Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN1007-3175

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永磁同步電機改進型超螺旋滑模觀測器的控制研究

來源:電工電氣發(fā)布時間:2024-08-30 14:30 瀏覽次數(shù):42

永磁同步電機改進型超螺旋滑模觀測器的控制研究

王雷,王育安,吳建昆,高亨
(河北科技大學 電氣工程學院,河北 石家莊 050018)
 
    摘 要:傳統(tǒng)滑模觀測器由于自身系統(tǒng)結構的開關特性,在電機控制中會引起大量的高頻抖振。提出了一種基于模糊控制的超螺旋滑模觀測器,考慮到永磁同步電機非線性耦合及復雜的數(shù)學模型,對超螺旋滑模觀測器進行設計改進,來提升系統(tǒng)的收斂速度和抗干擾能力。針對超螺旋滑模算法的上層邊界函數(shù)未知的情況,引入模糊控制來調整滑模增益,減少了系統(tǒng)的動態(tài)響應時間和觀測誤差。與傳統(tǒng)超螺旋滑模觀測器相比,仿真結果顯示提出的改進超螺旋滑模觀測器顯著降低了系統(tǒng)抖動,提高了觀測系統(tǒng)的穩(wěn)定性和精準度。
    關鍵詞: 永磁同步電機;高頻抖振;模糊控制;超螺旋滑模觀測器;無位置傳感器控制
    中圖分類號:TM341 ;TM351     文獻標識碼:A     文章編號:1007-3175(2024)08-0015-06
 
Research on Control of Improved Super-Spiral Sliding Mode Observer for
Permanent Magnet Synchronous Motor
 
WANG Lei, WANG Yu-an, WU Jian-kun, GAO Heng
(School of Electrical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China)
 
    Abstract: Due to the switching characteristics of its own system structure, the traditional sliding mold observer will cause a large number of high-frequency buffeting in the motor control. In this paper, a super-spiral sliding mode observer based on fuzzy control is proposed, and considering the nonlinear coupling of permanent magnet synchronous motor and complex mathematical model, design of the super-spiral sliding mode observer is improved to improve the convergence speed and anti-interference ability of the system. For the unknown situation of the upper boundary function of the super-spiral slide algorithm, the introduction of fuzzy control to adjust the sliding mold gain, reducing the dynamic response time and observation error of the system. Compared with the traditional super-spiral sliding mode observer, the simulation results show that the proposed improved super-spiral sliding mode observer significantly reduces the system jitter and improves the stability and accuracy of the observation system.
    Key words: permanent magnet synchronous motor; high-frequency buffeting; fuzzy control; super-spiral sliding mode observer; sensorless control
 
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