WindSeer: real-time volumetric wind prediction over complex terrain aboard a small uncrewed aerial vehicle

Florian Achermann (), Thomas Stastny (), Bogdan Danciu, Andrey Kolobov, Jen Jen Chung, Roland Siegwart and Nicholas Lawrance ()
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Florian Achermann: ETH Zurich
Thomas Stastny: ETH Zurich
Bogdan Danciu: ETH Zurich
Andrey Kolobov: One Microsoft Way
Jen Jen Chung: ETH Zurich
Roland Siegwart: ETH Zurich
Nicholas Lawrance: ETH Zurich

Nature Communications, 2024, vol. 15, issue 1, 1-17

Abstract: Abstract Real-time high-resolution wind predictions are beneficial for various applications including safe crewed and uncrewed aviation. Current weather models require too much compute and lack the necessary predictive capabilities as they are valid only at the scale of multiple kilometers and hours – much lower spatial and temporal resolutions than these applications require. Our work demonstrates the ability to predict low-altitude time-averaged wind fields in real time on limited-compute devices, from only sparse measurement data. We train a deep neural network-based model, WindSeer, using only synthetic data from computational fluid dynamics simulations and show that it can successfully predict real wind fields over terrain with known topography from just a few noisy and spatially clustered wind measurements. WindSeer can generate accurate predictions at different resolutions and domain sizes on previously unseen topography without retraining. We demonstrate that the model successfully predicts historical wind data collected by weather stations and wind measured by drones during flight.

Date: 2024
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DOI: 10.1038/s41467-024-47778-4

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