【摘要】：兩自由度旋轉(zhuǎn)直線電機(jī)是一種無(wú)中間傳動(dòng)裝置的新型電機(jī),集旋轉(zhuǎn)電機(jī)、直線電機(jī)于一體,通過控制兩套三相繞組供電方式,可以實(shí)現(xiàn)電機(jī)的旋轉(zhuǎn)運(yùn)動(dòng)、直線運(yùn)動(dòng)以及兩者合成的螺旋運(yùn)動(dòng)。該電機(jī)具有材料利用率高、協(xié)同控制精度高、機(jī)械集成度高等優(yōu)點(diǎn),在工業(yè)領(lǐng)域應(yīng)用前景廣闊。將該電機(jī)應(yīng)用于飛輪儲(chǔ)能系統(tǒng),可實(shí)現(xiàn)電機(jī)的自懸浮功能,減小飛輪系統(tǒng)的體積,提高飛輪系統(tǒng)的功率密度。本文在分析現(xiàn)有旋轉(zhuǎn)直線電機(jī)結(jié)構(gòu)的基礎(chǔ)上,基于飛輪儲(chǔ)能用電機(jī)系統(tǒng)中存在的問題,對(duì)雙定子兩自由度旋轉(zhuǎn)直線電機(jī)的機(jī)械結(jié)構(gòu)、運(yùn)行機(jī)理、電磁耦合、軸向力以及樣機(jī)實(shí)驗(yàn)等方面進(jìn)行分析研究,研究?jī)?nèi)容如下:首先,針對(duì)現(xiàn)有的兩自由度旋轉(zhuǎn)直線電機(jī)的結(jié)構(gòu)和控制方式,對(duì)組合式和耦合式電機(jī)的結(jié)構(gòu)特征和運(yùn)行機(jī)理進(jìn)行分類比較。對(duì)新型的雙定子電機(jī)結(jié)構(gòu)進(jìn)行數(shù)學(xué)模型,理論解析其特殊結(jié)構(gòu)的氣隙磁場(chǎng),研究其實(shí)現(xiàn)旋轉(zhuǎn)直線兩自由度運(yùn)動(dòng)的運(yùn)行原理,研究該電機(jī)可行的機(jī)械結(jié)構(gòu)。其次,針對(duì)雙定子旋轉(zhuǎn)直線電機(jī)電磁耦合問題,建立三維有限元仿真模型,從轉(zhuǎn)子軛材料、轉(zhuǎn)子軛厚度及充磁方式等方面,對(duì)電機(jī)旋轉(zhuǎn)磁場(chǎng)與行波磁場(chǎng)的電磁耦合特性進(jìn)行研究,并根據(jù)研究結(jié)果給出抑制電磁耦合的方法,為雙定子兩自由度旋轉(zhuǎn)直線電機(jī)的設(shè)計(jì)提供依據(jù)。然后,針對(duì)兩自由度旋轉(zhuǎn)直線運(yùn)動(dòng)耦合問題,分析內(nèi)外電機(jī)結(jié)構(gòu)對(duì)軸向力波動(dòng)的影響。理論分析紋波、齒槽效應(yīng)、端部效應(yīng)對(duì)內(nèi)部直線電機(jī)推力波動(dòng)的影響,并研究有效抑制推力波動(dòng)的方法。分析外部旋轉(zhuǎn)電機(jī)不同定轉(zhuǎn)子長(zhǎng)度以及無(wú)鐵心結(jié)構(gòu)對(duì)軸向力波動(dòng)的影響,研究有效抑制軸向力波動(dòng)的電機(jī)結(jié)構(gòu),提高內(nèi)外電機(jī)協(xié)同運(yùn)動(dòng)精度。最后,研制雙定子兩自由度旋轉(zhuǎn)直線電機(jī)樣機(jī),分析樣機(jī)加工制作工藝,研究該類電機(jī)的測(cè)試方案,搭建兩自由度旋轉(zhuǎn)直線電機(jī)的實(shí)驗(yàn)測(cè)試系統(tǒng),對(duì)該樣機(jī)的外部旋轉(zhuǎn)電機(jī)和內(nèi)部直線電機(jī)主要性能參數(shù)進(jìn)行實(shí)驗(yàn)測(cè)試,為兩自由旋轉(zhuǎn)直線電機(jī)的進(jìn)一步研究分析奠定了理論和實(shí)驗(yàn)基礎(chǔ)。
[Abstract]:Two-degree-of-freedom rotating linear motor is a new type of motor without intermediate transmission device, which integrates rotating motor and linear motor in one. By controlling two sets of three-phase winding power supply mode, the rotating motion of motor can be realized. Linear motion and the spiral motion that combines the two. The motor has the advantages of high material utilization, high precision of cooperative control and high mechanical integration, so it has a wide application prospect in the field of industry. Applying the motor to the flywheel energy storage system, the self-suspension function of the motor can be realized, the volume of the flywheel system can be reduced, and the power density of the flywheel system can be improved. Based on the analysis of the existing rotating linear motor structure and the problems existing in the flywheel energy storage motor system, the mechanical structure, operation mechanism, electromagnetic coupling of the two-degree-of-freedom rotating linear motor with double stator are studied in this paper. The research contents are as follows: firstly, aiming at the structure and control mode of the two-degree-of-freedom