磁力懸浮法 的英文怎麼說
中文拼音 [cílìxuánfúfǎ]
磁力懸浮法
英文
magnetic suspension- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 浮 : Ⅰ動詞1 (漂在液體表面) float; drift 2 [方言] (在水裡游) swim Ⅱ形容詞1 (在表面上的) superfici...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 磁力 : [物理學] magnetic force; force on charge
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In this thesis, based on mathematic model and real condition, analysis and compare of different control methods are carried out at first. then a propriety control law and optimized parameters are choosen and used into multi - body model in simpack. finally, kinds of dynamic character curves after measurement and calculation are given
論文首先在數學建模的基礎上,根據實際情況,詳細分析對比了直接狀態反饋控制、 pid控制和狀態觀測器控制等常用的磁浮列車懸浮控制方法,然後將合適的控制規律及優化的控制參數用於simpack中的多體模型,通過計算,給出懸浮穩定性、運行平穩性以及列車曲線通過等動力學特性曲線。A new decoupling control strategy of magnetic suspension forces is put forward using the transformation of variables and reference frames for the proposed bearingless motor
利用混合式轉子無軸承電機的轉子特點,將磁懸浮力模型轉變為電流空間矢量方程,提出了一種新的磁懸浮力解耦控制方法。The experiment results show that the rotor can be suspended with dc when adopting motor ' s coiling method, which testifies the feasibility of integrative control by adding ac to windings coiled in this method, and lay out good foundations for further investigation
實驗結果表明,在電機繞線方式下能夠進行轉子的懸浮實驗,從而證明了採用電機繞線法進行動力磁軸承交流綜合控制實驗的可行性,為今後的深入研究工作打下了基礎。A new bearingless induction motor system with five degrees of freedom is developed including a bearingless induction motor and a permanent magnet biased axial - radial magnetic bearing. the control strategy of bearingless induction motor based on air - gap flux orientation is introduced, and the decentralization pid control is used to maintain equal air in the five degrees of freedom. the digital controller guarantees rotor suspension steadily, and the speed of rotor reaches 3000 rpm
闡述了無軸承異步電機的氣隙磁場定向控制策略,採用該非線性控制方法能使無軸承異步電機解耦成轉矩子系統和磁懸浮徑向力子系統,從而可以採用經典pid對這兩個獨立的子系統進行控制,首次實現了系統在0 3000rpm轉速范圍內的穩定懸浮。A novel method of electrostatic suspension was developed. this article briefly discusses the basic concept, schematic setup and optronic feedback system of the electrostatic suspension. when taking an aluminum plate and a compact disc ( cd ) as the suspended objects respectively, it is measured the electrostatic forces acting on the objects under different electrode voltages and different electrode - object gaps. the experimental results show that the electrostatic forces are sufficient to levitate both of the suspended objects, namely the electrostatic suspension method is practically feasible. compared to the conventional magnetic suspension, the significant characteristic of the electrostatic suspension is that it is capable of suspending most of the conductive and / or nonconductive, magnetic and / or nonmagnetic objects. therefore, this method can be widely applied to realize the electrostatic suspension and non - contact manipulation of the precision objects
本文提出光電反饋式靜電懸浮的新方法,簡要討論靜電懸浮的原理、裝置及其光電反饋控制過程.採用鋁片和cd光盤作為懸浮體,測定了不同靜電電壓和不同懸浮間距時的靜電懸浮力,揭示了它們之間的相互關系.結果顯示這兩種懸浮體均可獲得足夠的靜電懸浮力,證明了靜電懸浮的可行性.靜電懸浮方法的顯著特點是既適用於導電體與非導電體的懸浮,又適用於磁性體與非磁性體的懸浮,克服了傳統磁懸浮技術僅適用於磁性體的局限性,可廣泛應用於精密元器件的懸浮與非接觸無損操作4. magnet bearing and levitating technology are seldom used on magnetic force pumps, reducing sliding bearings " radial pressure is attempted, ways of calculating axial direction force are listed and summed in this paper, virtue and shortcoming of axial - magnetization ring and radial - magnetization ring are contrasted. 5
