Attitude synchronization of a group of spacecraft without velocity measurements

Abdelkader Abdessameud, Abdelhamid Tayebi

Research output: Contribution to journalArticle

193 Citations (Scopus)

Abstract

We consider the coordinated attitude control problem for a group of spacecraft, without velocity measurements. Our approach is based on the introduction of auxiliary dynamical systems (playing the role of velocity observers in a certain sense) to generate the individual and relative damping terms in the absence of the actual angular velocities and relative angular velocities. Our main focus, in this technical note, is to address the following two problems: 1) Design a velocity-free attitude tracking and synchronization control scheme, that allows the team members to align their attitudes and track a time-varying reference trajectory (simultaneously). 2) Design a velocity-free synchronization control scheme, in the case where no reference attitude is specified, and all spacecraft are required to reach a consensus by aligning their attitudes with the same final time-varying attitude. In this work, one important and novel feature (besides the non-requirement of the angular velocity measurements), consists in the fact that the control torques are naturally bounded and the designer can arbitrarily assign the desired bounds on the control torques, a priori, through the control gains, regardless of the angular velocities. Throughout this technical note, the communication flow between spacecraft is assumed to be undirected. Simulation results of a scenario of four spacecraft are provided to show the effectiveness of the proposed control schemes.

Original languageEnglish (US)
Article number5286263
Pages (from-to)2642-2648
Number of pages7
JournalIEEE Transactions on Automatic Control
Volume54
Issue number11
DOIs
StatePublished - Nov 1 2009

Fingerprint

Angular velocity
Velocity measurement
Spacecraft
Synchronization
Torque control
Gain control
Attitude control
Angle measurement
Dynamical systems
Damping
Trajectories
Communication

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Abdessameud, Abdelkader ; Tayebi, Abdelhamid. / Attitude synchronization of a group of spacecraft without velocity measurements. In: IEEE Transactions on Automatic Control. 2009 ; Vol. 54, No. 11. pp. 2642-2648.
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Attitude synchronization of a group of spacecraft without velocity measurements. / Abdessameud, Abdelkader; Tayebi, Abdelhamid.

In: IEEE Transactions on Automatic Control, Vol. 54, No. 11, 5286263, 01.11.2009, p. 2642-2648.

Research output: Contribution to journalArticle

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