Results 161 to 170 of about 4,571 (211)
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Rail Component Detection, Optimization, and Assessment for Automatic Rail Track Inspection

IEEE Transactions on Intelligent Transportation Systems, 2014
In this paper, we present a real-time automatic vision-based rail inspection system, which performs inspections at 16 km/h with a frame rate of 20 fps. The system robustly detects important rail components such as ties, tie plates, and anchors, with high accuracy and efficiency.
Charles Otto
exaly   +2 more sources

Electromagnetic Tomography Rail Defect Inspection

IEEE Transactions on Magnetics, 2015
With the train’s speed improving, and running interval time decreasing, traditional rail defect inspection methods cannot meet the efficiency requirement of railway industrial standards. In this paper, we propose a new online rail defect inspection method which is using electromagnetic tomography (EMT) technique.
Ze Liu
exaly   +2 more sources

A cyber-enabled visual inspection system for rail corrugation

Future Generation Computer Systems, 2018
Abstract Rail inspection is one of the most important tasks to guarantee the safety of a railway transportation system, and it requires advanced information technologies (e.g. cyber–physical system and cyber–physical–social system) to build intelligent inspection systems.
Qingyong Li   +2 more
exaly   +2 more sources

Autonomous rail inspection

2017 IEEE International Conference on Power, Control, Signals and Instrumentation Engineering (ICPCSI), 2017
This paper deals with the detection of cracks in railway tracks. If these defects are not examined and controlled at the earlier stage, they might lead to number of derailments which results in heavy loss of life and property. The numbers of derailments are increasing day by day.
K. Chittal   +5 more
openaire   +1 more source

Inspection reliability and periodicity for rail axle inspection

Insight - Non-Destructive Testing and Condition Monitoring, 2006
Periodic inspection of railway axles is carried out to avoid axle failures. Analytical methods for determining the periodicity of inspection require knowledge of load conditions, materials properties and inspection reliability. The Wheelset Integrated Design and Maintenance (WIDEM) Project is being carried out to acquire some of this data and to ...
J Rudlin, A Muhammed, C Schneider
openaire   +1 more source

Application of the ACFM inspection method to rail and rail vehicles

Insight - Non-Destructive Testing and Condition Monitoring, 2005
The ACFM inspection technique is an electromagnetic inspection method, which is widely used in the oil and gas industry for the detection and sizing of surface-breaking cracks. It provides a number of advantages over conventional inspection methods, particularly in the ability to inspect without removing coatings or grease, and has recently been ...
D Topp, M Smith
openaire   +1 more source

Research and Rail Inspection

1962
This paper deals with the design and development of improved rail sections by the Denver and Rio Grande Western R.R., as an outgrowth of photoelastic stress analysis techniques which were applied to the study of rail loads and stresses. Various factors related to rail service life and rail failures are discussed, together with various nondestructive ...
R. McBrian, C. O. Penney
openaire   +1 more source

Non-contact ultrasonic guided wave inspection of rails

SPIE Proceedings, 2013
The University of California at San Diego (UCSD), under a Federal Railroad Administration (FRA) Office of Research and Development (R&D) grant, is developing a system for high-speed and non-contact rail integrity evaluation. A prototype using an ultrasonic air-coupled guided wave signal generation and air-coupled signal detection, in pair with a ...
Nguyen, T. V.   +5 more
openaire   +4 more sources

Study of a spiral-coil EMAT for rail subsurface inspection

Ultrasonics, 2020
The novelty of this paper is that a spiral-coil EMAT (electromagnetic acoustic transducer) is applied to rail subsurface inspection. To study the spiral-coil EMAT for rail subsurface inspection, the dominant mechanism is investigated emphatically.
Yong, Li   +4 more
openaire   +2 more sources

Non-contact ultrasonic guided wave inspections of rails

SPIE Proceedings, 2014
The University of California at San Diego (UCSD), under a Federal Railroad Administration (FRA) Office of Research and Development (R&D) grant, is developing a system for high-speed and non-contact rail integrity evaluation. A prototype using an ultrasonic air-coupled guided wave signal generation and air-coupled signal detection in pair with a real ...
Nguyen T. V.   +2 more
openaire   +1 more source

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