提升风电机组偏航系统在多工况场景下的动态性能至关重要。基于此,提出了一种基于强化学习的风电机组偏航系统模型预测控制策略,通过双延迟深度确定性策略梯度(TD3)算法实现多目标参数动态优化。首先,针对功率损失率和偏航执行器使用率2个相互矛盾的控制目标,建立偏航系统的多步模型预测控制器(yaw model predictive control
It is crucial to improve the dynamic performance of the yaw system of wind turbines in multiple operating scenarios. Therefore
a predictive control strategy for wind turbine yaw system model based on reinforcement learning is proposed
which achieves multi-objective parameter dynamic optimization through the dual-delay depth deterministic policy gradient(TD3) algorithm. Firstly
a multi-step model predictive controller for the yaw system(YMPC) is established to address the conflicting control objectives of power loss rate and yaw actuator utilization rate. Secondly
based on the optimization objectives and wind conditions of the yaw system
a dual-delay depth deterministic strategy gradient(TD3) intelligent agent is designed to determine the input state
action
and reward mechanism of the YMPC. The TD3 intelligent agent is then used to tune the weight coefficients and control step size of the YMPC. Finally
the effectiveness of this method was validated using typical daily data from wind farms in northern China. The results indicate that the proposed strategy significantly improves the overall performance of the yaw system compared with the YMPC with fixed control parameters.
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references
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