Papers by vitor nascimento
The Paper describes estimation and control strategies for models with bounded data uncertainties.... more The Paper describes estimation and control strategies for models with bounded data uncertainties. We shall refer to them as BDU estimation and BDU control methods, for brevity. They are based on constrained game-type formulations that allow the designer to explicitly incorporate into the Problem Statement a priori information about bounds on the sizes of the uncertainties. In this way, the effect of uncertainties is not unnecessarily overemphasized beyond what is implied by the a priori bounds; consequently, overly conservative designs, as well as overly sensitive designs, are avoided. A feature of these new formulations is that geometric insights and recursive techniques, which are widely known and appreciated for classical quadratic-tost designs, tan also be pursued in this new framework. Also, algorithms for computing the optimal solutions with the same computational effort as Standard least-squares solutions exist, thus making the new formulations attractive for practical use. Moreover, the framework is broad enough to encompass applications across several disciplines, not just estimation and control. Examples will be given of a quadratic control design, an So0 control design, a total
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Papers by vitor nascimento