Operational Modal Analysis on wind turbine drivetrains

Student thesis: Master's Thesis


With the increasing promotion of renewable energy sources, the wind energy sector has known massive changes over the past decades. The technology allows now to build higher and larger turbines increasing the power output. This upscaling trend comes at the costs of higher mechanical loads and fatigue of the turbine components, notably at the drivetrain side. As the operation and maintenance costs account for a great deal of the price of a turbine, research has been encouraged in order to detect and prevent failures. Among the existing condition monitoring methods, Operational Modal Analysis (OMA) is becoming an efficient alternative for which research is encouraged.
Date of Award2019
Original languageEnglish
Awarding Institution
  • Vrije Universiteit Brussel
  • Universit√© libre de Bruxelles
SupervisorPieter-Jan Daems (Advisor) & Jan Helsen (Promotor)


  • Modal analysis
  • Rotating machinery
  • drivetrain
  • outlier detection

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