Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Carvel Holton"'
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8804 (2024)
This study aims to develop a robust and efficient system to identify ties and ballasts in motion using a variety of non-contact sensors mounted on a robotic rail cart. The sensors include distance LiDAR sensors and inductive proximity sensors for fer
Externí odkaz:
https://doaj.org/article/fea086b71a0d4229bfa3e9837b72f05a
Publikováno v:
2021 Joint Rail Conference.
This paper presents a laboratory evaluation of a novel optical sensing system mounted on a moving platform for detecting the presence and adequacy of Top-of-Rail (TOR) friction modifiers and flange greases. The friction modifiers are applied on the t
Publikováno v:
2021 Joint Rail Conference.
The primary intent of this study is to evaluate the effectiveness and utility of a laser-based measurement unit for qualitative assessment of the presence and amount of Top-of-Rail Friction Modifier (TOR or TORFM), at reasonably high speeds and over
Publikováno v:
2020 Joint Rail Conference.
Continued research into the development of prototype optics based Top-of-Rail (TOR) Lubricity sensors has led to the discovery of benefits and drawbacks of different optical sensing technologies. Sensors of many different types have been investigated
Publikováno v:
2019 Joint Rail Conference.
This study provides the results of research for obtaining track lubricity conditions through using laser/LED-based, optical sensors while onboard a push-cart. The resulting sensors are intended to be able to identify the lubricity condition of a rail
Publikováno v:
Vehicle System Dynamics. 50:299-321
Accurately estimating the coefficient of friction (CoF) is essential in modelling railroad dynamics, reducing maintenance costs, and increasing safety in rail operations. The typical assumption of a constant CoF is widely used in theoretical studies;
Publikováno v:
Physica E: Low-dimensional Systems and Nanostructures. 26:377-381
We present a study of the basic optical properties of colloidal CdSe/ZnS core/shell quantum dots entrained in a microstructured optical fiber. Quantum dots suspended in heptane were pulled into the holes surrounding the solid core of a microstructure
Publikováno v:
Journal of Tribology. 134
The coefficient of friction (CoF) is a very important factor for designing, operating, and maintaining the wheel-rail system. In the real world, accurate estimation of the CoF at the wheel-rail interface is difficult due to the effects of various unc
Publikováno v:
2010 Joint Rail Conference, Volume 2.
The coefficient of friction (CoF) is one of the most important parameters for characterizing the contact between the wheel and the rail. The assumption of a constant CoF is still used in most theoretical studies, although experimental work indicates
Publikováno v:
Volume 6: ASME Power Transmission and Gearing Conference; 3rd International Conference on Micro- and Nanosystems; 11th International Conference on Advanced Vehicle and Tire Technologies.
The coefficient of friction (CoF) is one of the most important parameters for the contact between the wheel and the rail. Accurate estimation or measurement of the CoF has a very important role, both in terms of modeling the train dynamics and in ter