Fractional order controller development and investigation

The concept of fractional calculus is developing to a state where it can be applied into the field of engineering. One of such application would be the proportional-integral-derivative (PID) controller. This report aims to find out if fractional-order (FO) PID controller provides better performance...

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Bibliographic Details
Main Author: Lim, Sheng Hong
Other Authors: Wen Changyun
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2022
Subjects:
Online Access:https://hdl.handle.net/10356/158015
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Institution: Nanyang Technological University
Language: English
Description
Summary:The concept of fractional calculus is developing to a state where it can be applied into the field of engineering. One of such application would be the proportional-integral-derivative (PID) controller. This report aims to find out if fractional-order (FO) PID controller provides better performance over the standard industrial PID controller. A series of test will be performed on different type of plant, and they are conducted in MATLAB/Simulink where numerical computation can be done with ease. Through the test, FO-PID and integer-order (IO) PID will be optimally tuned, and their performance will be analysed using step-response. It was concluded that FO-PID controller outperformed IO-PID controller as it gave the best transient response, produced the most accurate steady-state output and had better robustness against imperfection in the plant. As such, implementation of FO-PID controller in the field of control industry was recommended.