A comparative study on vibration-based condition monitoring algorithms for wind turbine drive trains

Authors

  • David Siegel,

    Corresponding author
    1. Department of Mechanical Engineering, Center for Intelligent Maintenance Systems, University of Cincinnati, Cincinnati, Ohio, USA
    • Correspondence: David Siegel, Department of Mechanical Engineering, Center for Intelligent Maintenance Systems, University of Cincinnati, PO Box 210072, Cincinnati, Ohio 45221-0072, USA.

      E-mail: siegeldn@mail.uc.edu

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  • Wenyu Zhao,

    1. Department of Mechanical Engineering, Center for Intelligent Maintenance Systems, University of Cincinnati, Cincinnati, Ohio, USA
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  • Edzel Lapira,

    1. Department of Mechanical Engineering, Center for Intelligent Maintenance Systems, University of Cincinnati, Cincinnati, Ohio, USA
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  • Mohamed AbuAli,

    1. Department of Mechanical Engineering, Center for Intelligent Maintenance Systems, University of Cincinnati, Cincinnati, Ohio, USA
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  • Jay Lee

    1. Department of Mechanical Engineering, Center for Intelligent Maintenance Systems, University of Cincinnati, Cincinnati, Ohio, USA
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ABSTRACT

The ability to detect and diagnose incipient gear and bearing degradation can offer substantial improvements in reliability and availability of the wind turbine asset. Considering the motivation for improved reliability of the wind turbine drive train, numerous research efforts have been conducted using a vast array of vibration-based algorithms. Despite these efforts, the techniques are often evaluated on smaller-scale test-beds, and existing studies do not provide a detailed comparison between the various vibration-based condition monitoring algorithms. This study evaluates a multitude of methods, including frequency domain and cepstrum analysis, time synchronous averaging narrowband and residual methods, bearing envelope analysis and spectral kurtosis-based methods. A full-scale baseline wind turbine drive train and a drive train with several gear and bearing failures are tested at the National Renewable Energy Laboratory (NREL) dynamometer test cell during the NREL Gear Reliability Collaborative Round Robin study. A tabular set of results is presented to highlight the ability of each algorithm to accurately detect the bearing and gear wheel component health. The results highlight that the cepstrum and the narrowband phase modulation signal were effective methods for diagnosing gear tooth problems, whereas bearing envelope analysis could confidently detect most of the bearing-related failures. Copyright © 2013 John Wiley & Sons, Ltd.

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