立轴风力机模型建立及性能仿真分析

Model Establishment and Performance Simulation Analysis of Vertical Axis Wind Turbine

为了最大程度的提高风能利用率,简化控制方式,提出采用机理分析方法建立立轴风力机组的非线性数学模型。针对此空间状态模型,提出一种新型的PID改进算法,立轴风力发电机组控制器采用该种神经网络控制策略控制发电机组的出力大小。实践证明,采用了改进型PID算法的立轴风力发电机控制器具有较强的非线性跟随能力和鲁棒性。

in order to maximize the utilization rate of wind energy and simplify the control mode, a nonlinear mathematical model of vertical shaft wind turbine is established by using the mechanism analysis method. Aiming at this spatial state model, a new improved PID algorithm is proposed. The vertical axis wind turbine generator controller adopts the neural network control strategy to control the output of the generator set. It is proved by practice that the vertical axis wind generator controller with improved PID algorithm has strong nonlinear following ability and robustness.