División de Control y Sistemas Dinámicos: Recent submissions
Now showing items 221-240 of 374
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El criterio de estabilidad de Mikhailov para sistemas fraccionarios de orden conmensurado
(2018-06)"En este trabajo de tesis se aborda el problema de estabilidad de sistemas lineales fraccionarios. La estabilidad de esta clase de sistemas está determinada mediante la ubicación de las raíces del pseudo-polinomio ... -
Reconfigurable multivibrator element based on chaos control
(2013-12)"A reconfigurable element based on nonlinear (chaotic) dynamics is adapted to implement the three different multivibrator configurations. A nonlinear dynamical system, under parameter modulating control, operates as a ... -
Reconfigurable dynamical logic gate with linear core
(2008-10)"A dynamically reconfigurable linear core logic gate is a device that allows logical outputs dependent upon configurable parameters set within device. The device is comprised of three blocks: The first block receives at ... -
Repetitive controller to compensate for odd harmonics
(2016-12)"A repetitive controller scheme with negative feedback and feedforward introduces infinitely many poles on the imaginary axis located at the resonant peaks. The feedforward introduces zeros, which produce notches located ... -
Repetitive controller for compensation of periodic signal
(2016-12)"A repetitive controller scheme with positive feedback and feedforward introduces infinitely many poles on the imaginary axis located at the resonant peaks. The feedforward introduces zeros, which produce notches located ... -
Fixed reference frame phase-locked loop (FRF-PLL) for unbalanced line voltage conditions
(2008-10)"The present invention relates to a system to implement a phase-locked loop (PLL) which is able to provide an estimation of the angular frequency, and both the positive and negative sequences of the fundamental component ... -
Controller for the three-phase cascade multilevel converter used as shunt active filter in unbalanced operation with guaranteed capacitors voltages balance
(2013-02)"The present invention comprises a controller for the cascade H-bridge three-phase multilevel converter used as a shunt active filter. Based on the proposed mathematical model, the controller is designed to compensate ... -
White light emitting material and method of preparation and uses thereof
(2014-09)"The instant invention is related with new perimidine derivatives synthesized via direct condensation between naphthalene-1,8-diamine and itaconic or citraconic anhydrides at low temperature. The targeting itaco-perinone ... -
Pseudo-random bit generator based on multim-modal maps
(2015-06)"The present invention is related with a computer-implemented method for generating a pseudo-random bit generator including the steps: a. Defining a multi-modal map by the equation: fβ=β(dr+1−x)(x−dr), x ∈ ℑr; b. Set the ... -
Repetitive controller to compensate for (61+-1) harmonics
(2015-04)"A repetitive controller scheme with two feedbacks one negative and one positive plus a negative feedforward introduces infinitely many poles on the imaginary axis located at j(6l+-1)omegao (l=0,1,2, . . . ,[infinity]) ... -
Computing the Conway polynomial of several closures of oriented 3-braids
(2012-03)"This paper deals with polynomial invariants of a class of oriented 3-string tangles and the knots (or links) obtained by applying six different closures. In Cabrera-Ibarra (2004) [1], expressions were given to compute the ... -
On the stability of AQM controllers supporting TCP flows
(2009)"In this chapter we address the local asymptotic stability of some AQM controllers supporting TCP flows. We first consider a PI controller as AQM strategy. The complete set of PI controllers that stabilizes the linearized ... -
Further results on exponential stability of linear continuous time difference systems
(2013-06)"This paper provides further Lyapunov results for the exponential stability of linear continuous time difference system involving discrete and distributed delays. We consider such a class of systems in the case when the ... -
On stability of integral delay systems
(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 ... -
An algorithm based on 3-braids to solve tangle equations arising in the action of Gin DNA invertase
(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 ... -
Exponential stability of linear continuous time difference systems with multiple delays
(2013-10)"Some recent results on exponential stability of linear continuous time difference systems with discrete and distributed delay terms are extended to the case of multiple delays. New sufficient conditions for the exponential ... -
Exponential stability of some linear continuous time difference systems
(2012-01)"In this paper, we consider some classes of linear continuous time difference systems with discrete and distributed delays. For these infinite-dimensional systems, we derive new sufficient delay-dependent conditions for ... -
Robust stability of integral delay systems with exponential kernels
(2016)"In this chapter the stability analysis via Lyapunov-Krasovskii method is extended to perturbed integral delay systems with exponential kernels. Several sufficient robust stability conditions given in the form of linear ... -
Modificación del criterio de Mikhailov para sistemas conmensurados de orden fraccionario
(2017)"En este trabajo se presenta la modificación del criterio de estabilidad de Mikhailov para sistemas lineales fraccionarios de orden conmensurado. Dicha modificación consiste en determinar la medida apropiada del cambio ... -
Control of mechanical systems on Lie groups based on vertically transverse functions
(2008-06)"The transverse function approach to control provides a unified setting to deal with practical stabilization and tracking of arbitrary trajectories for controllable driftless systems. Controllers derived from that approach ...