field coils 中文意思是什麼

field coils 解釋
勵磁線圈
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • coils : 鍍錫卷板, 卷帶馬口鐵
  1. Study on agnetic field of a circular current and helmholtz ' coils

    圓電流和亥姆霍茲線圈磁場的研究
  2. Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils

    其次,為全面了解這種新型電磁電機的電磁特性和動力特性,本文從電機磁場的基本方程及其邊界條件出發,應用無旋磁場的標量磁位概念,建立了端面搖擺式電磁微電機內部磁場的數學模型,並以此為基礎,詳細分析了電機氣隙磁場的各方面性質,對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。
  3. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體,利用體外的組合電磁線圈產生加載電流控制的驅動磁場,其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩,從而有效地完成驅動動作要求。
  4. Induced current electrical impedance tomography ( iceit ) is a new branch of electrical impedance tomography ( hit ). it applies several excitation coils on the boundary of the object. when one of the coils is stimulated by constant alternating current, the magnetic field is established

    感應電流電阻抗斷層成像( inducedcurrentelectricalimpedancetomography , iceit )是電阻抗斷層成像技術的一個分支,它在被測目標的外圍放置若干個激勵線圈,對其施加時變電流,在空間產生交變磁場,從而在被測目標內激勵出感應電流。
  5. Abstract : based on principle of minimal leakage magnetic field energy for current distribution of parallel coils in the primary side of transformer and also on finite element method, the method for calculating the current distribution of parallel coils in the primary side is studied and solved

    文摘:以變壓器一次各並聯線圈的電流分配一定滿足漏磁場能量最小原理為基礎,結合有限元方法研究了計算一次各並聯線圈電流分配的方法。
  6. After experimental investigation , its characteristics are evaluated and the conclusion of employing helical coils in heat pipe may expand the application field of heat pipe technology is drawn

    通過實驗研究對這種換熱裝置的特點作了評價,認為將螺旋管用於熱管可能拓展熱管技術的應用領域。
  7. In the past, two following respects that the study on magnetoelastic stability theory was main and centralized : first, setting - up and revision of the soft ferromagnetism plates buckling theory model ; second, represented by the tokamak thermonuclear current - carrying rector coil, the stability of current - carrying coils and poles under magnetic field has been studied

    以前,對磁彈性穩定性理論的研究主要集中以下兩方面:一、軟鐵磁性薄板屈曲理論模型的建立及修正;二、以tokamak核聚變反應堆環向磁場載流線圈為代表的對載流線圈及載流桿件的穩定性研究。
  8. Although zhugang can get rather more share in the drastic market competition thanks to the development of new varieties of hot rolled products and its advantages in the geographic field and relationship to the customers the market risk will become rather big if these 1. 8 million tons of hot rolled coils should be completely sold as finished products

    屆時珠鋼將具備年產180萬噸熱軋鋼卷的綜合生產能力。在激烈的市場競爭中,珠鋼依託開發熱軋新產品及地緣和人緣優勢,可以搶占較多市場份額,但是把180萬噸熱軋鋼卷全部銷售了,將會遇到較大的市場風險。
  9. The main research aspects are as follows : the method of ac transport losses measurement in ac applied magnetic field was investigated. upon the analysis of ac loss measurement, a method to measure ac transport losses in ac applied field was proposed by use of double " 8 " shape coils. a programme controlled system was set up to measure ac losses of hts tapes and coils, which can ensure the experiment data needed by theoretical analysis and verification

    主要包括:在實驗方面,探討了交流背景磁場下高溫超導帶材的交流傳輸損耗的測量問題,通過對交流損耗測量的理論分析,提出了採用雙「 8 」字形電勢引線測量交流背景磁場下高溫超導帶材交流傳輸損耗的方法;建立了超導帶材短樣及線圈交流損耗的電測量系統;從而為交流損耗的研究提供實驗數據與理論檢驗標準。
  10. The advantage of this method is that, the compensation loop is applied for eliminating the change of toroidal flux produced by the toroidal coils and the adjustable structure can be used to decrease the error signals come from the poloidal field

    該方法的優點是補償線圈有效地消除了縱場線圈產生的磁通變化,而調節機構能降低來自極向場的誤差信號。
  11. From the exact expression of the field, we obtain a multipole polynomial expansion, and under the paraxial condition we furthermore obtain the approximate expression. the loffe trap, consisting of two coils with parallel currents and four straight conductors with currents in alternating directions, is one of the most important traps. we specially study the field structure of it by using both the exact expression and a multipole polynomial expansion that facilitates studies of classical or quantum orbits. if the region near the origin is of interest, we may obtain a simple expression of the field and this configuration may be called idealized loffe trap

