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Trajectory and vibration control of a flexible joint manipulator using interval type-2 fuzzy logic.

Authors
  • Kelekci, Ethem1
  • Kizir, Selcuk2
  • 1 Department of Mechatronics Engineering, Kocaeli University, Kocaeli, Turkey. Electronic address: [email protected] , (Turkey)
  • 2 Department of Mechatronics Engineering, Kocaeli University, Kocaeli, Turkey. Electronic address: [email protected] , (Turkey)
Type
Published Article
Journal
ISA transactions
Publication Date
Nov 01, 2019
Volume
94
Pages
218–233
Identifiers
DOI: 10.1016/j.isatra.2019.04.001
PMID: 31003700
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

This study presents the development of a novel interval type-2 fuzzy logic controller for real time trajectory and vibration control of a flexible joint manipulator. The controller is designed on the Mamdani based interval type-2 fuzzy logic toolbox, which is developed by the authors, using interval triangular membership functions and Karnik-Mendel type reduction algorithm. The closed-loop stability of the system is proved based on Lyapunov stability theorem. In order to observe the effectiveness and robustness of the proposed controller to variations of system parameters (change in link length and payload), the experimental results of interval type-2 and conventional type-1 fuzzy logic controllers are compared. The results show that proposed controller clearly improves the link vibration and trajectory tracking behavior of the system. Copyright © 2019 ISA. Published by Elsevier Ltd. All rights reserved.

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