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Attitude Tracking Control for Quadrotors under Unknown Disturbances Based on Dual-Loop Nonlinear Command Filters

  • Harbin Institute of Technology
  • Peng Cheng Laboratory
  • Ningbo Institute of Intelligent Equipment Technology Company Ltd

Research output: Contribution to journalArticlepeer-review

Abstract

Attitude tracking of quadrotors under external disturbances is a challenging problem. This brief presents a backstepping method that integrates a function-adaptive rule designed as an attitude controller for quadrotors. The adaptive law based on command filters is capable of achieving an online adaptive approximation of the unknown function of the system without requiring any additional function-fitting technology. The command filter is designed as a unique double-loop nonlinear structure that can estimate the derivative of unknown signals. The system's stability is proven using the Lyapunov criteria. The experiments are carried out for the Hover system. The results verify the effectiveness of the designed controller.

Original languageEnglish
Pages (from-to)2769-2773
Number of pages5
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
Volume71
Issue number5
DOIs
StatePublished - 1 May 2024

Keywords

  • Attitude tracking
  • backstepping
  • command filter
  • quadrotors
  • unknown disturbances

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