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Hybrid vibration control of offshore wind turbines under multiple external excitations

文献类型： 外文期刊

作者： Xie, Shuangyi 1 ; He, Jiao 2 ; Zhang, Chenglin 3 ; Jin, Xin 4 ; Gao, Jian 5 ;

作者机构： 1.Chongqing Univ Technol, Coll Mech Engn, Chongqing 400054, Peoples R China

2.Chongqing Univ Sci & Technol, Sch Mech & Power Engn, Chongqing 401331, Peoples R China

3.Chinese Acad Fishery Sci, Fishery Machinery & Instrument Res Inst, Shanghai 200092, Peoples R China

4.Chongqing Univ, Coll Mech Engn, Chongqing 400044, Peoples R China

5.Beijing Inst Precis Mechatron & Controls, Beijing 100076, Peoples R China

期刊名称：JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY （ 影响因子：2.219； 五年影响因子：2.004 ）

ISSN： 1941-7012

年卷期： 2020 年 12 卷 4 期

页码：

收录情况： SCI

摘要： Structural control methods are a promising way to improve the dynamic response of offshore wind turbines. In this study, the effectiveness of passive tuned mass damper (TMD) and hybrid mass damper (HMD) control is examined for suppressing the vibration in a monopile offshore wind turbine subjected to a combination of wind, wave, and seismic loads. A high-fidelity wind turbine model is established based on the multi-body dynamics simulation code SIMPACK. A reduced-order model of the wind turbine is, then, extracted from input-output time-domain response data, which is used to design an HMD controller using the H-infinity loop shaping approach. The controller is, then, applied in the high-fidelity multi-body model of the wind turbine, and an additional control force is applied using feedback from the displacement acceleration at the tower top. The performance of the passive TMD and HMD control systems is examined and compared in terms of the suppression of tower-top displacements under normal operating and parked conditions. The results revealed that the HMD control system can better reduce the tower-top displacement as compared to the passive TMD system before and during earthquakes, albeit at the expense of high input control power and large TMD displacements. However, the two control systems have a negative impact on the dynamic response of tower after the earthquake. Moreover, the investigation of controller gains indicated that the vibration suppression effect of HMD improves with the increase in control power, leading to larger TMD strokes.

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