Experience in developing and using automated laser diagnostic equipment for the contactless monitoring of the parameters of freight car wheels

The problems of obtaining high reliability in the automated contactless monitoring of the geometric parameters of freight car wheels during the motion of a train under practical operating conditions using laser equipment are discussed. The factors which influence the reduction in the monitoring reli...

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Bibliographic Details
Published in:Measurement techniques 2010-08, Vol.53 (4), p.444-448
Main Authors: Baibakov, A. N., Kuchinskii, K. I., Paterikin, V. I., Plotnikov, S. V., Sotnikov, V. V.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Automation
Characterization and Evaluation of Materials
Lasers
Measurement Science and Instrumentation
Measurement techniques
Monitoring systems
Physical Chemistry
Physics
Physics and Astronomy
Radiation
Railroad transportation
Science
Sensors
Signal to noise ratio
Studies
Wheels
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Summary:The problems of obtaining high reliability in the automated contactless monitoring of the geometric parameters of freight car wheels during the motion of a train under practical operating conditions using laser equipment are discussed. The factors which influence the reduction in the monitoring reliability are analyzed, and methods of reducing this influence (by a factor of 2–10) are demonstrated. An eddy-current sensor and a subsystem based on it for detecting defects in the rolling surface of wheel pairs are described.
ISSN:0543-1972
1573-8906
DOI:10.1007/s11018-010-9523-9