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

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一種改進(jìn)滑模控制器的永磁同步電機(jī)MTPA控制研究

來源：電工電氣發(fā)布時(shí)間：2021-02-23 09:23 瀏覽次數(shù)：858

一種改進(jìn)滑?？刂破鞯挠来磐诫姍C(jī)MTPA控制研究

林繼燦1，劉書敏2，林敏怡2
(1 廣東海洋大學(xué)寸金學(xué)院 智能制造學(xué)院，廣東 湛江 524094；2 廣東海洋大學(xué)寸金學(xué)院 管理學(xué)院，廣東 湛江 524094)
 
    摘 要：為改進(jìn)PI控制器在永磁同步電機(jī)中的速度調(diào)節(jié)性能，提出新冪指數(shù)趨近律的滑?？刂破鞯挠来烹姍C(jī)MTPA矢量控制策略，在傳統(tǒng)的指數(shù)趨近律中增加了新的冪次趨近律，提高系統(tǒng)的收斂能力，同時(shí)減小抖動。在永磁同步電機(jī)中引入補(bǔ)償式最大轉(zhuǎn)矩電流比的控制策略，根據(jù)電機(jī)中電流變換，得到控制過程中的轉(zhuǎn)矩，利用獲得的轉(zhuǎn)矩作為補(bǔ)償信號，提高q 軸電流的響應(yīng)。仿真結(jié)果表明，與常規(guī)的矢量控制方法和傳統(tǒng)滑?？刂破鲗Ρ?，該結(jié)合方法能有效減小系統(tǒng)抖動，具有更強(qiáng)的控制精準(zhǔn)性和抗負(fù)載轉(zhuǎn)矩?cái)_動能力。
    關(guān)鍵詞：冪次趨近律；滑模控制；最大轉(zhuǎn)矩電流比；轉(zhuǎn)矩補(bǔ)償；永磁同步電機(jī)
    中圖分類號：TM351     文獻(xiàn)標(biāo)識碼：A     文章編號：1007-3175(2021)02-0012-05
 
Research on MTPA Control of Permanent Magnet Synchronous Motor
Based on Improved Sliding Mode Controller
 
LIN Ji-can1, LIU Shu-min2, LIN Min-yi2
（1 School of Intelligent Manufacturing, Guangdong Ocean University Cunjin College, Zhanjiang 524094, China;
2 School of Management, Guangdong Ocean University Cunjin College, Zhanjiang 524094, China）
 
   Abstract: In order to improve the speed regulation performance of PI controller in permanent magnet synchronous motor, a new power exponential approach law sliding mode controller for permanent magnet motor MTPA vector control strategy is proposed. A new power approach law is added to the traditional exponential approach law to improve the convergence ability of the system and reduce the jitter.The control strategy of compensating maximum torque per ampere is introduced in the PMSM. According to the current transformation in the motor, the torque in the control process is obtained, and the obtained torque is used as the compensation signal to improve the response of q-axis current. The simulation results show that compared with the conventional vector control method and the traditional sliding mode controller, the combined method can effectively reduce the system jitter, and has stronger control accuracy and anti load torque disturbance ability.
    Key words: power approach law; sliding mode control; maximum torque per ampere; torque compensation; permanent magnet synchronous motor
 
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