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Pseudo Predictor-Based Fully Actuated System Approach for Trajectory Tracking of Space Manipulators with a Constant Input Delay

  • Xujie Zhang
  • , Jinpeng Fan
  • , Guangren Duan*
  • , Guangtai Tian
  • *Corresponding author for this work
  • Southern University of Science and Technology
  • Sichuan University

Research output: Contribution to journalConference articlepeer-review

Abstract

We investigate the trajectory tracking control of space manipulators with a constant input delay via a novel fully actuated system (FAS) approach. By transforming the original system into error dynamics, we propose a pseudo predictor-based FAS controller which leverages the user-specified constant closed loop to predict future errors. A Lyapunov-Krasovskii (LK) functional-based stability analysis is then developed to guarantee the uniform ultimate boundedness (UUB) of the tracking error.

Original languageEnglish
Pages (from-to)2555-2560
Number of pages6
JournalIFAC-PapersOnLine
Volume59
Issue number20
DOIs
StatePublished - 1 Aug 2025
Event23th IFAC Symposium on Automatic Control in Aerospace, ACA 2025 - Harbin, China
Duration: 2 Aug 20256 Aug 2025

Keywords

  • Space manipulators
  • fully actuated system (FAS) approach
  • predictor design
  • time-delay systems
  • trajectory tracking

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