Exponential convergence of adaptive identification and control algorithms

  • Authors:
  • Brian D. O. Anderson;C.Richard Johnson, Jr

  • Affiliations:
  • Department of Electrical Engineering, University of Newcastle, New South Wales, 2308, Australia;Department of Electrical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, U.S.A.

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 1982

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Abstract

Output and equation error adaptive identification algorithms are shown to be exponentially convergent under a deterministic or stochastic persistently exciting (or spanning) condition on the system inputs together with several other standard conditions. An adaptive control algorithm is shown to be exponentially convergent under a deterministic or stochastic persistently exciting condition on the reference trajectory together with some standard conditions.