Schematic illustration of a ground-based lidar measurement system (VALUS project idea) in a wind farm. A sensor (bottom center) captures two scan ranges: the narrow actual scan range (dark blue triangle, approx. 26.6° half-angle from vertical) and the wide target scan range (light blue circular segment covering nearly the entire half-space above ground, labeled "All-Sky"). Several wind turbines are visible in the background across an agricultural area. Source: SWE.

VALUS Micro-Project Launched

May 11, 2026

The VALUS micro-project aims to further develop the SWE lidar scanner into an all-sky system. This advancement opens up new research applications — particularly for ground-based deployment of the SWE lidar scanner.

Within the VALUS micro-project, a lidar scanner developed at the chair for wind field measurement is being systematically enhanced. The existing system is distinguished by an actively steerable laser beam ("scanning"), enabling flexible measurements that go beyond the capabilities of conventional fixed-beam lidar devices. The goal is to expand it into an "all-sky scanner" that ideally allows complete hemispherical or 360° coverage. To this end, the project will develop a demonstrator that proves the technical feasibility of an extended scanning mechanism as well as a suitable optical enclosure. At the same time, it will be ensured that the measurement signal quality is at least maintained or improved. The innovation lies in the combination of a large measurement range, high flexibility, and compact design. This opens up new applications in research and industry, particularly in the analysis of complex wind fields. This work is carried out in parallel with the research project SSwiFT.

 
 
 
 
 

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