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A disjointly tight irresolvable space

Bella, Angelo; Hrusak, Michael (Universitat Politècnica de València, 2020-10-01)

[EN] In this short note we prove the existence (in ZFC) of a completely regular countable disjointly tight irresolvable space by showing that every sub-maximal countable dense subset of 2c is disjointly tight.
A refined model on flow and oxygen consumption in the human cornea depending on the oxygen tension at the interface cornea_post lens tear film during contact lens wear

Compañ Moreno, Vicente; Aguilella-Arzo, Marcel; del Castillo, Roxana M.; Espinos Gutierrez, Francisco Juan; del Castillo, Luis Felipe (Elsevier, 2022-04-27)

[EN] The study of oxygen consumption rate under¿ in vivo¿ human cornea during contact lens wear has been technically a challenge and several attempts have been made in the last 20 years to model the physiology of the human ...
Analysis of the application of the Generalized Monod kinetics model to describe the Human Corneal Oxygen-Consumption Rate During Soft Contact Lens Wear

Compañ Moreno, Vicente; Aguilella-Arzo, M.; Del Castillo, L.F.; Hernández, S.I.; Gonzalez-Meijome, J.M. (John Wiley & Sons, 2016)

[EN] This work is an analysis of the application of the generalized Monod kinetics model describing human corneal oxygen consumption during soft contact lens wear to models previously used by Chhabra et al. (J Biomed Mater ...
Análisis Comparativo de las técnicas utilizadas en un Sistema de Reconocimiento de Hojas de Planta

Cervantes, Jair; Taltempa, Jesús; García Lamont, Farid; Ruiz Castilla, José S.; Yee Rendon, Arturo; Jalili, Laura D. (Universitat Politècnica de València, 2017-01-05)

[EN] The development of vision systems for identifying plants by leaves is an important challenge which has numerous applications ranging from food, medicine, industry and environment. Recently, several techniques have ...
Análisis comparativo del transporte de sedimentos con cambio granulométrico

Rivera Trejo, Fabián; Soto Cortés, Gabriel (Universitat Politècnica de València, 2002-03-31)

[ES] La mayor parte de los modelos de fondo móvil existentes son aplicados a un diámetro representativo del material del fondo. Esta consideración puede no ser la más recomendable, ya que si la muestra de sedimentos es no ...
Aplicación de la transformada de Hilbert-Huang en el análisis de señales de comunicación satelital

Villanueva, J.; Bueno, M.; Simón, J.; Molinas, M.; Flores, J.; Méndez, P. E. (Universitat Politècnica de València, 2020-04-07)

[EN] In communication links between satellites and ground stations, the transmitted signal is exposed to disturbances such as noise of different types that hinder reception or retrieval of information. For that reason, ...
ARABIDOPSIS THALIANA HOMEOBOX25 uncovers a role for gibberellins in seed longevity

Bueso Ródenas, Eduardo; Muñoz Bertomeu, Jesús; Campos, Francisco; Brunaud, Veronique; Martinez, Liliam; Sayas Montañana, Enric Miquel; Ballester Fuentes, Patricia; Yenush, Lynne; Serrano Salom, Ramón (American Society of Plant Biologists, 2014-02)

[EN] Seed longevity is crucial for agriculture and plant genetic diversity, but it is limited by cellular damage during storage. Seeds are protected against aging by cellular defenses and by structures such as the seed ...
Bases para el desarrollo de Micromáquinas Herramienta Paralelas

Yáñez Valdez, Ricardo (Elsevier, 2014-04-13)

[ES] El presente trabajo pretende sentar las bases del desarrollo de micromáquinas herramienta paralelas. Se plantean condiciones básicas y se propone un proceso de selección de configuraciones paralelas con miras a su ...
Bioenergía, trabajo muscular y respiración en la córnea

del Castillo, Luis F.; Ramirez-Calderon, Juanibeth G.; Caicedo, Carolina; Avila-Torres, Yenny; Caicedo-Cano, Diego F.; Compañ Moreno, Vicente (Servicio Nacional de Aprendizaje SENA - SENNOVA, 2018-06-06)

[ES] En este artículo de revisión se presentan dos casos del área de bioenergía en relación con la producción de energía vía descomposición del trifosfato de adenosina (ATP). El primero, es el trabajo que realiza el cuerpo ...
Configurational entropy calculation of poly(α-alkyl β,L-aspartate)s amorphous and crystalline films using gas permeation

del Castillo, Luis Felipe; Andrio Balado, Andreu; Nava, José Antonio; Mollá Romano, Sergio; Muñoz-Guerra, Sebastian; Compañ Moreno, Vicente (Elsevier, 2014-10)

