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

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基于新型趨近律的PMSM無模型滑??刂蒲芯?/h3>
來源:電工電氣發(fā)布時間:2023-05-28 09:28 瀏覽次數(shù):325

基于新型趨近律的PMSM無模型滑??刂蒲芯?/strong>

張曉虎,王義乾,喬超杰
(湖南工業(yè)大學(xué) 電氣與信息工程學(xué)院,湖南 株洲 412007)
 
    摘 要:針對傳統(tǒng)建模方式下電機(jī)控制性能易受參數(shù)攝動影響的問題,提出一種改進(jìn)型無模型滑模控制方法。建立超局部模型降低控制系統(tǒng)對電機(jī)參數(shù)的依賴,并結(jié)合新型趨近律設(shè)計改進(jìn)型無模型滑模控制器,利用擴(kuò)展滑模擾動觀測器補(bǔ)償系統(tǒng)未知部分。實驗結(jié)果表明,該方法響應(yīng)速度更快,魯棒性更強(qiáng)。
    關(guān)鍵詞: 永磁同步電機(jī);新型趨近律;無模型滑??刂?/div>
    中圖分類號:TM341 ;TM571     文獻(xiàn)標(biāo)識碼:A     文章編號:1007-3175(2023)05-0001-06
 
Research on Model-Free Sliding Mode Control of
PMSM Based on the New Reaching Law
 
ZHANG Xiao-hu, WANG Yi-qian, QIAO Chao-jie
(College of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou 412007, China)
 
    Abstract: The motor control performance under the traditional modeling approach is susceptible to parameter variety, so an improved model-free sliding mode control method is proposed. It builds an ultra-local model to reduce dependence of the control system on motor parameters, designs an improved model-free sliding mode controller based on the new reaching law, and adopts an extended sliding mode disturbance observer to compensate the unknown part of the system. The experimental results show that this method is of faster response and stronger robustness.
    Key words: permanent magnet synchronous motor; new reaching law; model-free sliding mode control
 
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