Please use this identifier to cite or link to this item: https://idr.l1.nitk.ac.in/jspui/handle/123456789/15102
Title: Tuning optimal PID controllers for open loop unstable first order plus time delay systems by minimizing ITAE criterion
Authors: Sankar Rao C.
Santosh S.
Dhanya Ram V.
Issue Date: 2020
Citation: IFAC-PapersOnLine , Vol. 53 , 1 , p. 123 - 128
Abstract: The present paper gives an optimal tuning procedure for design of Proportional Integral Derivative (PID) controllers for open loop unstable First Order plus Time Delay systems. Estimation of the optimal PID controller parameters: kc, tI and tD is carried out by minimizing the time integral performance criteria:ITAE(Integral of Time-weighted Absolute Error) for a setpoint tracking problem. Results of the simulation for linear transfer functions and nonlinear isothermal CSTR reveals the proposed tuning approach provides enhanced performance for the set-point tracking and disturbance rejection with improved time domain specifications. To evaluate the superiority of the proposed method over others, robustness analysis with complimentary sensitivity function is carried out. © 2020, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.
URI: https://doi.org/10.1016/j.ifacol.2020.06.021
http://idr.nitk.ac.in/jspui/handle/123456789/15102
Appears in Collections:2. Conference Papers

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