電位移通量 的英文怎麼說

中文拼音 [diànwèitōngliáng]
電位移通量 英文
displacement flux
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : 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
  • : 通量詞(用於動作)
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 通量 : [物理學] flux; shower
  1. This paper studies the inductive displacement transducer ’ s structure and its measuring principle, also studies the whole classical measurement system and analyzes its merits and drawbacks according to related experimental findings. to get rid of classical measurement system ’ s drawbacks such as low stability, narrow linear measuring range, etc. and improve measuring system ’ s performance index, this paper ’ s improves several key technologies in the high - accuracy measuring circuit

    本文研究了傳感器的結構、測機理以及其整個測系統的系統架構,並過試驗認真分析了傳統的傳感器精密測路的優缺點,結合本課題的研究需要和技術要求,對傳統傳感器測系統穩定不高,線性測范圍小等不足之處進行了改進。
  2. 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、能供給和消耗、驅動動作要求及驅動安全性與可控性,定方案等多方面考慮,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,利用體外的組合磁線圈產生加載流控制的驅動磁場,其中外部的磁線圈由多組梯度線圈和勻場線圈組合構成,過繞病床的旋轉以及病床的平共同控制微機器人所在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。
  3. One thick necks ’ thickness measuring instrument with high precise and high efficiency is researched in this dissertation. one special flexible hinge gauge head is designed, differential solenoid inductance displacement sensor is chosen and modern micro - processing technology is used to meet the demand of measuring accuracy

    本文過設計一種專用柔性鉸鏈測頭,採用差動式螺管型傳感器並結合現代微處理技術,對撓性接頭細頸厚度的高精度高效率測裝置進行了研究。
  4. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究傳感器與plc的訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  5. 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磁場強度、場以及描述磁場的坡印廷矢
  6. Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained

    在回顧雜交混合有限元理論的基礎上,從包括、應力、應變、勢、場強度六個未知的廣義壓材料能泛函出發,過約束場強度?勢關系、應力與應變及場強度的關系,得到僅包括勢、應力三個未知的雜交變分泛函,利用一般層合板的雜交混合變分原理,分離面內分和橫向分,導出以、橫向應力、勢為未知的壓層合板的修正變分泛函,作為壓層合板的雜交元列式的理論基礎。
  7. This paper researches basic principle of microwave digital phase shifter deeply, reviews different theories of all kinds of microwave digital phase shifter circuit, analyzes loaded - line phase shifter in detail and draws design curves according to formulas. and this paper presents a novel method, which makes use of modeling simulation that software - ansoft serenade 8. 7 provides to evaluate parameter values of pin diodes through s parameter measurement. then, a kind of 6 - bit digital phase shifter circuit is designed and simulated through software - ansoft serenade 8. 7

    本文對微波數字式相器的基本理論進行了較深入的研究;綜述了各種微波數字式相器路的工作原理,著重對加載線式相器路進行了理論分析,並根據計算公式作出一系列相應設計曲線;提出利用軟體ansoftserenade8 . 7所提供的測數據擬合功能,過測s參數來確定pin二極體等效路參數的新穎實驗方法;利用微波路設計軟體ansoftserenade8 . 7對6數字式相器路進行模擬、優化設計,做出樣品,並對其性能測試分析,對研製微波數字式相器具有重要的參考意義。
  8. The corrosion potential was the biggest and the corrosion current was the smallest one when the concentration of super - 3900 was 0. 5 % ; the corrosion potential was increased with the addition of mps - dl, but the smallest corrosion current is under 0. 01 % mps - dl. the rust time was the longest one when the concentration of super - 3900 was 0. 5 % as well as mps - dl was 0. 01 %. it was increased as a peak curve with al2o3 concentration in plating solution and ph value increased gradually with cathodic current density ; the corrosion weight

    過測tafel曲線可知,在super - 3900濃度為0 . 5 % (相對于鍍液的體積百分含)時獲得的鍍層腐蝕最正,腐蝕流密度最小;隨著鍍液中mps - dl含的增加,獲得的鍍層的腐蝕逐漸正,在濃度為0 . 01 % (相對于鍍液的體積百分含)時腐蝕流密度最小。
  9. During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers

    在氣門相中,採用光柵傳感器和光軸角編碼器,分別將發動機進、排氣門和曲軸旋轉的變化信號過采樣,輸入計算機,對三路信號加以比較找出氣門的相關系,從而為設計開發人員、品質控制人員提供可靠的測參數。
  10. Then a thorough analysis to the bias - magnetic of ppfc is made. the retraining effects of the main parameters ( include clamping capacitance c, output filter inductor lf, load r, the leakage inductor ls and source winding resistance r ) are studied under the conditions of different von, different ton and different winding parameters. then a conclusion can be drew, that the smaller lf and the bigger r are, the better the bias - magnetic is restrained and c has a best value to retrain the bias - magnetic

    分別對管壓降不同,導時間不同以及兩原邊繞組參數不一致(包括漏感、阻、激磁感三種情況)的情況下,主要參數(包括箝容c 、輸出濾波感lf 、負載r 、原邊繞組漏感ls 、原邊繞組阻r )對偏磁的抑制作用進行了模擬分析研究,得出lf越小, r越大時激磁磁勢偏ni越小, c在其他參數確定時對抑制偏磁有最優值等結論,為參數的優化設計提供了依據。
  11. A test device was designed which tested the properties of thrust according the theory of electromagnetism scale. using the hall - effect sensor to measure the scale displacement that could be converted the magnitude of the thrust

