Computer Science > Robotics
[Submitted on 30 May 2021 (v1), last revised 16 May 2022 (this version, v2)]
Title:On the Controllers Based on Time Delay Estimation for Robotic Manipulators
View PDFAbstract:Assurance of asymptotic trajectory tracking in robotic manipulators with a smooth control law in the presence of unmodeled dynamics or external disturbance is a challenging problem. Recently, it is asserted that it is achieved via a rigorous proof by designing a traditional model-free controller together with time delay estimation (TDE) such that neither dynamical parameters nor conservative assumptions on external disturbance are required. The purpose of this note is to show that this claim is not true and the stability proof of the method is incorrect. Finally, some modified versions of this controller with rigorous proof is presented for robotic manipulators.
Submission history
From: Mohammad Reza Jafari Harandi [view email][v1] Sun, 30 May 2021 20:10:26 UTC (44 KB)
[v2] Mon, 16 May 2022 13:01:52 UTC (71 KB)
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