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[14900] Artykuł:

MODEL-REFERENCE ADAPTIVE-CONTROL USING DELTA-OPERATOR

Czasopismo: IEEE TRANSACTIONS ON AUTOMATIC CONTROL   Tom: 33, Zeszyt: 8, Strony: 771-775
ISSN:  0018-9286
Wydawca:  IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 345 E 47TH ST, NEW YORK, NY 10017-2394
Opublikowano: Sierpień 1988
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
Dariusz Janecki orcid logo100.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 0
Klasyfikacja Web of Science: Note


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Keywords:

discrete time systems  model reference adaptive control systems  stability 



Abstract:

Reference is made to a recent paper by G.C. Goodwin, R. Lozano Leal, D.Q. Mayne, and R.H. Middleton (Automatica, vol.22, p.199-207, 1986), where it is shown that a cancellation of nonminimum-phase zeros appearing in discrete-time model reference adaptive control (MRAC) at a fast sampling rate can be easily avoided if the model to be identified is expressed in terms of the delta operator. A new proof of stability of the MRAC is given using the delta operator which, in contrast to the proof given in the above paper, does not require an assumption that a system consisting of a model determined by estimated parameters and a control law based on certainty equivalence principle is exponentially stable. A simple parameterization is proposed for the discrete-time MRAC using the delta operator which allows application of the usual (i.e. without dead zone) estimation algorithms



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