Real-Time Interval Type-2 Fuzzy Control of an Unmanned Aerial Vehicle with Flexible Cable-Connected Payload

Fethi Candan*, Omer Faruk Dik, Tufan Kumbasar, Mahdi Mahfouf*, Lyudmila Mihaylova

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

This study presents the design and real-time applications of an Interval Type-2 Fuzzy PID (IT2-FPID) control system on an unmanned aerial vehicle (UAV) with a flexible cable-connected payload in comparison to the PID and Type-1 Fuzzy PID (T1-FPID) counterparts. The IT2-FPID control has significant stability, disturbance rejection, and response time advantages. To prove and show these advantages, the DJI Tello, a commercial UAV, is used with a flexible cable-connected payload to test the robustness of PID, T1-FPID, and IT2-FPID controllers. First, the optimal coefficients of the compared controllers are found using the Big Bang–Big Crunch algorithm via the nonlinear UAV model without the payload. Second, once optimised, the controllers are tested using several scenarios, including disturbing the payload and the coverage path planning area to examine their robustness. Third, the controller performance results are evaluated according to reference achievement and point-based tracking under disturbances. Finally, the superiority of the IT2-FPID controller is shown via simulations and real-time experiments with a better overshoot, a faster settling time, and good properties of disturbance rejection compared with the PID and the T1-FPID controllers.

Original languageEnglish
Article number273
JournalAlgorithms
Volume16
Issue number6
DOIs
Publication statusPublished - Jun 2023

Bibliographical note

Publisher Copyright:
© 2023 by the authors.

Funding

We acknowledge the Turkish government for funding the doctoral scholarship of Fethi Candan. T. Kumbasar was supported by the BAGEP Award of the Science Academy and the TUBA GEBIP award from the Turkish Academy of Sciences.

FundersFunder number
TUBA
Türkiye Bilimler Akademisi
Bilim Akademisi

    Keywords

    • autonomy
    • fuzzy PID controller
    • interval type-2 fuzzy controller
    • nano quadcopter
    • unmanned air vehicles

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