8), p.n/a
  • Description: This letter proposes a proportional‐integral‐derivative (PID) design method for second‐order plus dead time models based on a desired closed‐loop transfer function for load disturbance changes. Also, tuning rules for single integrating first‐order plus dead time models are provided. Using a two‐degree‐of‐freedom control scheme, the design problem considers load disturbance rejection, robustness to model uncertainties, and setpoint tracking. Three examples are used to assess the performance of the proposed method. Finally, the results are compared to two popular PID control design methodologies, skogestad internal model control or skogestad IMC (SIMC) and improved SIMC (iSIMC). In this letter, the authors present a PID design method for second‐order plus dead time models (and single integrating first‐order plus dead time models) based on a desirable closed‐loop transfer function for load disturbances. The design challenge takes into account load disturbance rejection, robustness to model uncertainties, and setpoint tracking using a 2DOF control framework. The results are compared to two common PID control design methodologies: SIMC and iSIMC.
  • Publisher: Wiley
  • Language: English
  • Identifier: ISSN: 0013-5194
    EISSN: 1350-911X
    DOI: 10.1049/ell2.13199
  • Source: DOAJ Directory of Open Access Journals
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