Research on motion driving and tracking control of 3-DOF parallel stabilized platform

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

2 Citations (Scopus)

Abstract

The stabilized platform can keep the equipment's horizontal attitude above the carrier stable, provide a relative safe working environment, and possess the motion simulation function. Due to unknown and time-varying environmental information, the platform's stability control is susceptible to mechanical resonance, parameter gain chattering, and response lag. This paper proposes a three-degree-of-freedom (3-DOF) parallel stabilized platform and elaborates the design concept. A sliding mode variable structure controller (SMC) in single-cylinder based on the Lyapunov stability theory is designed, and we discuss the controller's adjustability. SMC improves system's control accuracy and environmental adaptability. Switching feedforward control method is applied to achieve horizontal postures stability. Attitude tracking experiments are carried out under different disturbance conditions to verify the feasibility of the algorithm.

Original languageEnglish
Title of host publicationProceedings of the 40th Chinese Control Conference, CCC 2021
EditorsChen Peng, Jian Sun
PublisherIEEE Computer Society
Pages2784-2789
Number of pages6
ISBN (Electronic)9789881563804
DOIs
Publication statusPublished - 26 Jul 2021
Event40th Chinese Control Conference, CCC 2021 - Shanghai, China
Duration: 26 Jul 202128 Jul 2021

Publication series

NameChinese Control Conference, CCC
Volume2021-July
ISSN (Print)1934-1768
ISSN (Electronic)2161-2927

Conference

Conference40th Chinese Control Conference, CCC 2021
Country/TerritoryChina
CityShanghai
Period26/07/2128/07/21

Keywords

  • 3-DOF platform
  • Attitude tracking
  • Feedforward switching
  • Sliding mode control

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