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中文摘要：
根据风力机的空气动力学特性,为使风力机在额定风速以上时其功率输出稳定在额定值,此时就需要对叶片进行变桨,而起作用的就是风力机的叶片变桨控制器。常用的变桨控制器为PI控制器加增益调度控制器,而PI参数和增益调度参数的选择对风力机的性能有着至关重要的影响。采用FAST软件与MATLAB/smulink软件对NREL提供的5MW风力机模型进行联合仿真,验证所设计的上述参数的合理性。仿真结果表明,所设计的PI参数以及增益调度参数能很好地满足风力机的运行需要。
英文摘要：
According to wind turbine aerodynamics, if the power output of wind turbines stays the rated value when it is running above rated wind speed, then need to pitch the blades using the blade pitch controller. Pitch controller is commonly used as a PI controller and a gain scheduling controller, and the PI and gain schedule parameters have a critical influence on the performance of wind turbines. A co-simulation is made to verify whether the designed parameters above is reasonable using the FAST and MATLAB/ SIMULINK software on the 5MW wind turbine model provided by NREL. The simulation results show that the designed PI and gain scheduling parameters can well meet the operational needs of wind turbines.
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