rotating linear motor, the main contents of this paper are as follows: The structure characteristics and operation mechanism of the combined and coupled motors are classified and compared. The mathematical model of a new type of double stator motor is presented. The air gap magnetic field of its special structure is analyzed theoretically. The operating principle of the two degrees of freedom motion of the rotating linear motor is studied, and the feasible mechanical structure of the motor is studied. Secondly, aiming at the electromagnetic coupling problem of double stator rotating linear motor, a three-dimensional finite element simulation model is established, which includes the material of rotor yoke, the thickness of rotor yoke and the mode of magnetization. The electromagnetic coupling characteristics of rotating magnetic field and traveling wave magnetic field of motor are studied, and the method to restrain electromagnetic coupling is given according to the research results, which provides the basis for the design of two degrees of freedom rotating linear motor with double stator. Then, aiming at the coupling problem of two degrees of freedom rotating linear motion, the influence of internal and external motor structure on axial force fluctuation is analyzed. The effects of ripple, slotting effect and end effect on thrust fluctuation of internal linear motor are analyzed theoretically, and the effective methods to restrain thrust fluctuation are studied. The influence of different stator and rotor length of external rotating motor and non-core structure on axial force fluctuation is analyzed. The motor structure which can effectively restrain axial force fluctuation is studied and the precision of internal and external motor collaborative motion is improved. Finally, the prototype of two degrees of freedom rotating linear motor with double stator is developed, the manufacturing technology of the prototype is analyzed, the testing scheme of this kind of motor is studied, and the experimental testing system of two degrees of freedom rotating linear motor is built. The main performance parameters of the external rotating motor and the internal linear motor of the prototype are tested, which lays the theoretical and experimental foundation for the further research and analysis of the two free rotating linear motors.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TM351

【參考文獻(xiàn)】

相關(guān)期刊論文 前3條

1 鮑海靜;梁培鑫;柴鳳;;飛輪儲(chǔ)能用高速永磁同步電機(jī)技術(shù)綜述[J];微電機(jī);2014年02期

2 歐景;柴鳳;畢云龍;;旋轉(zhuǎn)-直線電機(jī)技術(shù)發(fā)展現(xiàn)狀分析[J];微電機(jī);2013年04期

3 劉偉亮;柴鳳;裴宇龍;程樹康;陳清泉;;錐形轉(zhuǎn)子永磁電機(jī)的結(jié)構(gòu)對(duì)性能參數(shù)的影響[J];電機(jī)與控制學(xué)報(bào);2012年05期

相關(guān)碩士學(xué)位論文 前2條

1 劉越;雙定子多自由度永磁同步電機(jī)研究[D];哈爾濱工業(yè)大學(xué);2015年

2 張義;直線永磁同步電機(jī)力特性測(cè)試技術(shù)研究[D];哈爾濱工業(yè)大學(xué);2014年

，

本文編號(hào)：2447264