Listar por autor "Pérez-Fernández, Javier"
Mostrando ítems 1-20 de 25
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A biological-like controller using improved spiking neural networks
Pérez-Fernández, Javier; Alcázar-Vargas, Manuel Gonzalo; Velasco García, Juan María; Cabrera-Carrillo, Juan Antonio
; Castillo-Aguilar, Juan Jesús (Elsevier, 2021-08-09)
The replication of the behavior of biological systems is a primary step to understand how the brain and the neural networks that comprise it work. The study of these systems began with the analysis of animals with low ... -
A Novel Method for Determining Angular Speed and Acceleration Using Sin-Cos Encoders.
Alcázar-Vargas, Manuel Gonzalo; Pérez-Fernández, Javier; Velasco García, Juan María; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (MDPI, 2021)
The performance of vehicle safety systems depends very much on the accuracy of the signals coming from vehicle sensors. Among them, the wheel speed is of vital importance. This paper describes a new method to obtain the ... -
Aplicación de las T.I.C. para optimizar el trabajo en equipo en el ámbito de la ingeniería industrial.
Alcázar-Vargas, Manuel Gonzalo; Pérez-Fernández, Javier; Castillo-Aguilar, Juan Jesús; Velasco García, Juan María (UMA editorial, 2021)
La competición internacional Motostudent tiene como objetivo el diseño y fabricación, íntegramente por alumnos, de una motocicleta de competición eléctrica. Para ello, en este trabajo se expone brevemente el objetivo de ... -
Coevolutionary Optimization of a Fuzzy Logic Controller for Antilock Braking Systems Under Changing Road Conditions
Pérez-Fernández, Javier; Alcázar-Vargas, Manuel Gonzalo; Velasco García, Juan María; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (IEEE, 2021-01-24)
An anti-lock brake system based on fuzzy logic has been developed and optimized to cope with changes in adherence road conditions. Conventional control systems have to be tuned by conducting simulations and tests on different ... -
Control Regenerativo para Motocicleta Eléctrica
Cabrera-Carrillo, Juan Antonio; Pérez-Fernández, Javier; Velasco, Juan Manuel; Castillo-Rosa, Juan (2017-11-03)
Los vehículos cuya transmisión se realiza con motores eléctricos están aumentando dentro de la industria del automóvil y pueden llegar a ser una alternativa fiable a los vehículos con transmisión mediante motores de ... -
Design and testing of a steering damper for motorcycles based on a shear-thickening fluid.
Urda Gómez, Pedro; Pérez-Fernández, Javier; Carabias-Acosta, Enrique; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (IOP, 2022-08-02)
This work is intended to show the feasibility of the utilisation of a shear-thickening fluid as working fluid in a steering damper for motorcycles. To that end, a prototype of a steering damper has been designed and then ... -
Design of mandibular advancement devices using an evolutionary algorithm.
Cabrera-Carrillo, Juan Antonio; Bataller-Torras, Alex; Pérez-Fernández, Javier; Alcázar-Vargas, Manuel Gonzalo (2024)
Sleep apnea is a disorder in which breathing is interrupted during sleep [1]. The most common type is obstructive sleep apnea (OSA), in which there is a partial or complete collapse of the upper airway during sleep. Patients ... -
Development and implementation of active safety systems in vehicles using spiking neural networks
(UMA Editorial, 2022-02-03)El desarrollo de esta tesis ha permitido establecer una nueva estrategia de control biológico vehicular. Esto aumenta la seguridad en una condición de emergencia realizando un control del deslizamiento producido entre el ... -
Diseño y fabricación de un basculante para la competición MotoStudent Electric empleando una estructura de aluminio.
(2023)Partiendo de la VII edición de la competición MotoStudent, el equipo UMA Racing Team de la Universidad de Málaga, en la cual los integrantes de este cooperan en la fabricación y diseño de una motocicleta eléctrica con el ... -
Estimación de la resistencia a la rodadura en neumáticos mediante banco de ensayos de tracción-compresión
Alcázar-Vargas, Manuel Gonzalo; Pérez-Fernández, Javier; Carabias-Acosta, Enrique; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (AEIM, 2021-10-20)
La resistencia a la rodadura constituye alrededor del 20 % del consumo energético en automóviles. Más del 90 % del impacto medioambiental de los neumáticos se atribuye a la energía perdida en la rodadura. Cada vez más, los ... -
Influence of system dynamics in brake blending strategies for electric vehicles
Alcázar-Vargas, Manuel Gonzalo; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús; Pérez-Fernández, Javier; Velasco García, Juan María; Cabrera-Carrillo, Juan Antonio[et al.] (2019-09-17)
Regenerative and friction braking blending strategies need to consider both system dynamics in order to optimize their performance. Usually, the priority in electric vehicles is battery regeneration through electric braking ... -
Influence of tire dynamics on a braking process with ABS.
