Event-Triggered Policy to Spacecraft Attitude Stabilization with Actuator Output Nonlinearities

Ming Zhe Dai, Bing Xiao, Chengxi Zhang, Jin Wu

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

This brief investigates event-triggered control for spacecraft attitude stabilization under the influence of actuator output nonlinearities. Under a designed event-triggered policy, the influences of actuators' inherent nonlinearity and network quantized transmission are evaluated under a unified framework. Compared with the previous results, the influences of data transmission and actuators' inherent nonlinearities are uniformly described as the actuator output nonlinearities, and the event-triggered policy reduces the effects of constants commonly introduced into triggering conditions on the final state convergence regions and achieves Zeno-free triggering. Simulations verify theoretical results.

Original languageEnglish
Article number9345979
Pages (from-to)2855-2859
Number of pages5
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
Volume68
Issue number8
DOIs
StatePublished - Aug 2021

Keywords

  • actuator output nonlinearities
  • event-triggered sampling
  • Spacecraft attitude control

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