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Foundation structural health monitoring of an offshore wind turbinea full-scale case study

机译：海上风力发电机基础结构健康监测的全面案例研究

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In this contribution, first, the results in the development of a structural health monitoring approach for the foundations of an offshore wind turbine based on its resonance frequencies will be presented. Key problems are the operational and environmental variability of the resonance frequencies of the turbine that potentially conceal any structural change. This article uses a (non-)linear regression model to compensate for the environmental variations. An operational case-by-case monitoring strategy is suggested to cope with the dynamic variability between different operational cases of the turbine. Real-life data obtained from an offshore turbine on a monopile foundation are used to validate the presented strategy and to demonstrate the performance of the presented approach. First, the results indicate an overall stiffening of the investigated structure.
机译：在此贡献中，首先，将介绍基于其共振频率为海上风力发电机组基础开发结构健康监测方法的结果。关键问题是涡轮机共振频率的操作和环境可变性，这可能隐藏任何结构变化。本文使用（非）线性回归模型来补偿环境变化。建议采用逐个案例监视策略，以应对涡轮机不同运行案例之间的动态变化。从单桩基础上的海上涡轮机获得的实际数据可用于验证所提出的策略并演示所提出方法的性能。首先，结果表明了所研究结构的整体刚度。

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