【摘要】：作為將電能直接變換為直線運動的機構(gòu)，直線永磁同步電機不需要從旋轉(zhuǎn)運動到直線運動轉(zhuǎn)化的中間環(huán)節(jié)而實現(xiàn)對負(fù)載的直接驅(qū)動，具有定位精度高、響應(yīng)速度快等優(yōu)勢特點。因此直線永磁同步電機正在成為高檔數(shù)控機床的主要功能部件，在高精數(shù)控機床、光刻機、IC制造裝備等領(lǐng)域應(yīng)用十分廣泛。直線永磁同步電機電感的準(zhǔn)確程度對電機特性及性能的計算精度、數(shù)學(xué)模型的準(zhǔn)確度、運動控制系統(tǒng)的控制性能具有十分重要的影響，是研究其運行性能、驅(qū)動控制器設(shè)計的關(guān)鍵。為了解決傳統(tǒng)電感測試方法的缺陷和不足，本文對直線永磁同步電機的電感測試方法進行了研究。 首先，本文提出了一種直線永磁同步電機高精度電感測試方法，并對該方法進行了理論分析，提出了不同繞組連接方式的被測電機提出相應(yīng)的電感測試方案。為獲得直線永磁同步電機的仿真電感以便為測試結(jié)果提供參考，對被測樣機電感進行了3D分析。 其次，對直線永磁同步電機電感測試系統(tǒng)進行了整體結(jié)構(gòu)設(shè)計，對所需的實驗設(shè)備及器件進行選擇，設(shè)計了電感測試系統(tǒng)中的信號采樣電路和調(diào)理電路等硬件電路，并對自動測試系統(tǒng)進行軟件開發(fā)。 再次，應(yīng)用電感測試新方法對被測樣機進行參數(shù)測試實驗，并將實驗結(jié)果與有限元仿真進行對比，證明了測試新方法的正確性。對電感測試新方法及測試系統(tǒng)進行誤差分析，，證明了新方法的高精度性，并提出減小電感測試誤差的方法。 最后，通過新方法與傳統(tǒng)測試方法中的直流衰減法及有限元仿真的對比分析，通過實驗驗證，說明了電感測試新方法的優(yōu)越性。
[Abstract]:As a mechanism for converting electrical energy directly into linear motion, the linear permanent magnet synchronous motor does not need the intermediate link from rotating motion to linear motion to realize the direct driving of the load, which has the advantages of high positioning accuracy and fast response speed. Therefore, linear permanent magnet synchronous motor (LPM) is becoming the main functional component of high-grade NC machine tools. It is widely used in many fields such as high-precision NC machine tools, lithography machines, IC manufacturing equipment and so on. The accuracy of inductance of linear permanent magnet synchronous motor (PMSM) has a very important influence on the calculation accuracy of motor characteristics and performance, the accuracy of mathematical model and the control performance of motion control system. The key of driving controller design. In order to solve the defects and shortcomings of the traditional inductance test method, the inductance test method of linear permanent magnet synchronous motor is studied in this paper. Firstly, a high precision inductance test method for linear permanent magnet synchronous motor is proposed, and the method is theoretically analyzed, and the corresponding inductance test scheme is put forward for the tested motor with different winding connection modes. In order to obtain the emulation inductance of the linear permanent magnet synchronous motor (PMSM) so as to provide reference for the test results, the inductance of the prototype is analyzed in 3D. Secondly, the inductance test system of linear permanent magnet synchronous motor (PMSM) is designed. The necessary experimental equipment and devices are selected, and the signal sampling circuit and conditioning circuit are designed. And carry on the software development to the automatic test system. Thirdly, the new method of inductance testing is used to test the parameters of the prototype, and the experimental results are compared with the finite element simulation, which proves the correctness of the new method. The error analysis of the new inductance test method and the test system proves the high accuracy of the new method and puts forward a method to reduce the error of the inductance test. Finally, through the comparison and analysis of the new method with the DC attenuation method and the finite element simulation, the superiority of the new method is proved by experiment.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TM341

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