Kinematic reliability of a dual-axis driving mechanism for satellite antenna considering joint clearance

Xinchen Zhuang, Bifeng Song, Tianxiang Yu

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

Abstract

The dual-axis driving mechanism is a space actuating mechanism for the satellite antenna to implement precise guidance and positioning. As a precision mechanism, joint clearance is bound to influence the kinematic accuracy. A kinematic reliability analysis method for a dual-axis driving mechanism considering joint clearance is developed in this study. Firstly, the relationship between the joint clearance and the kinematic parameters of the dual-axis driving mechanism is determined. Secondly, the position error model of the antenna reflector considering joint clearance is built based on the differential kinematics. Then, the mean and covariance matric of the position error is derived analytically. Finally, the kinematic reliability of the mechanism is calculated on the basis of the saddle point approximation. The effectiveness of the proposed method is validated by comparison with Monte Carlo simulation.

Original languageEnglish
Title of host publicationIET Conference Proceedings
PublisherInstitution of Engineering and Technology
Pages1124-1131
Number of pages8
Volume2022
Edition21
ISBN (Electronic)9781839538360
DOIs
StatePublished - 2022
Event12th International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering, QR2MSE 2022 - Emeishan, China
Duration: 27 Jul 202230 Jul 2022

Conference

Conference12th International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering, QR2MSE 2022
Country/TerritoryChina
CityEmeishan
Period27/07/2230/07/22

Keywords

  • component
  • dual-axis driving mechanism
  • erorr model
  • joint clerance
  • kinematic reliability

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