Quaternion-based adaptive attitude tracking controller without velocity measurements

B. T. Costic, D. M. Dawson, M. S. De Queiroz, V. Kapila

Research output: Contribution to journalArticle

Abstract

The main problem addressed is the quaternion-based, attitude tracking control of rigid spacecraft without angular velocity measurements and in the presence of an unknown inertia matrix. As a stepping stone, an adaptive, full-state feedback controller is designed that compensates for parametric uncertainty while ensuring asymptotic attitude tracking errors. The adaptive, full-state feedback controller is then redesigned such that the need for angular velocity measurements is eliminated. The proposed adaptive, output feedback controller ensures asymptotic attitude tracking. A four-parameter representation is used of the spacecraft attitude that does not exhibit singular orientations as in the case of the previous three-parameter representation-based results. To the best of our knowledge, this represents the first solution to the adaptive, output feedback, attitude tracking control problem for the quaternion representation. Simulation results are included to illustrate the performance of the proposed output feedback control strategy.

Original languageEnglish (US)
Pages (from-to)1214-1222
Number of pages9
JournalJournal of Guidance, Control, and Dynamics
Volume24
Issue number6
DOIs
StatePublished - 2001

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Aerospace Engineering
  • Space and Planetary Science
  • Electrical and Electronic Engineering
  • Applied Mathematics

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