Paper: Direct and indirect model reference adaptive control

Authors:
Kumpati S. Narendra;Lena S. Valavani
Affiliations:
Department of Engineering and Applied Science, Yale University, New Haven, CT 06520, U.S.A.;Department of Engineering and Applied Science, Yale University, New Haven, CT 06520, U.S.A.
Venue:
Automatica (Journal of IFAC)
Year:
1979

Citing 2
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Abstract

The paper considers the control of an unknown linear time-invariant plant using Direct and Indirect Model Reference Adaptive Control. Employing a specific controller structure and the concept of positive realness, adaptive laws are derived using Indirect Control which are identical to those obtained in the case of Direct Control. The stability questions that arise are also shown to be the same. Simulation results using the new scheme are presented for the control of both stable and unstable plants.