Author

R. Rolfes

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Open access Sep 2026

Virtual sensing for strain estimation in wind turbine support structures based on a biaxial accelerometer

This paper introduces a novel model-based approach for virtual sensing of wind turbine support structures for full-field strain estimation using a single biaxial, DC-capable accelerometer and a sufficiently accurate structural model. It enables displacement and strain estimation in the quasi-static frequency band, whic...

Jonathan Thurn, Clemens Jonscher, Benedikt Hofmeister et al. · Wind Energy Science · 0 citations

Open access Aug 2026

Influence of Modeling Uncertainties in Accelerometer-based Strain Estimation for Wind Turbine Support Structures

One challenge in structural health monitoring (SHM) is to make reliable statements about the condition of the structure using only a few sensors, which is desirable from both technical and economic perspectives, as wind turbines often already have one acceleration sensor installed at the nacelle. Virtual sensing method...

Jonathan Thurn, Clemens Jonscher, G. Zorzi et al. · e-Journal of Nondestructive... · 0 citations

Open access Jul 2026

Uncertainty-based mode selection for closely spaced modes in operational modal analysis of a wind turbine during assembly

This study investigates the dynamic behaviour of an onshore wind turbine tower throughout the entire assembly process, with particular emphasis on the challenge of identifying closely spaced modes in operational modal analysis. A comprehensive measurement campaign, involving up to 23 accelerometers, was conducted to ca...

Leon Liesecke, Clemens Jonscher, Benedikt Hofmeister et al. · Journal of Civil Structural... · 0 citations