Now showing items 81-100 of 329

    • An algorithm based on 3-braids to solve tangle equations arising in the action of Gin DNA invertase 

      Cabrera Ibarra, Hugo; Lizárraga Navarro, David Antonio (2010-03)
      "The tangle model of Ernst and Sumners is an effective tool in the topological analysis of enzymes, a particular application of which aims at deducing the mechanism of action of site-specific recombination mediated by the ...
    • Grahp and automata in arterial vascular tree of the kidney 

      Espinoza Valdez, Aurora; Femat Flores, Alejandro Ricardo (2010-05)
      "The renal vascular development is not known and occurs through two mechanisms that sometimes overlap: vasculogenesis and angiogenesis. Here we only consider growth through angiogenesis, i.e., the arterial vascular tree ...
    • Global stabilisation of the PVTOL aircraft with lateral force coupling and bounded inputs 

      López Araujo, Daniela Juanita; Zavala Río, Arturo; Fantoni, Isabelle; Salazar, Sergio; Lozano, Rogelio (Taylor & Francis LTD, 2010-06)
      "This work is devoted to prove that the nonlinear control scheme previously proposed by Zavala-Río, Fantoni and Lozano for the global stabilisation of the planar vertical take-off and landing (PVTOL) aircraft with bounded ...
    • Braid solutions to the action of the Gin enzyme 

      Cabrera Ibarra, Hugo; Lizárraga Navarro, David Antonio (2010-08)
      "The topological analysis of enzymes, an active research topic, has allowed the application of the tangle model of Ernst and Sumners to deduce the action mechanism of several enzymes, modeled as 2-string tangles. By first ...
    • On stability of integral delay systems 

      Melchor Aguilar, Daniel Alejandro (2010-12)
      "The exponential stability of a class of integral delay systems is investigated by using the Lyapunov–Krasovskii functional approach. Sufficient delay-dependent stability conditions and exponential estimates for the solutions ...
    • Control híbrido de velocidad y orientación para aeronaves de ala fija. 

      Méndez Vergara, Fany (2011)
      "Esta tesis tiene como finalidad presentar un controlador híbrido para gobernar la orientación y el seguimiento de velocidad para un avión de la fija. La aportación principal de esta tesis es mostrar que un simple controlador ...
    • Synchronization and activation in a model of a network of β-cells 

      Barajas Ramírez, Juan Gonzalo; Steur, Erik; Femat Flores, Alejandro Ricardo; Henk Nijmeijer (2011)
      "Islets of pancreatic β-cells are of utmost importance in the understanding of diabetes mellitus. We consider here a model of a network of such pancreatic β-cells which are globally coupled via gap junctions. Some of the ...
    • A family of multimodal dynamic maps 

      Campos Cantón, Eric; Femat Flores, Alejandro Ricardo; Pisarchik, Alexander N (2011)
      "We introduce a family of multimodal logistic maps with a single parameter. The maps domain is partitioned in subdomains according to the maximal number of modals to be generated and each subdomain contains one logistic ...
    • Signal generator based on a chaotic circuit 

      Campos Cantón, Isaac; Campos Cantón, Eric; Castellanos Velasco, E. (2011)
      "This paper is about a signal generator based on Chua´s circuit. It is able to generate chaotic and sinusoidal signals. It can generate other types of waveforms as well. These results are seen in the experiment carried out ...
    • Global trajectory tracking through output feedback for robot manipulators with bounded inputs 

      Zavala Río, Arturo; Aguiñaga Ruiz, Emeterio; Santibáñez, Víctor (2011)
      "In this work, a globally stabilizing output feedback scheme for the trajectory tracking of robot manipulators with bounded inputs is proposed. It achieves the motion control objective avoiding input saturation and excluding ...
    • Identificación de modelo para incorporar escenarios de hiper- e hipoglucemia en control de DMT1 

      Flores Gutiérrez, Claudia Patricia (2011)
      "En esta tesis se aborda la identificación de un modelo entrada-salida de un paciente con Diabetes Mellitus Tipo 1 bajo el régimen de terapia intensiva, es decir con monitoreo continuo de glucosa y suministro continuo de ...
    • Cálculo de polinomio de Conway de 3-ovillos orientados. 

      Hernández Villegas, Leila Yahana (2011)
      "Puesto que una tarea importante en topología es la clasificación de nudos y enlaces, con ese fin se han desarrollado mapeos del conjunto de nudos (o subconjuntos de nudos) a valores en conjuntos con estructuras algebraicas, ...
    • Análisis numérico de la transferencia de calor de la cabina de fuego de un avión ultraligero 

      Rodríguez Rodríguez, María del Rocío (2011-10)
      "Un análisis numérico es necesario para describir, analizar y crear algoritmos numéricos, que permitan resolver problemas matemáticos, es por ello que en esta tesis se realiza un análisis numérico de transferencia de calor ...
    • On the transversality of functions at the core of the transverse function approach to control 

      Lizárraga Navarro, David Antonio (2011-12)
      "The transverse function approach to control, introduced by Morin and Samson in the early 2000s, is based on functions that are transverse to a set of vector fields in a sense formally similar to, although strictly speaking ...
    • Dynamical equivalence in chemical reaction networks 

      Méndez González, José Martín (2012)
      "El dogma fundamental de la cinética química establece que puede existir más de una red de reacción química (RRQ) que explique los datos experimentales. Más aún, las RRQ validadas experimentalmente no necesariamente son ...
    • Modelado y análisis de sistemas mecánicos subactuados 

      Ramírez Conejo, César (2012)
      "En el área de control, los sistemas mecánicos subactuados y sujetos a restricciones no holonómicas conforman un tipo interesante de sistemas. Ejemplos que tipifican estos sistemas son el robot balanceador no holonómico y ...
    • A bounded positive nonlinear PI controller for double-pipe heat exchangers 

      Zavala Río, Arturo; Astorga Zaragoza, Carlos Manuel; Adam Medina, Manuel; Brizuela Mendoza, Jorge Aurelio; Hernández González, Omar (2012)
      "In this work, temperature regulation of double-pipe heat exchangers is considered. The positive (unidirectional) and bounded features of the flow rate input variable are taken into account in the analysis. As a result, a ...
    • On friction effects as a mechanism to induce complex dynamical behavior in earthquakes 

      Castellanos RodrÍguez, Valentina; Campos Cantón, Eric; Femat Flores, Alejandro Ricardo (2012)
      "In this paper we analyze a nonlinear dynamical system that describes the kinetic mechanism between tectonic plates on the crust´s earth undergoing stick slip movement. The analysis includes friction effects and an empirical ...
    • Análisis de una familia de osciladores con múltiples enroscados 

      Jiménez López, Eduardo; José Murguía; Campos Cantón, Eric (2012)
      ""En este trabajo se analizan series de tiempo con dinámica caótica provenientes de un sistema de comunicación. El análisis se realiza con la transformada ondoleta ortogonal, la cual nos proporciona información sobre la ...
    • Attractors generated from switching unstable dissipative systems 

      Campos Cantón, Eric; Femat Flores, Alejandro Ricardo; Guanrong Chen (2012)
      "In this paper, we present a class of 3-D unstable dissipative systems, which are stable in two components but unstable in the other one. This class of systems is motivated by whirls, comprised of switching subsystems, ...