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| Titel: |
Adaptive λ-tracking for polynomial minimum phase systems |
| Auteur: |
Ilchmann, Achim |
| Verschenen in: |
Dynamical systems |
| Paginering: | Jaargang 13 (1998) nr. 4 pagina's 341-371 |
| Jaar: |
1998 |
| Inhoud: |
It is proved that the adaptive controller [image omitted] [image omitted] when applied to certain classes of multivariable nonlinear systems, achieves X-tracking, i.e. the trajectories of the closed-loop system are bounded and [image omitted] as [image omitted] and [image omitted] are design parameters, and [image omitted] is some (known) upper bound of the polynomial degree of the right-hand side of the plant. The crucial assumptions on the system classes are minimum phase and strong relative degree-one. Classes encompass systems with sector bounded input nonlinearities, systems in input affine form, and systems not in input affine form but with bounded trajectories. The reference signals yref(·) and noise signals n(·) are only assumed to be absolutely continuous on bounded intervals and bounded with essentially bounded derivative. We also introduce modifications of the feedback strategy which preserve the simplicity of the controller but improve the transient behaviour |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 1 van 5 gevonden artikelen
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