    根據磁天平的原理設計了一套微推力測試裝置,利用霍耳傳感器來測推力產生的,進而過計算轉換為推力器的推力大小。
  12. To realize the large stroke microfeed in this feed system, the microfeed system of closed - loop feedback control was adopted. the system is controlled by the 89c5 1 singlechip computer and combinely driven by the stepmotor and piezoelectric ceramic, the worktable ? position is measured by the raster position sensor

    為滿足進給系統能實現大行程的微進給的要求,系統採用了由89c51單片機控制,由步進機和壓陶瓷復合驅動,並過光柵傳感器進行檢測,從而形成閉環反饋控制的微進給方式。
  13. Through power transmission, prism refraction and beam shifting experiments, various electromagnetic characteristics, such as refractive index, loss and s parameters, and various shaped left - handed material samples could be measured and verified between each other. 2. the beam shifting experiment is designed and realized to further verify the lh properties

    過功率透射、棱鏡折射和波束三種實驗平臺,可以對多種形狀的異向介質材料的折射率、損耗等磁特性進行準確的測和相互驗證; 2 、提出了波束實驗以進一步驗證介質材料的特性。
  14. For gantry - moving type machining center servo system, in order to restrain the machine coupling influencing dual motors system, an adaptive decoupling control technology is first presented in this paper, and through feedforward decoupling ; the dual linear motors controller ' s parameters will be modified by the feedback. the synchronous control caused by the feedback resulting from the adaptive control law will keep synchronism with dual motors in position for realized synchrodrive

    針對龍門動式鏜銑加工中心伺服系統,為了克服因兩個龍門立柱運動狀態差異形成的機械耦合對雙機系統的影響,本文採用自適應解耦控制技術,先過前饋解耦,再經過自適應律產生的反饋作用來修改雙直線機控制器的參數,產生同步控制,使雙機在置上保持一致,從而實現了雙機的同步傳動。
  15. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳細的分析、比較,篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案,確定了準同步采樣的方案,並過對準同步采樣誤差的分析,提出了一種從45開始采樣,從而提高精度的采樣數據處理辦法,同時,對于流互感器相提出了一種補償辦法,接著對裝置中能質分析與統計以及無功補償中容器的補償、投切原則也作了相應分析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切容,不但提高了經濟運行水平、改善了能質,而且有效的避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置的硬體路並繪制了相應的軟體流程圖。
  16. This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges

    本系統過計算機控制步進機控制卡來給出步進機驅動器需要的脈沖信號和方向信號,進而帶動機驅動儀表指針轉動,計算機過串口實時採集光柵測系統的微信號,並且過高精度ccd攝像機實時獲取表盤圖像數據,同時過計算機軟體實現表盤圖像處理,包括預處理、灰度化、二值化、細化和hough變換等,最終快速識別出表盤指針的置,並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。
  17. In general, polycrystal or twin magnetostrictive materials are used as the drive unit in micro - displacement actuator. however, the displacement output of the actuator under low magnetic field is small and its precision is limited, as a result of motion restriction of magnetic domain walls by grain boundaries in polycrystal or twin magnetostrictve materials

    磁致伸縮是一種磁?機械耦合現象,以tb - dy - fe為代表的稀土超磁致伸縮材料,其伸縮為普陶瓷的30 - 50倍,響應時間低於10 . 6秒,是理想的致動材料。
  18. This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination

    本論文分析了目前常用比例閥的類型、功能、特性,並針對其不足提出新的改進方案,即:以流放大,反饋兩個原理為基礎,過對流閉環控制及壓力流復合的計算分析、確定上最小控制壓差及流控制范圍,確定主閥結構、功能特性研究等,提出了「流? ?負載壓力變化? ?修正」的控制原理和壓力流雙閉環控制原理,並進一步論述了利用一個比例控制器和一個「?機械轉換器」就可完成獨立的壓力或流控制功能以及流壓力復合控制功能。
  19. Secondly, against the problem that the linearity of inductive micrometer is poor in wide ranges, it compares with the usual methods of non - linearity compensation, and then determines the method used in the system based on the research of characteristic curve of sensor in detail. then, it gives the detailed designs of the embedded application software and the arithmetic of non - linearity compensation. finally, the paper deals with experimental data and analyses the experimental results, with a conclusion shows that the polynomial fitting is a useful method to solve non - linearity of inductive micrometer

    首先,針對傳感器數據處理大、實時要求性高的特點,確定採用嵌入式處理晶元pxa271作為處理器,並根據實際需要確定性能指標;然後,針對傳感器在大范圍內線性度差的問題,過對常用的非線性補償方法進行比較,在詳細研究傳感器特性曲線的基礎上,選用分段多項式擬合的方案進行補償;在此基礎上,對嵌入式應用軟體設計給出了詳細的設計流程和分析說明,最後,對設計的系統進行實驗和數據分析,處理的結果滿足設計的性能指標,說明分段多項式線性擬合的方法在解決感微傳感器非線性問題上是可行的。
  20. An auto - detecting method of the gauge with pointer that is based on digital image processing technique, high precision grating technique and step motor control technique is presented. there are advantages of high precision, high efficiency and auto - detecting for apply digital image processing technique to detect precision of the gauge with pointer ; moreover, it ’ s helpful to improve system ’ s resolution when high precision grating technique is applied to measure micro displacement ; also it makes system more automatic to control step motor in computer via step motor control card

    本文研究的指針式儀表的自動檢定方法是基於數字圖像處理技術、精密光柵測技術以及步進機控制技術的,將數字圖像處理技術用於指針式儀表的檢定,具有精度高、效率高、易於實現自動測等優點;另外,將精密光柵測技術用來測微,有利於提高系統的解析度;還有,過步進機控制卡來實現在計算機上對步進機的控制,提高了系統的自動化程度。
分享友人