磁力軸承和懸浮技術在磁力泵上的應用鮮有報道,本文嘗試解決臥式磁力泵滑動軸承徑向受力問題,總結磁力泵軸向力計算的方法,比較軸向磁化和徑向磁化磁環排斥力和吸引力的優缺點。However flux leakage is really exist, calculation through formular analytic method has more error, so electromagnetic field analysis is made by using finite element method ( fem ) in ansys7. 1 / multiphysics and ansys / emag programs. typical quantities of interest in a magnetic analysis are available such as magnetic flux density, magnetic field intensity, magnetic forces, power loss and flux leakage in the system of magnetic levitation. then gain the current in the coil which control levitation gap when the stage is stable
由於存在漏磁,用公式的解析法計算有很大的誤差,因此本文採用有限元法( fem )來計算磁懸浮系統磁場分佈,從而計算磁力,通過用ansys7 . 1軟體進行有限元電磁場分析計算,得到平臺穩定懸浮時電磁線圈所需電流、懸浮氣隙等控制參數,由於設計的磁懸浮系統為非軸對稱結構,採用2d磁場分析有一定的誤差,而採用3d電磁場分析更接近實際。And flux distributions and radial force of an induction type bearingless motor is analyzed employing the finite element method. relationships between the radial force and radial force winding currents are influenced by magnetic saturation. it was shown that the generated radial force reaches its maximum value due to magnetic saturation
首次運用有限元方法對該電機進行了深入的研究,充分展現了無軸承異步電機特有的氣隙磁場分佈、驗證了穩定磁懸浮力產生的條件、指出了磁飽和對磁懸浮力的影響、利用有限元方法修正了磁懸浮力數學模型。A model of magnetic suspension forces is built by using 2d field - circuit coupling and analytical methods
分別用二維場?路耦合法和解析法建立了磁懸浮力模型。Secondly, the decoupling control methods of magnetic suspension forces and rotor displacement are discussed
其次,討論了無軸承電機的磁懸浮力解耦控制以及轉子位移控制方法。The main content of this thesis is to set up modularized simulation system structures which include active control sections of maglev. then research of the influence of dynamic characters through different control methods and different control parameters in suspension controlled system is carried out by simulating
論文的主要工作是建立含懸浮導向主動控制環節的模塊化模擬系統結構,研究懸浮導向系統控制方法與控制參數對磁浮列車動力學性能的影響。Suspending control is the key technology of the ems high - speed maglev train technology. there is a practical significant issue to do a thorough research on the suspending control algorithm to improve the anti - disturbance ability of the suspending system
懸浮控制技術是常導高速磁浮列車的關鍵技術之一,懸浮控制演算法對提高系統在各種情況下的抗干擾能力具有重要意義。Electromagnetic field distribution of radial magnetic bearings and axial magnetic bearings in magnetic levitated hard disk drive are analyzed and calculated through fea method and ansys software ; electromagnetic field is measured on radial magnetic bearing stator of magnetic levitated hard disk drive, the results of fea and measurement are compared, the basic principle of electromagnetic field distribution is concluded
使用有限元方法和ansys軟體對磁懸浮硬盤的徑向軸承、軸向軸承的電磁場分佈進行了分析和計算;以磁懸浮硬盤徑向軸承定子為對象進行了磁場測量,並將有限元計算結果和實測結果進行了比較和分析,得出了磁力軸承電磁場分佈的基本規律。The properties of different permanent magnetic bearings with both axial and radial magnetization are studied by mean of equivalent current and finite element method respectively. the levitation forces and stiffness have been calculated and agreed well with measured data
研究了採用軸向和徑向不同磁化方向的永磁環所構成的永磁磁懸浮軸承懸浮特性,分別運用等效電流法以及有限元法分析計算了磁懸浮力以及剛度特性。One downside of the integrated bearings is increased coupling between the radial and axial degrees of freedom. the analysis of coupling is done by method of an electric circuit analog of the integrated magnetic bearing. the basic equation of magnetic circuit and the equation of suspension force are derived when permanent magnet flux and electromagnetism flux simultaneity is effected
利用等效磁路法建立了該磁軸承的磁懸浮力數學模型,依據此數學模型分析了徑向和軸向磁懸浮力之間的非線性耦合關系,得出在轉子平衡位置附近,徑向和軸向懸浮力是解耦的結論,從而為控制帶來了極大的方便。The experimental results show that the proposed decoupling control principle, method of magnetic suspension forces and the bearingless motor with a hybrid rotor are correct and feasible
對所研製的混合式轉子無軸承電機樣機及其控制系統進行實驗研究,驗證了本文提出的磁懸浮力解耦控制的機理與控制方法和混合式轉子無軸承電機的可行性和合理性。分享友人