Browsing by Author "Acho Zuppa, Leonardo"
Now showing items 1-20 of 118
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A boundary control technique to the string-tip-mass system based on a non-symmetric peak-detector model
(2017)
Conference report
Restricted access - publisher's policyThis paper presents a vibration control design to the string-tip-mass system by using a non-symmetric peakdetector mechanism. Previously, this peak-detector system was used as an easy algorithm to mitigate vibration on ... -
A chaotic secure communication scheme based on duffing oscillators and frequency estimation
(2013)
Conference report
Open AccessThis work presents a new technique to securely transmit and retrieve a message signal via chaotic systems. In our system, a two-valued message signal modulates the frequency of a Duffing oscillator sinusoidal term. An ... -
A chaotic secure communication system design based on iterative learning control theory
(Multidisciplinary Digital Publishing Institute, 2016-10-01)
Article
Open AccessThis paper presents an application of Iterative Learning Control (ILC) theory to secure communication system design by using chaotic signals, where the logistic-map is employed as a source of chaos. Meanwhile, the ILC ... -
A continuous-time delay chaotic system obtained from a chaotic logistic map
(ACTA Press, 2017)
Conference report
Restricted access - publisher's policyThis paper presents a procedure to transform a chaotic logistic map into a continuous-time delay chaotic system by using sampled-data representation of continuous-time models. Because of this, the chaotic behavior of the ... -
A Control method based on a simple dynamic optimizer: an application to micromachines with friction
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-02)
Article
Open AccessIn Micromachines, like any mechanical system, friction compensation is an important topic for control design application. In real applications, a nonlinear control scheme has proven to be an efficient method to mitigate ... -
A discrete-time chaotic oscillator based on the logistic map: A secure communication scheme and a simple experiment using Arduino
(2015-03-29)
Article
Open AccessThis paper presents a modified discrete-time chaotic system obtained from the standard logistic map model. Then, a secure communication system is given and numerical experiments are carry out using the conceived discrete-time ... -
A fault detection method for hysteretic base-isolation systems
(Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III (MA3), 2011-02)
Part of book or chapter of book
Open Access -
A fault detection method for pitch actuators faults in wind turbines
(2015)
Conference report
Open AccessThe paper presents a model-based fault detection method for pitch actuators faults using the normalized gradient method to estimate the parameters of the pitch actuator. One major difficulty is that the input signal to the ... -
A Hysteresis dynamic mathematical model approach to parametric estimation system
(Hindawi, 2021-02-14)
Article
Open AccessThe main contribution of this paper is the proposal of a recent hysteresis dynamic model which is successfully employed within a posited signal modulator. The modulation of signals is a commonly required stage in many ... -
A modified Chua chaotic oscillator and its application to secure communications
(2014)
Article
Open AccessIn this paper, a new modified Chua oscillator is introduced. The original Chua oscillator is well known for its simple implementation and mathemati- cal modeling. A modification of the oscillator is proposed in order to ... -
A new device laboratory: Experimental validation
(2013)
Conference lecture
Open Access -
A nonlinear damping control for the vibration mitigation of the benchmark highway bridge
(2009-08)
Article
Open AccessActive, passive and semi-active controls have been extensively considered to improve the protection of structures against earthquakes. In this paper, we present a new nonlinear damper, which is then applied to a three-dimensional ... -
A Nonlinear magnetic stabilization control design for an externally manipulated DC motor: an academic low-cost experimental platform
(2021-05)
Article
Open AccessThe main objective of this paper is to present a position control design to a DC-motor, where the set-point is externally supplied. The controller is conceived by using vibrational control theory and implemented by just ... -
A proportional controller based on clustering theory: an academic example of a machine learning discipline
(EDP Sciences, 2018)
Conference report
Open AccessThe main objective of this paper is to present a controller design based on the K-means clustering theory. The controller is realized in such way that when the plant output is located outside of the designed clustering ... -
A Proportional digital controller to monitor load variation in wind turbine systems
(2022-01-13)
Article
Open AccessMonitoring the variation of the loading blades is fundamental due to its importance in the behavior of the wind turbine system. Blade performance can be affected by different loads that alter energy conversion efficiency ... -
A proportional plus a hysteretic term control design: a throttle experimental emulation to wind turbines pitch control
(2019-05-22)
Article
Open AccessPitch control is a relevant issue in wind turbines to properly operate the angle of the blades. Therefore, this control system pitches the blades usually a few degrees every time the wind changes in order to keep the rotor ... -
A quick fault detection system applied to pitch actuators of wind turbines
(2020)
Conference lecture
Open AccessThe design of fast respond fault detection systems to wind turbines results an important subject and represents a notable challenger too. This paper presents a recent approach on a quick response fault detection ... -
A quick fault detection system applied to pitch actuators of wind turbines
(2020-09-21)
Article
Open AccessThe design of fast respond fault detection systems to wind turbines results an important subject and represents a notable challenger too. This paper presents a recent approach on a quick response fault detection system ... -
A random signal generator by using analog electronics
(2021-06-30)
Article
Open AccessThe describing function theory is a powerful mathe matical tool to predict oscillations in non-linear dynam ical systems. This theory is here invoked to design a random signal generator and realized by using analog electronic ... -
A recent electronic control circuit to a throttle device
(2020-01)
Article
Open AccessThe main objective of this paper is to conceive a recent electronic control circuit to the throttle device. The throttle mechanical actuator is the most important part in an automotive gasoline engine. Among the different ...