    若只討論阱中的近原點區域時,阱中的磁場可以呈現出一種簡潔的形式,人們把它稱為理想ioffe阱。磁矩反平行於磁場的中性粒子在阱中與磁場發生相互作用,藉助相互作用勢,可以獲得粒子在阱中的經典運動方程。在一定的近似條件下,我們可以採用逐次近似的方法,使方程簡化,其中三個分量式中關于z的方程比較容易求解,而關于x 、 y的方程則演化為我們熟悉的馬丟方程的形式。
  12. The current estimated normalized magnetic field direction, corrected for the fields generated by the torque coils

    目前經由修正轉矩線圈產生的磁場而估計到的正規化磁場方向。
  13. In this paper, the electromagnetic problems of the passive feedback coils that restrain the vertical displacement of plasma in fusion device is discussed and the induced currents on the passive feedback coils, the eddy currents magnetic field and the electrical parameters of coils are also analyzed

    本文研究了聚變裝置中用於抑制等離子體垂直位移的被動反饋線圈電磁問題,分析了被動反饋線圈感應電流分佈、渦流磁場及線圈電氣參數等問題。
  14. Considering that the ferrite core is often made from good permeable material, the dissertation presents the condition that the normal component of the magnetic field strength is zero approximately at the inside surface of good permeable material, i. e. bn = 0 to determine the eigenvalues for the separation constant. during the solving process, the solenoid coil is supposed to be wound closely by infinite symmetrical delta - coils

    考慮到磁芯通常是由導磁性能非常好的軟磁材料構成,本文提出利用靠近良導磁材料內側磁場強度法向分量近似為零,即b _ n 0 ,這一邊界條件,來確定邊值問題中的本徵值。
  15. The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out

    在求解過程中,假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成,首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場:以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域,由於場源放置在內邊界面上,使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程,利用分離變量法求解,根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數,從而得到各場區矢量磁位的表達式。
  16. By september 1887 tesla discovered that he could produce a rotating magnetic field by feeding two separate alternating currents into pairs of coils set on opposite sides of the stator [ see illustration on page 80 ]

    到了1887年,特士拉發現,他可以將兩道分開的交流電導入附在定子兩側的一對線圈,產生轉動的磁場(見100頁插圖) 。
  17. Abstract : the distribution of axial magnetic field around the centre of helmholtz " coils has been thoroughly analyzed, a numerical method for estimation of the homogeneity of coils " magnetic field had been found, and the homogeneity curve is given

    文摘:分析了亥姆霍茲線圈中心區域軸向磁場的分佈,找到了一種估計線圈磁場均勻區的計算方法,並給出了均勻區分佈曲線圖。
  18. In chapter 3, the modeling characteristic and actuality of micro - planer winding magnetic microactuators is reviewed. based on the basic principle of electromagnetic, the relation between the planer coils and magnet of the basic physical model is calculated. the difference of magnetic field generated by circle coil and rectangle coil is presented

    第三章、論述了微平面線圈磁致動器建模的特點和現狀;根據電磁場的基本理論,對基本物理模型的平面線圈和磁體之間的作用關系進行了推導;研究了圓形線圈和矩形線圈產生磁場的區別;提出並建立了圓形平面線圈的電場產生磁場以及對磁體作用力的數學模型。
  19. In chapter 2, gives a brief introduction to the basic theory of induction heating technique ; a mathematical modal is developed to describe the distribution of electromagnetic field and eddy current density in the long solid cylinder billet of induction heating. the general question of eddy current field calculation and the weakness of design theories for induction - heating coils that has won great popularity in engineering are pointed out

    第二章:介紹了感應加熱的基本原理,推導了感應加熱工件內電磁場與渦流分佈的理論公式,對感應加熱渦流場計算的一般問題、傳統感應加熱工程工程設計計算的不足以及電磁場數值計算方法作了介紹。
  20. On the basis of producing the mathematical model of calculating the induced currents on the passive feedback coils, the distribution and variation of the induced currents and the eddy currents magnetic field are given by numerical calculation. these conclusions are necessary to study the vertical unstability of plasma and design the coils

    在建立求解被動導電板感應電流數學模型的基礎上,通過數值計算,給出了感應電流的分佈和變化情況,同時對渦流磁場的分佈和變化也給出詳細的計算結果,這些結論對研究等離子體垂直不穩定性和線圈的設計是必需的。
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