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陈旭, 王大龙, 王文浩, 等. 基于VMD-SA-CNN-LSTM风速风向预测模型的海上风电机组偏航控制策略[J]. 太阳能学报, 2026,47(4):414-424.
陈旭, 王大龙, 王文浩, et al. 基于VMD-SA-CNN-LSTM风速风向预测模型的海上风电机组偏航控制策略[J]. 2026, 47(4): 414-424.
陈旭, 王大龙, 王文浩, 等. 基于VMD-SA-CNN-LSTM风速风向预测模型的海上风电机组偏航控制策略[J]. 太阳能学报, 2026,47(4):414-424. DOI: doi:10.19912/j.0254-0096.tynxb.2024-2258.
陈旭, 王大龙, 王文浩, et al. 基于VMD-SA-CNN-LSTM风速风向预测模型的海上风电机组偏航控制策略[J]. 2026, 47(4): 414-424. DOI: doi:10.19912/j.0254-0096.tynxb.2024-2258.
面对快速变化的风速风向
传统偏航控制存在响应滞后和无效偏航等问题
为进一步提高海上风电机组发电能效
提出一种基于机器学习风速风向预测模型的海上风电机组偏航控制策略。首先
对风速风向测量数据进行预处理
采用平均化方法和变分模态分解方法(VMD)
得到不同时间尺度平均风速风向的高频项、中频项、低频项和残差项。基于此
采用基于自注意力机制的长短期记忆卷积神经网络(SA-CNN-LSTM)对风速风向的各频率项和残差项进行超短期预测
构建风速风向预测模型。进一步地
根据风电机组运行状态划分风速区间
构建优化目标函数
结合改进灰狼优化算法(IGWO)与粒子群优化算法(PSO)优化偏航控制参数
设计完成结合预测模型与参数优化的海上风电机组偏航控制策略。算例结果表明
所提偏航控制策略能够通过优化偏航误差、偏航动作和时间提高偏航效率
可有效提升海上风电机组发电能效。
To address the issues of response lag and ineffective yaw adjustments in traditional yaw control systems under rapidly changing wind speed and direction
this study proposes a machine learning-based yaw control strategy for offshore wind turbines to further improve power generation efficiency. Firstly
the wind speed and direction measurement data are pre-processed using the averaging and variational mode decomposition (VMD) methods. The wind data is decomposed into high-frequency
mid-frequency
low-frequency
and residual components at different time scales. Based on the processed wind data
a self-attention-based convolutional neural network-long short-term memory (SA-CNN-LSTM) model is developed for ultra-short-term prediction of each frequency component and residual term
which constructs the wind prediction model. Furthermore
wind speed intervals based on turbine operating states are established and an optimal objective function is formulated. Then
the yaw control strategy integrating prediction models with parameters is optimized through the improved grey wolf optimizer (IGWO) and particle swarm optimization (PSO) algorithms. Results demonstrate that the proposed yaw control strategy enhances yaw efficiency by optimizing yaw errors
adjustment actions and timing
which improves the power generation efficiency of offshore wind turbines.
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