Noise Steering: Exploiting Wake Steering and Acoustic Directivity for Noise-Constrained Wind Farm Control via Reinforcement Learning

Authors: Martín de Frutos , Baptiste Corban , Claire Bizon Monroc , Ana Bušić , Donatien Dubuc , Jiamin Zhud , Esteban Ferrer

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Abstract: Existing noise mitigation strategies for wind farms usually consist in reducing turbines power output, without accounting for the wake interactions between them and the noise emission directivity. This leads to over-conservative policies and unexploited wind power. Yet, turbine yaw can simultaneously affect wake interactions and the direction of noise emission, offering an additional degree of freedom for farm-level noise control. We therefore propose Noise Steering, a model-free reinforcement learning (RL) strategy that jointly controls turbine yaw angles and power setpoints to maximise farm power while satisfying a local noise constraint in a defined region. To enable training at a reduced computational cost, a low-fidelity acoustic model is coupled with the steady-state FLORIS simulator. The RL agent effectively learns how to redirect wakes and noise directivity away from the protected region while redistributing power across the farm. On a six-turbine test farm, the policy satisfies the 40 dB noise constraint throughout the full range of turbulent winds, with an average power deficit of only 2% relative to greedy unimpeded control, and up to 7.7% at high wind speeds. In comparison, the industry-standard noise-reduced operation (NRO) baseline here generates an average power loss of 17%. When deployed in the higher-fidelity this http URL simulator, the policy largely retains its performance under steady and turbulent inflow, despite differences in simulation fidelity. These results demonstrate the potential of combining yaw control and power derating through RL to improve the power-noise trade-off in wind farm operation.

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17 pages, 11 figures

Subjects:

Artificial Intelligence (cs.AI) ; Systems and Control (eess.SY); Atmospheric and Oceanic Physics (physics.ao-ph); Fluid Dynamics (physics.flu-dyn)

Cite as:

arXiv:2610.36888 [cs.AI]

(or

arXiv:2610.36888v1 [cs.AI] for this version)

https://doi.org/10.48550/arXiv.2610.36888

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arXiv-issued DOI via DataCite (pending registration)

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From: Martín De Frutos Muñoz [ view email ]

[v1]

Tue, 27 Oct 2026 09:23:45 UTC (3,239 KB)

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