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基于模糊補償的MPC獨立變槳減載控制

來源：電工電氣發布時間：2025-07-24 15:24 瀏覽次數：73

基于模糊補償的MPC獨立變槳減載控制

張浩，張宇琪

(湖南工業大學交通與電氣工程學院，湖南株洲 412007)

摘要：為降低獨立變槳控制中的葉根載荷并保持輸出功率的穩定性，對風力機進行線性化處理，建立狀態空間方程，并將其轉換至 dq 坐標系。在此基礎上，構建適用于獨立變槳模型預測控制(MPC)的預測方程，并根據控制目標與約束條件對輸入輸出權重進行調整。為進一步降低 MPC 獨立變槳控制器的偏航彎矩和俯仰彎矩，設計了模糊補償減載控制器，對傳統模型預測控制算法中 dq 坐標系下的槳距角信號進行補償，從而進一步降低葉根載荷并提高了輸出功率的穩定性。通過 OpenFAST 與 Simulink 軟件的聯合仿真，結果表明，基于模糊補償的模型預測獨立變槳控制在功率穩定性和降載效果上優于基于 PI 控制和傳統模型預測控制的方法。

關鍵詞： 模糊補償；模型預測控制；獨立變槳；減載控制

中圖分類號：TK83 ；TM571 文獻標識碼：A 文章編號：1007-3175(2025)07-0029-08

MPC Independent Pitch and Load Reduction Control

Based on Fuzzy Compensation

ZHANG Hao, ZHANG Yu-qi

（School of Traffic and Electrical Engineering, Hunan University of Technology, Zhuzhou 412007, China）

Abstract: To reduce the blade root load in individual pitch control and maintain output power stability, this paper linearizes the wind turbine and establishes its state-space equations, which are then transformed into the dq coordinate system. On this basis, a prediction equation suitable for the model predictive control (MPC) of the independent pitch model is constructed, and the input and output weights are adjusted according to the control objective and constraint conditions. To further reduce the yaw bending moment and pitch bending moment of the MPC independent pitch controller, a fuzzy compensation load reduction controller was designed to compensate for the pitch angle signal in the dq coordinate system of the traditional MPC algorithm, thereby further reducing the blade root load and improves the stability of the output power. Through the joint simulation of OpenFAST and Simulink software, the results show that the model prediction independent pitch control based on fuzzy compensation is superior to the methods based on PI control and traditional model predictive control in terms of power stability and load reduction effect.

Key words: fuzzy compensation; model predictive control; independent pitch; load reduction control

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基于模糊補償的MPC獨立變槳減載控制