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Mostrando ítems 1-8 de 8
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 ...
Patente. Invención
Sistema y método de medida de geometría de vías
(Oficina Española de Patentes y Marcas (OEPM), 2022-07-12)
Sistema y método de medida de geometría de vías (SMGV), para identificar y cuantificar irregularidades en una vía (1), donde el sistema comprende una estructura (2) rígida, para acoplarse a un medio de desplazamiento ...
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
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 ...
Tesis Doctoral
Wheel-rail contact force measurement. A comparison between distance laser and strain gauges measuring technology
(2019-12-13)
The development of this PhD thesis is focus on the wheel/rail contact force measurement on a 1 : 10 scaled railway vehicle. To that end, the author has designed and manufactured a dynamometric wheelset instrumented with ...
Artículo
Track frame approach for heading and attitude estimation in operating railways using on-board MEMS sensor and encoder
(Elsevier, 2021-07)
In this work, the orientation of a railway is estimated with a novel methodology based on multibody system kinematics using the railway-specific track frame. The proposed method improves the prediction model by considering ...