Adaptive variable-gain sliding mode control of robot manipulators with full state constraints

Yingqi Guo, Yufei Liu, Dongdong Zheng*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper introduces an adaptive variable gain sliding mode control strategy tailored for robotic manipulators with uncertainties and system constraints. A novel sliding surface is initially crafted to handle state constraints, where the gain is adjusted based on the proximity of system states to predefined constraints. Subsequently, an adaptive sliding mode control (SMC) scheme is formulated to ensure tracking error convergence. A neural network (NN) is harnessed to estimate uncertainties, with a composite learning approach developed to expedite NN weight updates. The Lyapunov framework validates the closed-loop system's stability, and simulations underscore the efficacy of the proposed identification and control algorithms.

Original languageEnglish
Title of host publicationProceedings of 2025 IEEE 14th Data Driven Control and Learning Systems Conference, DDCLS 2025
EditorsMingxuan Sun, Ronghu Chi
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1299-1304
Number of pages6
ISBN (Electronic)9798350357318
DOIs
Publication statusPublished - 2025
Event14th IEEE Data Driven Control and Learning Systems Conference, DDCLS 2025 - Wuxi, China
Duration: 9 May 202511 May 2025

Publication series

NameProceedings of 2025 IEEE 14th Data Driven Control and Learning Systems Conference, DDCLS 2025

Conference

Conference14th IEEE Data Driven Control and Learning Systems Conference, DDCLS 2025
Country/TerritoryChina
CityWuxi
Period9/05/2511/05/25

Keywords

  • full state constraints control
  • neural networks
  • robotic manipulator
  • Variable gain sliding mode control

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