Facultad de Ciencias Físicas y Matemáticas: Recent submissions
Now showing items 6901-6920 of 22325
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(Cambridge Univ Press, 2020)In this paper, we are concerned with unbounded solutions of the singularly perturbed forced pendulum equation in the presence of friction, namely e(2)u(x)" e + sinue = e2a( t)ue + e2 beta(t)u e in (- L, L). Using a limiting ...
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(MDPI, 2020)This paper proposes a fractional-order sliding mode controller (FOSMC) for the robust control of a nonlinear process subjected to unknown parametric disturbances. The controller aims to ensure optimal growth in photobioreactors ...
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(Elsevier, 2020)Floating photovoltaic power plants are a quickly growing technology in which the solar modules float on water bodies instead of being mounted on the ground. This provides an advantage, especially in regions with limited ...
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(Universidad de Chile, 2019)In two-dimensional systems, dissipative vortices are described by a complex Ginzburg-Landau equation (CGLE) which has a universal character and describes such different systems as fluids, superfluids, superconductors, ...
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Fractional order controllers for throughput and product quality control in a grinding mill circuit (Elsevier, 2020)This paper presents the design and application of a multiple-input–multiple-output fractional order proportional-integral (MIMO FOPI) controller to a grinding mill circuit. The MIMO FOPI controller pa- rameters are tuned ...
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(Oxford, 2020)Tidal encounters in star clusters perturb discs around young protostars. In Cuello et al., we detailed the dynamical signatures of a stellar flyby in both gas and dust. Flybys produce warped discs, spirals with evolving ...
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(Universidad de Chile, 2019)En sistemas de alta montaña del norte grande de Chile, formados generalmente de rocas altamente mineralizadas, existen compuestos que poseen altas concentraciones, que a partir de procesos erosivos y/o de lixiviación, ...
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(Elsevier, 2020)The Burrows-Wheeler Transform (BWT) has become since its introduction a key tool for representing large text collections in compressed space while supporting indexed searching: on a text of length n over an alphabet of ...
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(Elsevier, 2020)Microbes have developed mechanisms to resist the host immune defenses and some elicit antitumor immune responses. About 6 million people are infected with Trypanosoma cruzi, the protozoan agent of Chagas' disease, the sixth ...
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(Elsevier, 2020)Two approaches have traditionally been identified for developing artificial intelligence systems supporting decision-making: Machine Learning, which applies general techniques based on statistical analysis and optimization ...
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(Universidad de Chile, 2019)Este estudio presenta la metodología y aplicación del método Rock Engineering System (RES) para la evaluación del diseño y construcción de bancos bermas en una Mina Cielo Abierto en Chile. El desarrollo del índice de ...
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(Oxford University Press, 2020)This is an Erratum to the paper ‘Cooling in the shade of warped transition disks’ that was published in MNRAS, 486, L58-L62 (2019). The x-axis of Fig. 1 in the original version of the paper is incorrectly labeled, the ...
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Energy management systems for microgrids: main existing trends in centralized control architectures (MDPI, 2020)This paper presents both an extensive literature review and a qualitative and quantitative study conducted on nearly 200 publications from the last six years (based on international experience and a top-down analysis ...
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(MDPI, 2020)In recent years, different off-the-shelf solutions for the rapid control prototyping of power electronics converters have been commercialised. The main benefits of those systems are based on a fast and easy-to-use environment ...
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(Elsevier, 2020)Open volumetric solar receivers (VSRs) are a promising technology for concentrated solar power plants due to their capability to provide heat using ambient air as the working fluid operating at temperatures over 700 degrees ...
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(Oxford Unv Press, 2020)We report the period, eccentricity, and mass determination for the Transiting Exoplanet Survey Satellite (TESS) single-transit event candidate TOI-222, which displayed a single 3000 ppm transit in the TESS 2-min cadence ...
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(Elsevier, 2020)We investigate the onset and development of vortical flow disturbances introduced into the wake of a horizontally fixed flat-plate by means of the controlled motion of a trailing edge flap. The vibrating mechanics of the ...
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(Universidad de Chile, 2019)En la industria de la manufactura, para obtener una superficie con ciertas características mecánicas, o para proteger el material de los elementos del ambiente, se aplica el procesode recubrimiento. Esto permite obtener ...
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(Universidad de Chile, 2019)En Chile, el sistema de salud público es percibido como un lugar discriminatorio por parte de la población. Esto motiva a analizar el estado actual de la discriminación en los servicios de salud públicos. Esta memoria ...
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(Oxford University Press, 2020)We present a CO(3-2) survey of selected regions in the M31 disc as part of the JCMT large programme, HARP and SCUBA-2 High-Resolution Terahertz Andromeda Galaxy Survey (HASHTAG). The 12 CO(3-2) fields in this survey cover ...
