Search Results - "Rincón, Alejandro"
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A Simplified Algorithm for Setting the Observer Parameters for Second-Order Systems with Persistent Disturbances Using a Robust Observer
Published in Sensors (Basel, Switzerland) (01-09-2022)“…The properties of the convergence region of the estimation error of a robust observer for second-order systems are determined, and a new algorithm is proposed…”
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Evaluation of collaborative consumption of food delivery services through web mining techniques
Published in Journal of retailing and consumer services (01-01-2019)“…Online food delivery services rely on urban transportation to alleviate customers' burden of traveling in highly dense cities. As new business models, these…”
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Global stability of a continuous bioreactor model under persistent variation of the dilution rate
Published in Mathematical biosciences and engineering : MBE (01-01-2023)“…In this work, the global stability of a continuous bioreactor model is studied, with the concentrations of biomass and substrate as state variables, a general…”
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4
Comparison, validation and improvement of empirical soil moisture models for conditions in Colombia
Published in Mathematical biosciences and engineering : MBE (01-01-2023)“…Modeling soil moisture as a function of meteorological data is necessary for agricultural applications, including irrigation scheduling. In this study,…”
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Convergence Assessment of the Trajectories of a Bioreaction System by Using Asymmetric Truncated Vertex Functions
Published in Symmetry (Basel) (01-04-2020)“…In several open and closed-loop systems, the trajectories converge to a region instead of an equilibrium point. Identifying the convergence region and proving…”
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6
Dynamic Analysis of a Permanent Magnet DC Motor Using a Buck Converter Controlled by ZAD-FPIC
Published in Energies (Basel) (01-12-2018)“…This paper presents the dynamic analysis of a permanent magnet DC motor using a buck converter controlled by zero average dynamics (ZADs) and fixed-point…”
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Zero Average Dynamic Controller for Speed Control of DC Motor
Published in Applied sciences (01-06-2021)“…This paper presents the use of the buck converter with Zero Average Dynamics to control the speed of a permanent magnet direct current motor. For this…”
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Conditioned Adaptive Control for an Uncertain Bioreactor with Input Saturation and Steep Settling Desired Output
Published in Symmetry (Basel) (01-06-2022)“…In this work, a controller is developed for a continuous bioreactor with an unknown reaction rate term, subject to input saturation. The substrate…”
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Kinetic Analysis of Gluconacetobacter diazotrophicus Cultivated on a Bench Scale: Modeling the Effect of pH and Design of a Sucrose-Based Medium
Published in Fermentation (Basel) (01-08-2023)“…Gluconacetobacter diazotrophicus is an endophytic bacterium that has shown important plant growth-promoting properties. During the growth of G. diazotrophicus…”
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10
Experimental and Computational Model for a Neonatal Incubator with Thermoelectric Conditioning System
Published in Energies (Basel) (01-09-2021)“…This work describes the design, construction and testing of a thermo-electric conditioning device installed in a neonatal incubator with the aim of improving…”
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Design and Evaluation of a Robust Observer Using Dead-Zone Lyapunov Functions—Application to Reaction Rate Estimation in Bioprocesses
Published in Fermentation (Basel) (01-04-2022)“…This paper addresses the design and evaluation of a robust observer for second order bioprocesses considering unknown bounded disturbance terms and uncertainty…”
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Adaptive Control for a Biological Process under Input Saturation and Unknown Control Gain via Dead Zone Lyapunov Functions
Published in Applied sciences (01-01-2021)“…In this work, substrate control of a biological process with unknown varying control gain, input saturation, and uncertain reaction rate is addressed. A novel…”
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13
Speed Regulation of a Permanent Magnet DC Motor with Sliding Mode Control Based on Washout Filter
Published in Symmetry (Basel) (01-04-2022)“…The accuracy of control systems applied to motors is influenced by uncertainties and abrupt variations of the load and system parameters. Some robust control…”
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14
An Improved Robust Adaptive Controller for a Fed-Batch Bioreactor with Input Saturation and Unknown Varying Control Gain via Dead-Zone Quadratic Forms
Published in Computation (01-09-2021)“…In this work, a new adaptive controller is designed for substrate control of a fed-batch bioreactor in the presence of input saturation and unknown varying…”
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A Robust Observer—Based Adaptive Control of Second—Order Systems with Input Saturation via Dead-Zone Lyapunov Functions
Published in Computation (01-08-2021)“…In this study, a novel robust observer-based adaptive controller was formulated for systems represented by second-order input–output dynamics with unknown…”
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In Silico Screening of Drugs That Target Different Forms of E Protein for Potential Treatment of COVID-19
Published in Pharmaceuticals (Basel, Switzerland) (01-02-2023)“…Recently the E protein of SARS-CoV-2 has become a very important target in the potential treatment of COVID-19 since it is known to regulate different stages…”
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An Output Feedback Controller for a Second-Order System Subject to Asymmetric Output Constraint Based on Lyapunov Function with Unlimited Domain
Published in Mathematics (Basel) (01-06-2022)“…In this work, a new robust controller is designed for a second-order plant model, considering asymmetric output constraints. The tracking error convergence and…”
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Global Stability Analysis of the Model of Series/Parallel Connected CSTRs with Flow Exchange Subject to Persistent Perturbation on the Input Concentration
Published in Applied sciences (01-05-2021)“…In this paper, we study the convergence properties of a network model comprising three continuously stirred tank reactors (CSTRs) with the following features:…”
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19
Analysis of a generalized Fujikawa's growth model
Published in Mathematical biosciences and engineering : MBE (06-01-2020)“…We analyze a generalized form of the Fujikawas growth model which involves an adaptation function that enhances the representation of the lag phase. This model…”
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Reducing the Cooling Energy Demand by Optimizing the Airflow Distribution in a Ventilated Roof: Numerical Study for an Existing Residential Building and Applicability Map
Published in Applied sciences (01-08-2024)“…This work presents a study of a ventilated hollow core slab system (VHCS) that obviates the need to completely replace the slab of an existing residential…”
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