【摘要】：超環(huán)面機(jī)電傳動是一種集成行星傳動技術(shù)和蝸桿傳動技術(shù)的新型機(jī)電傳動方式,實現(xiàn)了動力裝置與減速機(jī)構(gòu)的結(jié)合,使得機(jī)電傳動技術(shù)得到更大的簡化。由于超環(huán)面機(jī)電傳動系統(tǒng)具有的特殊優(yōu)勢,在未來發(fā)展方向上具有很廣泛的應(yīng)用前景。本文從超環(huán)面機(jī)電傳動的結(jié)構(gòu)特點、中心蝸桿電磁場計算、行星輪磁場計算、環(huán)面外定子磁場計算等方面進(jìn)行了深入的研究。對中心蝸桿磁場進(jìn)行了數(shù)值解析計算與Maxwell有限元仿真分析,得到了蝸桿內(nèi)定子磁場的分布規(guī)律。根據(jù)電磁場基本定律和傳動結(jié)構(gòu)參數(shù)關(guān)系,完成了蝸桿內(nèi)定子磁場的數(shù)值解析計算。采用Maxwell有限元軟件對蝸桿內(nèi)定子磁場進(jìn)行了仿真分析,仿真結(jié)果證明了解析計算的正確性�；诘刃Т藕傻挠^點,完成了行星輪磁場的解析計算。建立了圓柱永磁齒的計算模型,推導(dǎo)出單個永磁齒的空間磁場表達(dá)式。采用齊次坐標(biāo)變換,得出了永磁齒的坐標(biāo)系和行星輪整體坐標(biāo)系之間的轉(zhuǎn)換矩陣。利用疊加原理,得到行星輪整體磁場表達(dá)式。建立了行星輪磁場有限元分析模型,得出了行星輪的磁通密度云圖及磁感應(yīng)強(qiáng)度矢量分布圖。對環(huán)面外定子的空間螺旋結(jié)構(gòu),先對單個永磁梁進(jìn)行磁場數(shù)值計算,再利用坐標(biāo)轉(zhuǎn)換及磁場疊加原理對整體環(huán)面外定子磁場進(jìn)行數(shù)值解析計算。采用有限元軟件對環(huán)面外定子進(jìn)行了建模及磁場仿真分析,得到了環(huán)面外定子的磁場分布規(guī)律,驗證了理論計算。利用超環(huán)面機(jī)電傳動系統(tǒng)樣機(jī)進(jìn)行了電磁感應(yīng)電勢實驗,驗證了磁場理論研究的正確性,為超環(huán)面機(jī)電傳動系統(tǒng)的實際應(yīng)用提供了理論指導(dǎo)。
[Abstract]:Ultra-toroidal electromechanical transmission is a new type of electromechanical transmission which integrates planetary transmission technology and worm transmission technology. It realizes the combination of power device and deceleration mechanism, which makes the electromechanical transmission technology more simplified. Because of the special advantages of the ultra-toroidal electromechanical transmission system, it has a wide application prospect in the future. In this paper, the structural characteristics of the ultra-toroidal electromechanical transmission, the calculation of electromagnetic field of the center worm, the magnetic field of the planetary wheel and the magnetic field of the stator outside the torus are studied in depth. The magnetic field of the central worm is analyzed by numerical analysis and Maxwell finite element simulation, and the distribution of the stator magnetic field in the worm is obtained. According to the basic law of electromagnetic field and the relation of transmission structure parameters, the numerical analysis of stator magnetic field in worm is completed. The finite element software Maxwell is used to simulate and analyze the stator magnetic field in worm, and the simulation results show that the analytical calculation is correct. Based on the viewpoint of equivalent magnetic charge, the analytical calculation of planetary gear magnetic field has been completed. The calculation model of cylindrical permanent magnetic teeth is established, and the expression of spatial magnetic field of single permanent magnetic tooth is deduced. The transformation matrix between the coordinate system of permanent magnet teeth and the global coordinate system of planetary gear is obtained by using homogeneous coordinate transformation. By using the superposition principle, the expression of the global magnetic field of the planetary gear is obtained. The finite element analysis model of planetary gear magnetic field was established, and the magnetic flux density cloud map and magnetic induction intensity vector distribution map of planetary gear were obtained. For the spatial helical structure of the outer stator, the magnetic field of a single permanent magnet beam is numerically calculated firstly, and then the magnetic field of the stator outside the torus is calculated by using coordinate transformation and magnetic field superposition principle. The finite element software is used to model and simulate the stator outside the toroidal surface. The distribution of the magnetic field of the stator is obtained and the theoretical calculation is verified. The electromagnetic induction potential experiment is carried out by using the prototype of the ultra-toroidal electromechanical transmission system, which verifies the correctness of the magnetic field theory and provides theoretical guidance for the practical application of the ultra-toroidal electromechanical transmission system.
【學(xué)位授予單位】：天津工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TH139

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