Ultrasonic Guided Waves-Based Monitoring of Rail Head: Laboratory and Field Tests in Advances in Civil Engineering

Marcello Cammarata, Robert Phillips, Ivan Bartoli, Stefano Coccia, Marcello Cammarata, Salvatore Salamone, Francesco Lanza Di Scalea, Piervincenzo Rizzo

    Risultato della ricerca: Article

    22 Citazioni (Scopus)

    Abstract

    Recent train accidents have reaffirmed the need for developing a rail defect detection system more effective than that currently used. One of the most promising techniques in rail inspection is the use of ultrasonic guided waves and noncontact probes. A rail inspection prototype based on these concepts and devoted to the automatic damage detection of defects in rail head is the focus of this paper. The prototype includes an algorithm based on wavelet transform and outlier analysis. The discrete wavelet transform is utilized to denoise ultrasonic signals and to generate a set of relevant damage sensitive data. These data are combined into a damage index vector fed to an unsupervised learning algorithm based on outlier analysis that determines the anomalous conditions of the rail. The first part of the paper shows the prototype in action on a railroad track mock-up built at the University of California, San Diego. The mock-up contained surface and internal defects. The results from three experiments are presented. The importance of feature selection to maximize the sensitivity of the inspection system is demonstrated here. The second part of the paper shows the results of field testing conducted in south east Pennsylvania under the auspices of the U.S. Federal Railroad Administration
    Lingua originaleEnglish
    pagine (da-a)1-13
    Numero di pagine13
    RivistaAdvances in Civil Engineering
    Volumevol. 2010 Issue 1
    Stato di pubblicazionePublished - 2010

    Fingerprint

    Guided electromagnetic wave propagation
    Ultrasonic waves
    Civil engineering
    Rails
    Monitoring
    Inspection
    Defects
    Unsupervised learning
    Railroad tracks
    Damage detection
    Railroads
    Wavelet transforms
    Feature extraction
    Accidents
    Ultrasonics
    Testing

    All Science Journal Classification (ASJC) codes

    • Civil and Structural Engineering

    Cita questo

    Cammarata, M., Phillips, R., Bartoli, I., Coccia, S., Cammarata, M., Salamone, S., ... Rizzo, P. (2010). Ultrasonic Guided Waves-Based Monitoring of Rail Head: Laboratory and Field Tests in Advances in Civil Engineering. Advances in Civil Engineering, vol. 2010 Issue 1, 1-13.

    Ultrasonic Guided Waves-Based Monitoring of Rail Head: Laboratory and Field Tests in Advances in Civil Engineering. / Cammarata, Marcello; Phillips, Robert; Bartoli, Ivan; Coccia, Stefano; Cammarata, Marcello; Salamone, Salvatore; Di Scalea, Francesco Lanza; Rizzo, Piervincenzo.

    In: Advances in Civil Engineering, Vol. vol. 2010 Issue 1, 2010, pag. 1-13.

    Risultato della ricerca: Article

    Cammarata, M, Phillips, R, Bartoli, I, Coccia, S, Cammarata, M, Salamone, S, Di Scalea, FL & Rizzo, P 2010, 'Ultrasonic Guided Waves-Based Monitoring of Rail Head: Laboratory and Field Tests in Advances in Civil Engineering', Advances in Civil Engineering, vol. vol. 2010 Issue 1, pagg. 1-13.
    Cammarata, Marcello ; Phillips, Robert ; Bartoli, Ivan ; Coccia, Stefano ; Cammarata, Marcello ; Salamone, Salvatore ; Di Scalea, Francesco Lanza ; Rizzo, Piervincenzo. / Ultrasonic Guided Waves-Based Monitoring of Rail Head: Laboratory and Field Tests in Advances in Civil Engineering. In: Advances in Civil Engineering. 2010 ; Vol. vol. 2010 Issue 1. pagg. 1-13.
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