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基于誤差補償轉矩分配函數的SRM轉矩脈動抑制研究

來源：電工電氣發布時間：2025-08-22 14:22瀏覽次數：59

基于誤差補償轉矩分配函數的SRM轉矩脈動抑制研究

王雷，高亨，張晗廣，杜東明

(河北科技大學電氣工程學院，河北石家莊 050018)

摘要：開關磁阻電機(SRM)在應用過程中常伴隨較大的噪聲和轉矩脈動。為了解決該問題，將基于誤差補償的轉矩分配函數(TSF)與模型預測控制(MPC)相結合，來降低電機的轉矩脈動。通過速度控制器計算出參考轉矩，將其與轉矩估算信號進行對比，從而得到轉矩誤差，并利用該轉矩誤差對參考轉矩進行補償；基于電流、電壓以及轉子位置等參數，MPC 模塊對下一時刻的轉矩進行預測，通過將誤差補償的 TSF 與 MPC 控制相結合，利用代價函數選擇最佳的開關狀態，從而精確控制功率開關器件的導通與關斷。基于一臺三相開關磁阻電機構建了仿真模型，實驗結果對比表明，該方法顯著改善了電機的總轉矩脈動情況，有效降低了相電流的平均值，減少了電機的運行損耗，提高了電機的平穩和高效運行。

關鍵詞： 開關磁阻電機；誤差補償；轉矩分配函數；模型預測控制；轉矩脈動抑制

中圖分類號：TM352 文獻標識碼：A 文章編號：1007-3175(2025)08-0014-06

Research on SRM Torque Ripple Suppression Based on Error

Compensation Torque Sharing Function

WANG Lei, GAO Heng, ZHANG Han-guang, DU Dong-ming

（School of Electrical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China）

Abstract: Switched reluctance motor(SRM) is often accompanied by large noise and torque ripple in the process of application. To solve this problem, this parper combines error compensation-based torque sharing function(TSF) with model predictive control(MPC) to reduce the torque ripple of the motor. The reference torque is computed by the speed controller and compared with the estimated torque signal to derive the torque error, which is subsequently utilized for compensating the reference torque. Based on parameters such as current, voltage,and rotor position, the MPC module predicts the torque for the next moment. By combining error compensation TSF with MPC control and using a cost function to select the optimal switching state, it precisely controls the conduction and switching off of power switching devices.A simulation model is constructed based on a three-phase switched reluctance motor, and the comparison of experimental results show that this method not only significantly improves the total torque pulsation of the motor, but also effectively reduces the mean value of the phase current, reduces the operating loss of the motor, and further improves the smooth and efficient operation of the motor.

Key words: switched reluctance motor; error compensation; torque sharing function; model predictive control; torque ripple suppression

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基于誤差補償轉矩分配函數的SRM轉矩脈動抑制研究