Pérez-Fernández, Javier; Alcázar-Vargas, Manuel Gonzalo; Velasco García, Juan María; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (Elsevier, 2021)
This article analyzes the influence of the proper modeling of the anti-lock brake system control loop components. Both the use of a stationary tire model and not considering the delays due to measurement, estimation, and ... -
Influencia de la temperatura y la velocidad en la dinámica del contacto neumático carretera
Alcázar-Vargas, Manuel Gonzalo; Pérez-Fernández, Javier; Velasco García, Juan Manuel; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (2020-03-11)
En el contexto de los sistemas de seguridad activa en vehículos, los neumáticos juegan un papel fundamental. Un conocimiento más preciso del comportamiento del neumático conlleva directamente una mejora de la seguridad ... -
Low-Cost FPGA-Based Electronic Control Unit for Vehicle Control Systems
Pérez-Fernández, Javier; Alcázar-Vargas, Manuel Gonzalo; Velasco García, Juan María; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (MDPI, 2019)
The development of new control algorithms in vehicles requires high economic resources, mainly due to the use of generic real-time instrumentation and control systems. In this work, we proposed a low-cost electronic control ... -
Modeling of an Overactuated Vehicle in Simscape Multibody for the Characterization of Suspension and Steering Actuation Systems.
Alcázar-Vargas, Manuel Gonzalo; Pérez-Fernández, Javier; Castillo-Aguilar, Juan Jesús; Cabrera-Carrillo, Juan Antonio (2023)
Overactuated systems are increasingly among us. They are used for applications in vehicles, aeronautics and robotics, among others [1, 2]. These systems have a number of advantages, among which we can mention that there ... -
Modeling of the Influence of Operational Parameters on Tire Lateral Dynamics
Alcázar-Vargas, Manuel Gonzalo; Pérez-Fernández, Javier; Sánchez-Andrades, Ignacio; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (IOAP-MPDI, 2022-08-24)
Tires play a critical role in vehicle safety. Proper modeling of tire–road interaction is essential for optimal performance of active safety systems. This work studies the influence of temperature, longitudinal vehicle ... -
Modeling of tire vertical behavior using a test bench
Carabias-Acosta, Enrique; Castillo-Aguilar, Juan Jesús; Cabrera-Carrillo, Juan Antonio; Velasco García, Juan María; Pérez-Fernández, Javier; Alcázar-Vargas, Manuel Gonzalo[et al.] (IEEE, 2020)
Tire models are of great importance for precise investigations of vertical vehicle dynamics, including vehicular safety and riding comfort. An adequate modeling of the tire is crucial to properly reproduce vehicle vertical ... -
Motorcycle final drive geometry optimization on uneven roads
Alcázar-Vargas, Manuel Gonzalo; Pérez-Fernández, Javier; Mata-Bago, José Enrique; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (Elsevier, 2019-09-30)
The design of transmission systems plays an important role in the dynamic performance of motorcycles. It is well known that power delivery and stability in motorcycles is strongly affected by the geometry of the final ... -
Non-Ideal Joints and Friction: A Study on Motorcycle Front Suspension Dynamics.
Alcázar-Vargas, Manuel Gonzalo; Pérez-Fernández, Javier; Escalera-Zamudio, Agustín; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús (2024)
The front suspension of motorcycles plays a crucial role in their dynamic behavior. Throughout history, various types of frontsuspension have been employed in numerous motorcycles [1,2], including telescopic fork, front ... -
Non-intrusive determination of shock absorber characteristic curves by means of evolutionary algorithms
Carabias-Acosta, Enrique; Cabrera-Carrillo, Juan Antonio; Castillo-Aguilar, Juan Jesús; Pérez-Fernández, Javier; Alcázar-Vargas, Manuel Gonzalo (Elsevier, 2023-01-01)
The fault detection in the components of the suspension system of road vehicles is of great importance. The optimal performance of the suspension system has a big influence on the safety and stability of a vehicle. Vehicle ...