A Dynamic Hidden Markov Model with Real-Time Updates for Multi-Risk Meteorological Forecasting in Offshore Wind Power

Ruijia Yang, Jiansong Tang (), Ryosuke Saga and Zhaoqi Ma
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Ruijia Yang: Business School, Hohai University, Nanjing 211100, China
Jiansong Tang: Graduate School of Informatics, Osaka Metropolitan University, Osaka 559-8531, Japan
Ryosuke Saga: Graduate School of Informatics, Osaka Metropolitan University, Osaka 559-8531, Japan
Zhaoqi Ma: Graduate School of Informatics, Osaka Metropolitan University, Osaka 559-8531, Japan

Sustainability, 2025, vol. 17, issue 8, 1-31

Abstract: Offshore wind farms play a pivotal role in the global transition to clean energy but remain susceptible to diverse meteorological hazards—ranging from highly variable wind speeds and temperature anomalies to severe oceanic disturbances—that can jeopardize both turbine safety and overall power output. Although Hidden Markov Models (HMMs) have a longstanding track record in operational forecasting, this study leverages and extends their capabilities by introducing a dynamic HMM framework tailored specifically for multi-risk offshore wind applications. Building upon historical datasets and expert assessments, the proposed model begins with initial transition and observation probabilities and then refines them adaptively through periodic or event-triggered recalibrations (e.g., Baum–Welch), thus capturing evolving weather patterns in near-real-time. Compared to static Markov chains, naive Bayes classifiers, and RNN (LSTM) baselines, our approach demonstrates notable accuracy gains, with improvements of up to 10% in severe weather conditions across three industrial-scale wind farms. Additionally, the model’s minutes-level computational overhead for parameter updates and state decoding proves feasible for real-time deployment, thereby supporting proactive scheduling and maintenance decisions. While this work focuses on the core dynamic HMM method, future expansions may incorporate hierarchical structures, Bayesian uncertainty quantification, and GAN-based synthetic data to further enhance robustness under high-dimensional measurements and rare, long-tail meteorological events. In sum, the multi-risk forecasting methodology presented here—though built on an established HMM concept—offers a practical, adaptive solution that significantly bolsters safety margins and operational reliability in offshore wind power systems.

Keywords: offshore wind power; dynamic Hidden Markov Model; real-time updates; multi-risk meteorological forecasting (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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