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| Titel: |
An input-output approach to achieve adaptive tracking for saturating stable systems |
| Auteur: |
Chaoui, F. Z. Giri, F. M'Saad, M. |
| Verschenen in: |
International journal of control |
| Paginering: | Jaargang 74 (2001) nr. 16 pagina's 1569-1580 |
| Jaar: |
2001-11-10 |
| Inhoud: |
The problem of controlling time-invariant linear systems subject to parametric uncertainty and input saturation constraint , is dealt with using a pole placement adaptive controller. It is shown that the resulting adaptive control system can be described by a non-linear feedback scheme. Then, the l 2 -stability condition for the control system turns out to be the positive-realness of a transfer function involving the plant (estimated) model and the specified closed-loop poles. This makes it necessary to adapt on-line the desired closed-loop poles to the time-varying (estimated) model. The proposed adaptive controller keeps bounded all the closed loop sequences, whatever the initial conditions. Furthermore, it ensures a quite interesting output-reference tracking behaviour. More precisely, the quality of the tracking depends on the reference sequence rate: the slower the reference the better the tracking. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 1 van 6 gevonden artikelen
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