Integrated guidance and attitude control for asteroid proximity operations using higher order sliding modes

Daniel R. Wibben, Roberto Furfaro

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

2 Citations (Scopus)

Abstract

An integrated guidance and attitude control scheme for asteroid proximity operations is presented. The development of this algorithm is motivated by the desire to implement robust and integrated spacecraft GNC schemes for asteroid close proximity operations. Autonomous maneuvering about small bodies is particularly challenging because of the uncertain, low-gravity environment. Based on Higher Order Sliding Mode (HOSM) control theory, the integrated Multiple Sliding Surface Guidance and Control (MSSGC) law has been designed to drive the system to the selected sliding surface in a finite time. The MSSGC scheme integrates the spacecraft's guidance and attitude control into a common framework that guides the 6-DOF spacecraft to a desired position about the asteroid with the desired orientation, all without the need for a pre-computed reference trajectory. A Lyapunov-based stability analysis shows that the system is globally stable against unmodeled dynamics and perturbations typically expected in small body environments. Results demonstrate that the algorithm is successful in driving the system to the desired target point (either landing on the surface or hovering above a desired location) with zero velocity and with the desired attitude and zero rotational rates.

Original languageEnglish (US)
Title of host publicationAIAA/AAS Astrodynamics Specialist Conference 2012
DOIs
StatePublished - 2012
EventAIAA/AAS Astrodynamics Specialist Conference 2012 - Minneapolis, MN, United States
Duration: Aug 13 2012Aug 16 2012

Other

OtherAIAA/AAS Astrodynamics Specialist Conference 2012
CountryUnited States
CityMinneapolis, MN
Period8/13/128/16/12

Fingerprint

Asteroids
attitude control
Electronic guidance systems
Attitude control
asteroids
sliding
proximity
spacecraft guidance
Spacecraft
spacecraft
hovering
control theory
landing
Sliding mode control
microgravity
Landing
Control theory
Gravitation
Trajectories
trajectories

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics

Cite this

Integrated guidance and attitude control for asteroid proximity operations using higher order sliding modes. / Wibben, Daniel R.; Furfaro, Roberto.

AIAA/AAS Astrodynamics Specialist Conference 2012. 2012.

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

Wibben, DR & Furfaro, R 2012, Integrated guidance and attitude control for asteroid proximity operations using higher order sliding modes. in AIAA/AAS Astrodynamics Specialist Conference 2012. AIAA/AAS Astrodynamics Specialist Conference 2012, Minneapolis, MN, United States, 8/13/12. https://doi.org/10.2514/6.2012-5071
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