Results 11 to 20 of about 834 (120)
An Intuitive Introduction to Fractional and Rough Volatilities
Mathematics, 2021 Here, we review some results of fractional volatility models, where the volatility is driven by fractional Brownian motion (fBm). In these models, the future average volatility is not a process adapted to the underlying filtration, and fBm is not a ...
Elisa Alòs, Jorge A. León
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Conteo de bacterias y levaduras en imágenes digitales
Medisur, 2022 Fundamento: en los laboratorios de microbiología, la identificación y conteo de microorganismos es un procedimiento habitual. Aunque existen en el mercado equipos que posibilitan su realización de manera automática o semiautomática, son muy costosos, por
Jorge Peña Martín +4 more
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Revista Politécnica, 2017 This paper presents a nonlinear control strategy to solve the path tracking problem for a quadrotor unmanned aerial vehicle under perturbations. This strategy is based on the Generalized Super-Twisting Algorithm (GSTA); it means the second order sliding ...
Jesús Norberto Guerrero Tavares +2 more
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Design and control of hybrid actuation lower limb exoskeleton
Advances in Mechanical Engineering, 2015 In this article, two types of actuators are applied for a lower limb exoskeleton. They are DC motors with the harmonic drive and the pneumatic artificial muscles.
Hipolito Aguilar-Sierra +3 more
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Evaluación de la operación de un tramo del canal principal de riego con un enfoque económico
Tecnología y ciencias del agua, 2022 En un distrito de riego, la red de distribución del agua es un punto esencial en el manejo y la entrega de agua a los usuarios. En el diseño de un nuevo distrito de riego se establece la forma de manejo, y se aplican herramientas y métodos específicos ...
Penélope Cruz-Mayo, Ariosto Aguilar
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Minimización de la distorsión armónica de una modulación PWM con algoritmos genéticos
Iteckne, 2011 En este trabajo se describe una nueva estrategia de modulación por anchura de pulso (PWM, Pulse Width Modulation) optimizada por el método directo y la aplicación de Algoritmos Genéticos (GA, Genetic Algorithms) para la minimización del contenido ...
Andrés Fernando Lizcano Villamizar +2 more
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Solution of Fuzzy Differential Equations Using Fuzzy Sumudu Transforms
Mathematical and Computational Applications, 2018 The uncertain nonlinear systems can be modeled with fuzzy differential equations (FDEs) and the solutions of these equations are applied to analyze many engineering problems. However, it is very difficult to obtain solutions of FDEs.
Raheleh Jafari, Sina Razvarz
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A Note on Extended Genus Fields of Kummer Extensions of Global Rational Function Fields
AxiomsWe consider the generalization of the extended genus field of a prime degree cyclic Kummer extension of a global rational function field obtained by R. Clement in 1992 to general Kummer extensions.
Martha Rzedowski-Calderón +1 more
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Tractor con control automatico
Materiales de Construccion, 1962 Not ...
M. Chinchilla
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Extended Genus Fields of Abelian Extensions of Rational Function Fields
AxiomsIn this paper, we obtain the extended genus field of a finite abelian extension of a global rational function field. We first study the case of a cyclic extension of prime power degree. For the general case, we use the fact that the extended genus fields
Juan Carlos Hernandez-Bocanegra +1 more
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