Dynamics and control of a six degrees of freedom ground simulator for autonomous rendezvous and proximity operation of spacecraft

Sasi Prabhakaran Viswanathan, Amit Sanyal, Holguin Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Scopus citations

Abstract

Ground simulation of spacecraft motion simulating all six degrees of freedom is a challenging problem due to several features of the natural dynamics in space that are difficult to reproduce on ground. Unlike terrestrial (aerial, land or underwater) vehicles, space vehicles have an overwhelmingly large percentage of their total energy in their translational motion. Dynamical coupling between the translational and rotational degrees of freedom can significantly affect the attitude motion of spacecraft. The attitude motion is particularly important for a spacecraft tasked to autonomously rendezvous and capture or dock with a target object in space. Here we present a ground simulator design for 6 DOF simulation of spacecraft engaged in autonomous rendezvous and proximity operation(ARPO) with an unaided target space object. These operations are very risky and difficult to carry out in space, since the target's motion is not well known in advance. Ground simulation using 6 DOF motion simulation capabilities can help reduce the risk of actual on-orbit ARPO missions. The novel design "Autonomous Rendezvous and Proximity Operation ground Simulator (ARPOS)" presented here mimics all the six DOFs of rigid spacecraft with high fidelity. ARPOS has the advantage of linear and spherical air bearings to reproduce the near frictionless environment of an actual spacecraft in space.

Original languageEnglish (US)
Title of host publicationAIAA Guidance, Navigation, and Control Conference 2012
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Print)9781600869389
DOIs
StatePublished - 2012
EventAIAA Guidance, Navigation, and Control Conference 2012 - Minneapolis, MN, United States
Duration: Aug 13 2012Aug 16 2012

Publication series

NameAIAA Guidance, Navigation, and Control Conference 2012

Other

OtherAIAA Guidance, Navigation, and Control Conference 2012
CountryUnited States
CityMinneapolis, MN
Period8/13/128/16/12

ASJC Scopus subject areas

  • Aerospace Engineering
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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    Viswanathan, S. P., Sanyal, A., & Lee, H. (2012). Dynamics and control of a six degrees of freedom ground simulator for autonomous rendezvous and proximity operation of spacecraft. In AIAA Guidance, Navigation, and Control Conference 2012 (AIAA Guidance, Navigation, and Control Conference 2012). American Institute of Aeronautics and Astronautics Inc.. https://doi.org/10.2514/6.2012-4926