DYNAMICS AND CONTROL FOR TRAJECTORY TRACKING OF PARALLEL SPACE CAPTURING ROBOT

Fei Liu, Quan Hu, Lei Liu, Xiaohui Li, Weihui Liu, Wen Wen, Jingchao Zhao

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

Abstract

Parallel mechanism is widely used in aerospace engineering because of its high structural rigidity, large load capacity, and precise motion ability. In this work, a parallel mechanism is utilized as the actuator of a free-floating robot for on-orbit target capturing. The target can be captured by the interior space of the mechanism. The resultant system is named as the parallel space robot (PSR). The PSR’s dynamics model is established from multibody perspective through Mag-gi-Kane’s method. A finite time adaptive controller and a torque distribution law are developed for the trajectory tracking. Numerical simulations demonstrate the effectiveness and efficiency of the given control scheme for PSR.

Original languageEnglish
Title of host publicationASTRODYNAMICS 2020
EditorsRoby S. Wilson, Jinjun Shan, Kathleen C. Howell, Felix R. Hoots
PublisherUnivelt Inc.
Pages679-694
Number of pages16
ISBN (Print)9780877036753
Publication statusPublished - 2021
EventAAS/AIAA Astrodynamics Specialist Conference, 2020 - Virtual, Online
Duration: 9 Aug 202012 Aug 2020

Publication series

NameAdvances in the Astronautical Sciences
Volume175
ISSN (Print)0065-3438

Conference

ConferenceAAS/AIAA Astrodynamics Specialist Conference, 2020
CityVirtual, Online
Period9/08/2012/08/20

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