Uncertainty quantification of modal parameter estimates obtained from subspace identification: An experimental validation on a laboratory test of a large-scale wind …
The uncertainty afflicting modal parameter estimates stems from eg, the finite data length,
unknown, or partly measured inputs and the choice of the identification algorithm …
unknown, or partly measured inputs and the choice of the identification algorithm …
Linear time periodic system approximation based on Floquet and Fourier transformations for operational modal analysis and damage detection of wind turbine
A Cadoret, ED Goy, JM Leroy, JL Pfister… - Mechanical Systems and …, 2024 - Elsevier
Abstract Operational Modal Analysis (OMA) identifies modal properties of mechanical
structures from vibration data collected from a few sensors under operation conditions …
structures from vibration data collected from a few sensors under operation conditions …
Design of an efficient experiment for identification-based stability analysis of operating wind turbines
This paper proposes a new approach to calculate aeroelastic stability of operating wind
turbines using system identification, and explores how an efficient numerical experiment can …
turbines using system identification, and explores how an efficient numerical experiment can …
[PDF][PDF] 周期激励下的风机塔架模态识别方法
胡嘉苗， 杭晓晨， 朱锐， 曹芝腑， 姜东 - 噪声与振动控制, 2021 - nvc.sjtu.edu.cn
辨识模态参数是准确获得风机塔架结构动态特性的基础. 由于风力机叶片上的重力和风切变引起
的气动载荷都会周期性地改变大小和方向及受到桨叶螺距等周期载荷的影响 …
的气动载荷都会周期性地改变大小和方向及受到桨叶螺距等周期载荷的影响 …