Offshore wind turbines have the potential to capture the high‐quality wind resource. However, the significant wind and wave excitations may result in excessive vibrations and decreased reliability. To reduce vibrations, passive structural control devices, such as the tuned mass damper (TMD), have been used. To further enhance the vibration suppression capability, inerter‐based absorbers (IBAs) have been studied using the structure‐based approach, that is, proposing specific stiffness‐damping‐inertance elements layouts for investigation. Such an approach has a critical limitation of being only able to cover specific IBA layouts, leaving numerous beneficial configurations not identified. This paper adopts the newly introduced structure‐immittance approach, which is able to cover all network layout possibilities with a predetermined number of elements. Linear monopile and spar‐buoy turbine models are first established for optimisation. Results show that the performance improvements can be up to 6.5% and 7.3% with four and six elements, respectively, compared with the TMD. Moreover, a complete set of beneficial IBA layouts with explicit element types and numbers have been obtained, which is essential for next‐step real‐life applications. In order to verify the effectiveness of the identified absorbers with OpenFAST, an approach has been established to integrate any IBA transfer functions. It has been shown that the performance benefits preserve under both the fatigue limit state (FLS) and the ultimate limit state (ULS). Furthermore, results show that the mass component of the optimum IBAs can be reduced by up to 25.1% (7,486 kg) to achieve the same performance as the TMD.

中文翻译：

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结构阻抗法抑制单桩和浮标式海上风力发电机的振动

海上风机具有捕获高质量风能的潜力。但是，大量的风浪激励可能会导致过度的振动并降低可靠性。为了减少振动，已使用无源结构控制设备，例如调谐质量阻尼器（TMD）。为了进一步增强减振能力，已经使用基于结构的方法研究了基于惯性的吸收器（IBA），即提出了用于研究的特定刚度-阻尼-惯性元件布局。这样的方法有一个关键的局限性，即只能覆盖特定的IBA布局，而没有发现许多有益的配置。本文采用了新引入的结构阻抗方法，能够使用预定数量的元素覆盖所有网络布局的可能性。线性单桩和浮标涡轮机模型最初是为优化而建立的。结果表明，与TMD相比，使用四个和六个元素时，性能分别提高了6.5％和7.3％。此外，已经获得了一整套有益的IBA布局，其中包含明确的元素类型和编号，这对于下一步实际应用至关重要。为了用OpenFAST验证已识别吸收器的有效性，已经建立了一种集成任何IBA传递函数的方法。已经表明，在疲劳极限状态（FLS）和极限极限状态（ULS）下都保留了性能优势。此外，