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Artículo
Formulación dinámica de mecanismos flexibles en coordenadas nodales absolutas
(Asociación española de ingeniería mecánica, 1998)
En esta investigación se presenta una nueva formulación de elementos finitos que puede ser utilizada para análisis de grandes desplazamientos elásticos o grandes rotaciones de sólidos flexibles, la formulación en coordenadas ...
Artículo
A Track Geometry Measuring System Based on Multibody Kinematics, Inertial Sensors and Computer Vision
(MDPI, 2020-01)
This paper describes the kinematics used for the calculation of track geometric irregularities of a new Track Geometry Measuring System (TGMS) to be installed in railway vehicles. The TGMS includes a computer for data ...
Artículo
Estimation of Lateral Track Irregularity through Kalman Filtering Techniques
(2021)
The aim of this work is to develop a model-based methodology for monitoring lateral track irregularities based on the use of inertial sensors mounted on an in-service train. To this end, a gyroscope is used to measure the ...
Artículo
Design and manufacture of a scaled railway track with mechanically variable geometry
(Nature, 2022)
The objective of this article is to present the design and manufacture of a scaled railroad track to be used as a laboratory track for the study of different railway applications. It could be a guideline for future laboratory ...
Artículo
Experimental measurement of track irregularities using a scaled track recording vehicle and Kalman filtering techniques
(Academic Press, 2022)
The actual trend of railway industry on track surveying is heading up the development of fast automated methods for continuous monitoring of track quality. This paper presents a model-based methodology for the estimation ...
Artículo
Advances in the modeling and dynamic simulation of reeving systems using the arbitrary Lagrangian–Eulerian modal method
(Springer, 2022)
This paper presents new advances in the arbitrary Lagrangian–Eulerian modal method (ALEM) recently developed for the systematic simulation of the dynamics of general reeving systems. These advances are related to a more ...
Artículo
Modeling viscous damping for transverse oscillations in reeving systems using the Arbitrary Lagrangian–Eulerian Modal approach
(Elsevier, 2022)
This paper contributes to a recently proposed Arbitrary Lagrangian–Eulerian Modal (ALEM) approach that makes it possible to develop finite elements with variable volume suitable for modeling wire-ropes in reeving systems. ...
Artículo
Comparison of numerical and computational aspects between two constraint-based contact methods in the description of wheel/rail contacts
(Springer Science and Business Media B.V., 2022-03)
The numerical and computation aspects of the Knife-edge Equivalent Contact (KEC) constraint and lookup table (LUT) methods are compared in this paper. The LUT method implementation uses a penetration-based elastic contact ...
Artículo
Application and Experimental Validation of a Multibody Model with Weakly Coupled Lateral and Vertical Dynamics to a Scaled Railway Vehicle
(MDPI, 2020)
In this paper, a multibody dynamic model of a railway vehicle that assumes that vertical and lateral dynamics are weakly coupled, has been experimentally validated using an instrumented scaled vehicle running on a ...
Artículo
An analytical solution of the rope-sheave contact in static conditions based on a bristle model
(Elsevier, 2023-03)
This paper presents an analytical solution for the rope-sheave contact problem in static conditions, also applicable to belt-pulley problems and similar mechanisms. The rope is assumed under constant and unequal loads at ...