The permeability and diffusion coefficient of gases such as N-2, O-2 and CO2 through two polymeric membranes of poly(alpha-alkyl beta,L-aspartate)s (PAALA-n) were determined by the "time-lag" method. One of these membranes ...
Control de Fuerza de Robots Manipuladores Basado en Observadores Proporcionales Integrales Generalizados

Gutiérrez Giles, Alejandro; Arteaga Pérez, Marco A.; Sira Ramírez, Hebertt (Elsevier, 2016-04-06)

[EN] In this work the design of a linear observer–linear controller robust output feedback scheme is introduced for simultaneous trajectory tracking of position and force in fully actuated robot manipulators. The unknown ...
Control de microrredes eléctricas de potencia: un enfoque hamiltoniano

Espinosa-Pérez, Gerardo (Universitat Politècnica de València, 2022-09-30)

[EN] In this paper the control problem of Power Microgrids is approached from the Passivity based Control perspective. The structure of a basic inner control scheme is proposed which guarantees that the variables associated ...
Control de posición y fuerza con estimación de masa para sistemas cooperativos

Sánchez-Sánchez, P.; Arteaga-Pérez, M. A. (Universitat Politècnica de València, 2020-09-30)

[ES] La manipulación cooperativa de un objeto por dos o más brazos robóticos requiere controlar tanto el movimiento del objeto como las fuerzas ejercidas por los manipuladores. En términos de cinemática y estática, el ...
Control de robots cooperativos con diseño de un observador

Arteaga, Marco A.; Gudiño–Lau, Jorge; Maya–Ortiz, Paul (Universitat Politècnica de València, 2007-11-07)

[ES] Uno de los principales problemas en la implementación de controladores para que un robot realice labores de destreza, es la complejidad de integrar una gran cantidad de sensores cuando se tienen arquitecturas pequeñas. ...
Control No Lineal Basado en Pasividad de Motores de Inducción para Alto Desempeño Dinámico

Mujica, Hoover; Espinosa Pérez, Gerardo (Elsevier, 2014-01-12)

[EN] Position and velocity tracking control with high dynamic performance of induction motors has generated great interest in the control community, due to the advantageous characteristics that this rotating machine exhibits. ...
Control por modos deslizantes de orden superior basado en funciones de Lyapunov

Moreno, Jaime A.; Fridman, Leonid (Universitat Politècnica de València, 2022-09-30)

[EN] We give an overview of the methods of analysis and design of High-Order Sliding Mode Controllers (HOSM) and observers, including also those taking advantage of a discontinuous integral action. First, discontinuous ...
Control Vectorial de un Motor de Inducción con Carga Desconocida Basado en un Nuevo Observador No Lineal

Gallegos Lara, Marco A.; Álvarez Salas, Ricardo; Moreno, Jaime A.; Espinosa Pérez, Gerardo (Universitat Politècnica de València, 2010-10-08)

[EN] In this paper a sensorless vector control scheme for induction motor, which works in a whole range of speed is presented. Controller is based on a low order and semiglobal convergence new observation algorithm which ...
Controlador difuso para compensar cargas de comunicación en sistemas en tiempo real

Aparicio-Santos, J.; Hermosillo-Gómez, J.; Benítez-Pérez, H.; Álvarez-Icaza, L. (Universitat Politècnica de València, 2021-07-01)

[EN] A Fuzzy Resource Manager (RM) to compensate communication loads in real-time systems is presented. The design is based on a new model of a Constant Bandwidth Server (CBS), which is responsible for assigning time slots ...
Corneal relaxation time estimation as a function of tear oxygen tension in human cornea during contact lens wear

Del Castillo, L. F.; Ramírez-Calderón, J. G.; Del Castillo, R. M.; Aguilella-Arzo, M.; Compañ Moreno, Vicente (John Wiley & Sons, 2020-01)

[EN] The purpose is to estimate the oxygen diffusion coefficient and the relaxation time of the cornea with respect to the oxygen tension at the cornea-tears interface. Both findings are discussed. From the experimental ...
Dark matter search results from the complete exposure of the PICO-60 C3F8 bubble chamber

Amole, C.; Ardid Ramírez, Miguel; Arnquist, I.J.; Asner, D. M.; Baxter, D.; Behnke, E.; Bressler, M.; Broerman, B.; Cao, G.; Chen, C.J.; Chowdhury, U.; Clark, K.; Collar, J. I.; Cooper, P. S.; Coutu, C. B. (American Physical Society, 2019-07-09)

[EN] Final results are reported from operation of the PICO-60 C3F8 dark matter detector, a bubble chamber filled with 52 kg of C3F8 located in the SNOLAB underground laboratory. The chamber was operated at thermodynamic ...