磁位移 的英文怎麼說

中文拼音 [wèi]
磁位移 英文
magnetic displacement
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  1. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過分析發現電阻尼器線圈內由於轉子渦動時變化的場而產生的波動電流與轉子間的相差是產生阻尼的主要原因,推導了波動電流、阻尼系數的計算公式,並通過實驗展示了被動式電阻尼器的阻尼效應。
  2. The characteristics of geomagnetic low - value displacement anomalies statistically analyzed by using the geomagnetic z component data from hebei and neighboring provinces 17 observation stations

    利用河北及鄰省共17個臺站的地z分量資料,統計分析了地低點的異常特徵。
  3. This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to

    本文共分為五章:第一章緒論中,介紹了常見的傳感器,指出了霍爾傳感器的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電特性、零誤差、頻率特性以及這些參數常用的補償方法和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的測量原理,系統的實現方法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展方向。
  4. If can utilize hall ' s component to measure displacement under the condition of the simple magnetic field, increase the range of measuring ; it inertia little, merit that exposed to make it function in the measurement of vibration and in various kinds of displacement, become a kind of displacement sensor with fine performance. it can solve this difficulty to adopt the feedback servo mechanism

    若能在簡單場的條件下利用霍爾元件測量,增加測量范圍;它慣性小、非接觸的優點將使它在各種與振動的測量中發揮作用,成為一種性能優良的傳感器。採用反饋隨動機構可解決這個困難。
  5. Aberration of electronic lens made by electron gun and aberration of magnetic deflection system made by dy are comprehensively investigated, so is the shadow mask ' s effect on electron beam landing screen error. the conclusion can be get that, because the distribution of electron beam landing screen ( distribution of luminance ) is affected by many kinds of factors, it cannot get the correct function by calculation, and should be get by measurement instead

    全面分析了cpt電子槍發射系統形成的電子透鏡像差與偏轉系統形成的偏轉像差;分析了蔭罩的自身厚度與對電子束著屏的影響,並由此得出結論,著屏電子束分佈(即亮度分佈)受著許多因素的影響,理論分析是半定量的,著屏電子束分佈需要用精確的測量儀器來測量。
  6. The effect on display characteristic made by thermal deformations of the shadow mask is comprehensively investigated. by using the electron beam distribution automatic measurement system with a micro - deflective coil, a concave spot in luminance distribution can be get. it changes its position when the shadow mask changes its form

    本文系統全面地分析了傳統蔭罩的各類熱變形對顯示屏特性的影響,利用本文研製的電子束亮度分佈自動測試系統,附加一個微偏轉場,使相鄰兩電子束打在同一顏色的熒光粉條,並形成一個亮度凹點,當蔭罩變形時,凹點置作相應的,以此原理跟蹤測量凹點量,即可得到色純漂動態變化曲線。
  7. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據流變阻尼器特性和對懸架系統動力學特性的規律性研究,為流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略,基於「地棚」阻尼控制概念的流變阻尼線性連續控制策略, 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的流變阻尼混合控制策略,根據模糊控制原理設計了以簧載質量和非簧載質量間相對或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於流變阻尼半主動懸架的智能控制。
  8. Based on the basic relations of mechanics, electrics and magnetics, the governing equations which are expressed in term of displacements of ux, uy and uz, electric potential and magnetic potential are derived for transversely isotropic magnetoelectroelastic medium

    從橫觀各向同性電彈性力學運動方程、本構關系、電學和學方程出發,導出了用u _ x , u _ y , u _ z ,電勢和勢表示的電彈性介質的控制方程組。
  9. The magnetic field coupling between neighbors electromagnetic is analyzed by femm software and the solved. mathematical system and conrrol system of the pemb are established. voltaic stiff coefficient and displacement stiff coefficient are calculated

    建立了永偏置軸承的數學模型和控制模型,計算了其電流剛度系數和剛度系數。
  10. Because most of the components in ambs are of the nonlinear characteristics, the dynamics in ambs is very complicated. the electromagnetic force is a nonlinear function with respect to the displacement of the rotor and the controlling electric current

    主動式電軸承( ambs )被廣泛地應用於工業和航空航天工程中,但由於電控制力是被控對象的和控制電流的非線性函數,因而構成了一個非線性機電系統。
  11. By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved

    由於流體具有較大的導率,可提高力矩馬達路效率、增大力矩馬達的輸出力矩和,從而增加伺服閥的輸出流量;同時,利用流體的粘度特性,可增強力矩馬達阻尼及抗干擾能力,從而增強伺服閥及伺服控制系統的穩定性。
  12. Magnetic grating displacement transducer

    柵式傳感器
  13. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙場一維解,研究了單層繞組場,奇數極半填槽雙層繞組在採用整距和短距時場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  14. It indicates that these materials are optimum cadidate for application. the magnetostriction of terfenol - d was calculated based on the model of magnetic domain turning and the model of magnetic domain wall motion respectively. the experiment value is consistent with that of calculation in low magnetic fields

    應用疇轉動模型和疇壁模型計算了terfenol - d的致伸縮,計算結果表明在低場下,應用疇壁模型得到的計算結果與實驗結果符合較好。
  15. But can keep even gradient magnetic field range strong, hall ' s component can only measurement displacement among a small circle ( usually only about 1mm )

    然而,能保持均勻梯度場的范圍不大,霍爾元件只能小范圍(通常僅約1mm )的測量
  16. As a new type of functional material which has been developed in recent years, rare earth - iron giant magnetostrictive materials has many advantages, such as large magnetostriction strain, high coupling coefficient, quick response, high energy density and so on, which make it have good application future in fields of precision driving and microdisplacement based on the new type of functional material, this paper uses new principles and approaches to study this kind of microdisplacement actuator and its precision driving system

    稀土鐵系超致伸縮材料就是近年來發展起來的?種新型的功能材料,具有致伸縮應變大、機耦合系數高、響應速度快、能量密度高等優點,已在精密驅動及微執行器等領域顯示出良好的應用前景。本論文以這種新型的功能材料為基礎,以基於該類材料的微執行器及其精密驅動系統為研究對象,並採用一些新的原理和方法,為新型、高性能微執行器及其精密驅動系統的研究提供一個新的途徑與思路。
  17. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永極二維氣隙場的解析公式(集中電流法、分佈電流法) ,同時介紹了兩種永電機氣隙場計算方法(荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培定律推導出空芯動圈式直線永同步電動機的靜推力計算公式,分析靜態力?特性; ( 3 )建立空芯動圈式直線永同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電力、速度、的變化情況。
  18. The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement

    偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流,兩者產生的偏置場在控制線圈產生感應信號,檢測電路檢測控制線圈端電壓並提取含有轉子信息的電壓信號,該信號經半波整流電路和低通濾波電路后得到與轉子成正比例的直流信號,再由pid控制器轉換為轉子的控制信號,最後控制信號輸入功放電路產生控制電流,實現閉環控制。
  19. Maxwell ' s equations conserve certain properties ? the magnetic field intensity, the electric displacement field and the poynting vector that describes the electric flux of an electromagnetic field

    麥克斯韋方程中有某些特性是恆定不變的場強度、電場以及描述電場電通量的坡印廷矢量。
  20. Chapter three is concentrated on the accomplishment of the first part of the displacement sensor. include of light, mechanic, electronic and magnetic design

    第四章在光機電磁位移電流比較儀一次儀表設計基礎上,運用dsp2407 ,完成二次儀表部分軟硬體設計。
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