Kinematically coupled relative spacecraft motion control using the state-dependent riccati equation method

Daero Lee, Hyochoong Bang, Eric A. Butcher, Amit Sanyal

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

This paper presents kinematically coupled relative spacecraft motion control in the close proximity of a tumbling target using the state-dependent Riccati equation method for proximity operation mission. In general, a rigid-body dynamics can be expressed as both translation and rotation about the center of mass. However, a kinematic coupling between the rotational and translational dynamics occurs when it is not expressed about the center of mass. Thus, kinematically coupled relative spacecraft motion model is derived to describe the relative motion about the selected arbitrary points on both the target and spacecraft. Then, spacecraft relative motion is represented by combining the relative translational and rotational dynamics of arbitrary points on the spacecraft. The spacecraft is required to achieve the desired position and attitude to track a tumbling spacecraft quickly in the effect of kinematic translation and rotation coupling. The state-dependent Riccati equation method is implemented to design a nonlinear controller in six degrees of freedom. Numerical simulation results validate kinematically coupled relative spacecraft motion control with respect to a tumbling target.

Original languageEnglish (US)
Article number4014099
JournalJournal of Aerospace Engineering
Volume28
Issue number4
DOIs
StatePublished - Jan 1 2015
Externally publishedYes

Fingerprint

Riccati equations
Motion control
Spacecraft
Barreling
Kinematics
Controllers
Computer simulation

Keywords

  • Coupled translational dynamics
  • Feature point
  • Kinematic coupling
  • State-dependent Riccati equation
  • Tumbling target

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Materials Science(all)
  • Aerospace Engineering
  • Mechanical Engineering

Cite this

Kinematically coupled relative spacecraft motion control using the state-dependent riccati equation method. / Lee, Daero; Bang, Hyochoong; Butcher, Eric A.; Sanyal, Amit.

In: Journal of Aerospace Engineering, Vol. 28, No. 4, 4014099, 01.01.2015.

Research output: Contribution to journalArticle

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