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The use of model-free control (MFC) spreads now more and more in industry. Nevertheless, control unknown delayed systems with this method remains an open problem. In this contribution, we present the use of model-free control in this context and we propose a solution to improve the effectiveness of this approach using a parameter estimation.
Résumé Parce que le destin de chaque individu est singulier et que les enjeux d’une décision de limitation et d’arrêt de traitement des malades dépassent les seules considérations médicales, légiférer sur la fin de vie peut sembler bien présomptueux. D’ailleurs, au départ, lorsque la mission parlementaire sur l’accompagnement de la fin de vie fut créée en 2003 à la suite d’une affaire dans laquelle...
Extended Hückel band structure calculations derived from low temperature X-ray structural data, provide evidence, as temperature decreases, for an increasing 1D character of the multiparallel bands of the TTF(Ni(dmit)_{2})_{2} compound. This result is discussed within the monotonous metallic behaviour of the weakly correlated fermions gas, despite condensations of charge density wave instabilities.
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