Towards a link between the factorization approach and MIMO robust adaptive control
Titel:
Towards a link between the factorization approach and MIMO robust adaptive control
Auteur:
Ueng, Gwo-Wen Chen, Bor-Sen Chen, Wen-Liang
Verschenen in:
International journal of control
Paginering:
Jaargang 52 (1990) nr. 6 pagina's 1391-1423
Jaar:
1990-12-01
Inhoud:
Based on a doubly coprime factorization theorem (Nett et al. 1984), an adaptive controller for discrete-time MIMO systems consisting of a not necessarily minimum-phase modelled part and fraction-type unmodelled dynamics, which are not necessarily stable, non-linear, and time-varying, is developed. Then, by virtue of a stability result, which is itself of interest, it is shown that the adaptive closed-loop system is BIBO stable even in the presence of small but not necessarily stable unmodelled dynamics and arbitrarily bounded initial conditions. Consequently, an initial but important step for applying the factorization approach to MIMO robust adaptive control is completely established.