Vertical-axis wind turbine and its support against a blue sky
Vertical-axis wind-turbine photograph (application context). Myself (resized/WebP) · CC BY 4.0

Monitoring task and sensing route

Sensor placement should account for tower orientation, with temperature references for the slow-changing background. Frequency analysis also needs rotational-speed records and stable operating intervals.

Original conceptual layout: Directional tower sensors and the optical-fiber route
Original OriginSense application concept showing observation relationships, not a customer installation.

Published research observation

Van Esbeen and colleagues installed strain and temperature FBGs on a vertical-axis wind turbine, using frequency analysis to separate rotational and structural-mode responses. [1]

Research evidence and proposed validation
ItemDescription
Study settingField tests on a vertical-axis turbine
Research observationBending responses from different frequency sources
Proposed comparisonRecord orientation, height, packaging and temperature references.

Validation and integration priorities

Synchronize speed, wind and operating state; distinguish steady operation from speed changes.

Check major frequencies with independent vibration measurements and inspect bonding during long-term comparisons.

Reference

[1] Van Esbeen B et al. Strain Monitoring of Vertical Axis Wind Turbine Tower Using Fiber Bragg Gratings. Sensors (Basel, Switzerland) (2025). DOI: 10.3390/s25133921.