F. J. Carrillo

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— A model-free controller is designed for a nanopo-sitioning platform with three degrees of freedom. The system is specially difficult to control because of the coupling between the different movements and the hysteresis present in the piezoelectric actuators. The authors propose a control design methodology based on the so called ultra-local system(More)
This paper presents an off-line time domain output error identification algorithm for linear continuous-time systems with time delay from sampled data. The proposed method use a NonLinear Programming algorithm and needs an initialization step that is also proposed from a modification of the Yang algorithms. Simulations, as illustrated by Monte-Carlo runs,(More)
  • A. SAIZ, Therese A. Saiz, +13 authors THERESE A. SAIZ
  • 2008
iii ©2008, Therese A. Saiz iv DEDICATION To Francesca Carrillo v ACKNOWLEDGMENTS The research in this thesis was performed at the Center for High Technology Materials (CHTM), at the University of New Mexico. First I would like to thank my advisor Luke F. Lester for his expert guidance and direction, and for giving me the opportunity to pursue a thesis(More)
Au-Cu mineralization at Palai-Islica occurs as disseminations in massive silicified volcanic rocks and, more abundantly, in sulphide-bearing quartz veins. The major ore minerals in the deposit are pyrite ± chalcopyrite, sphalerite and galena and there is a great variety of accessory minerals, including Au-Ag alloys and native gold. Pyrite, the most abundant(More)
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