旋轉磁場法 的英文怎麼說
中文拼音 [xuánzhuǎncíchǎngfǎ]
旋轉磁場法
英文
rotational magnetic field method- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 轉 : 轉構詞成分。
- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 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...
- 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
- 磁場 : [物理學] (傳遞運動電荷或電流之間相互作用的物理場) magnetic field
-
The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的正交關系。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。Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly
用同步電動機實現步進傳動;將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場,使增量運動系統的容量和效率發展到一個新的水平,這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論,本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。Because the controller is easy to get the position of rotor by the encoder, we can continuously rotate the flux of the armature rotor by applying spwm method to the control system. the continuous rotation of the flux of armature make the output torque of motor has no ripple
由於通過編碼盤可以輕易獲得精確的電機轉子位置信號,故運用spwm調制方法可以使得無刷機的電樞磁場按照圓形軌道連續旋轉,從而實現輸出轉距無脈動。But difficulty in maths will come forth when meeting high spin particles if we using such method. on base of the characteristic of energy space, we obtained the wavefunctions and geometric phase by the trial function method in this paper. the berry phase of the system are also obtained after an evolution period
文中在絕熱近似下根據自旋粒子能級間隔特點用嘗試波函數法求出了旋轉磁場中高自旋粒子系統的波函數及幾何相位,解決了用一般方法求解時出現高階微分方程的困難。In this paper, the method of dividing circle rotating magnetic field into polygonal step magnetic field and the step orientation characteristic of space rotating vectors are researched
本文研究了由圓形旋轉磁場離散為多邊形步進磁場的離散方法和空間旋轉矢量的步進定位特性。Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate
在對損耗分析的基礎上,建立了考慮鐵損時異步電機的動態數學模型,推導出在同步旋轉坐標系下變速、變轉矩時使電機功率損耗最小的方法,並且結合矢量變換提出了基於快速轉子磁場定向的矢量控制。In this paper we discussed the evolution of two states system and geometric phase in a rotating magnetic field by using the method of coordinate transformation
本文用旋轉坐標繫系法對二能級系統的在旋轉磁場中的演化和幾何相進行了研究。Abstract : in this article, the optimization of surface crack detection of speed reducer gear was made using fuzzy set theory, the result show that the rotation magnetic field is the best way of surface crack detection and lots of extending surface fatigue cracks were found in practice
文摘:採用模糊集的貼近度計算對齒輪表面探傷方法進行了優化選擇,表明旋轉磁場探傷是齒輪表面探傷的最佳方法,在實用中檢測出大量的正在延伸擴展的表面疲勞裂紋。It is tested that the most proficiency method is using pulse - controlled magnet core to generate rotating magnetic field, in which the density and frequency of rotating field can be adjusted, the different form of rotating field can be easily achieved, and both magnetic pole and work piece need not rotate during the magnetic abrasive finishing process
實踐證明,最有效的方法是脈沖控制電磁線圈的方法產生。這種類型旋轉磁場的強度和磁場的旋轉頻率都可以得到調節,磁場的不同旋轉形式也很容易實現,而且在研磨加工過程中工件和磁極都無需旋轉。Owing to the complex shape and dimension, magnetic field computation can not be accomplished by analytical method, but by numerical computation
由於旋轉磁場具有復雜的形狀和尺寸,因而磁場的計算很難用解析法完成,而只能採用數值計算方法。The memory of data result is finished dynamically. the data base management system ( dbms ) is built. the software is validated by analytical method and ansys
最後,分別用解析法和ansys對軟體進行了驗證,並對一臺樣機的磁場旋轉進行了分析。There are many methods to generate rotating magnetic field
旋轉磁場有很多種產生方法。分享友人