磁阻計 的英文怎麼說

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磁阻計 英文
reluctance gauge
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  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位移間的相位差是產生尼的主要原因,推導了波動電流、尼系數的算公式,並通過實驗展示了被動式電尼器的尼效應。
  2. Taking the effect of big du. flers into account, we explain the volume - fraction dependence qualitatively by effective duster model. meanwhile, we enterpret phenomenonally the rnagnetoresistance dependence on ii 3 temperature in doped pervoskite manganite films

    顆粒集團的影響,改進有效介質理論,採用有效集團模型,可以對巨濃度效應恰當地定性解釋。
  3. Practical design for controller of switched reluctance motor drive

    一種實用的開關電機驅動控制器設
  4. We introduce the fabrication of all samples and anneal of fexcu ( 1 - x ) granular film in detail. the configuration of granule film is investigated by scanning tunneling microscope ( stm ). the matter phase is analyzed by x - ray diffraction ( xrd ). the hysteresis loop of co / al2o3 / feni magnetic tunnel junction is studied by vibrating sample magnetometer ( vsm ). we use microresistance test system ( mts ) to investigate the character of resistance, conductance, voltage and current

    用掃描電子顯微鏡( stm )觀察顆粒膜樣品的表面形貌;用x ?射線衍射儀( xrd )對顆粒膜樣品進行物相分析;用振動樣品( vsm )對co al _ 2o _ 3 feni隧道結的滯回線作了研究;用微電測試系統對樣品電、電導、電流、電壓相關特性進行詳細的研究。
  5. The damper is mounted on the free end of the rotor. the experiments done show that the oil whip can be good damped by the passive electromagnetic damper

    在理論算的基礎上還進行了實驗研究,在不停機的條件下,通過被動式電尼器成功地在線消除了系統的油膜振蕩。
  6. The simulation research of non - position sensor of the switched reluctant motor ( srm ) system have gained more attention since 1980 due to its flexible control method, compactness, robustness and good electric characteristics. both relevant research for theory and application in this field have made great progress. however because of relatively shorter time spent in this research and the complex nonlinearity of controlling system, a lot of problems still exist in further research

    近20年來,開關電機( switchedreluctancemotor ,簡稱srm )的研究在國內外取得了很大的發展,但作為一種新型調速驅動系統,研究的歷史還較短,其技術涉及到電機學、微電子、電力電子、控制理論等眾多學科領域,加之其復雜的非線性特性,導致研究的困難性,在電機理論、性能分析和設等方面都還不夠成熟、完善,存在大量的工作要做。
  7. Using piezoresistive accelerometers and magnetoresistance sensors measure the dynamic acceleration and geomagnetic field and through avr mcu software to calculate the attitude angular and azimuth. the fact of affecting the module is discussed in detail in this report and put forward the resolving scheme of key technology of digital filter, linear compensation, temperature compensation and magnetic field adjustment. the digital module has advantages of small size, light weight, low conception, high accuracy, all solid state and high reliability

    本課題採用壓式加速度傳感器分別測量重力加速度和地場,通過avrmcu軟體解算出姿態角和方位角,課題詳細分析了影響模塊性能指標的因素,就數字濾波、線性補償、溫度補償、場修正等關鍵的技術問題提出了可行的解決方案,研製的數字化模塊具有體積小、重量輕、低功耗、精度高、全固態、高可靠等特點,所有性能指標均滿足設要求,為姿態角測量提供了有效的手段。
  8. Considering the above control strategies which make the controller can not be real - time processing because its workload has increased, control circuits of the main switches based on eprom are designed, which can implement control scheme of firing angles and phase voltage. furthermore, it avoids power converter saturation in the process of commutation

    上述控制策略的引入造成控制器運算量增大、難以在線實時控制,又設了基於eprom的主開關器件通斷控制電路,實現了開關電動機開通關斷角控制及對施加於相繞組上電壓的優化控制,同時避免了換相時可能引起的功率變換器飽和現象。
  9. The other is supported by emerson network power co., ltd as an advanced research project. and this paper mainly introduces how to design and realize a four - quadrant running srd system to control a 3kw srm ( 8 / 6 poles ) based on a dsp ( tms320f240 ), which uses h - bridge power convertor and power - consumption braking method

    本文基於省重點科研項目「開關電機新型控制及其調速系統」和深圳emerosn網路能源公司預研部項目,分析討論了如何設實現一套以3kw的四相( 8 6極) srm為控制對象以dsp為控制核心採用h橋式功率變換器和能耗制動方式的四象限運行srd系統。
  10. The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage

    利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小角x射線散射( saxs )技術測量了薄膜的厚度;採用原子力顯微鏡( afm )觀察了薄膜的表面形貌;運用能量損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用振動樣品測量了不同cu - fe過飽和固溶體薄膜的性能;最後利用自製的性能測試設備測量了真空場熱處理前後不同薄膜的巨值。
  11. Design the good - working signal processing circuit of the sensor, including the signal collecting circuit of three output polars the coupling circuit using capacitance and resistance the alternating amplify processing circuit and the stabilization voltage supply circuit

    了性能良好的信號處理電路(包括銻化銦三端輸出型信號採集電路、容耦合型交流濾波放大電路和穩壓電源電路三個部分) 。
  12. Finally, based on the results of theory and simulation, a model of reluctance coil launcher is realized. it is proved that the new launcher overcomes the shortcomings of the traditional coil launcher whose discharge time is difficult to control and structure is complex. the excellent performance of the launcher is proved by the experiment data

    最後,根據理論分析和模擬結果,搭建了一種型線圈發射系統,實驗結果說明該發射系統克服了傳統型發射器放電時間難于控制和線圈結構復雜的缺點,實驗數據很好地驗證了新型發射器的理論設和模擬結果,為今後的學習積累了實驗數據和實踐經驗,為進一步的研究探索提供了指導。
  13. 2, design a structure makes the liner output higher to 160mv with a liner input about 150 in bridge of spin - valve gmr. in comparison of some typical mr angular sensors it ' s output make a great progress

    2 ,設了一種結構使自旋閥gmr晶元組成的橋路輸出電壓信號線性區達到約150 ,輸出幅度達到了160mv ;相比一些典型的非接觸式角度傳感器,量程獲得了可觀的擴展。
  14. 2. although calculating magnetic - flux leak coefficient and magnetic - reluctance coefficient is too complex to be done, combining magnetic force pump alnico ' s characters, appropriate accounting models are selected to calculate these coefficients through magnet conductivity methodology, the equation has been induced

    雖然漏系數和系數的算非常復雜,利用導法,結合力泵鋼排布特點,選擇適合力聯軸器特點的算模型,給出了漏系數的算公式。
  15. 5. the electromagnetic actuator is developed for the same purpose. it works with dc current and has a smaller volume

    5 .在被動式電尼器的基礎上,又進一步提出並設了電執行器。
  16. 4. based on the active magnetic bearing, the passive electromagnetic damper is designed, which works contactless and with dc current

    浙江大學博士學位論文4 .運用電軸承原理提出並設了被動式電尼器。
  17. 3. we systemically analyzed the relationship among the cpmd ' s structure parameters and fully considered the factors which possibly affect the feature of cpmd. the program of the structure optimization design of cpmd was also developed

    詳細分析了電尼器各個幾何參數,提出了一種實用的電尼器結構優化設方法,並給出了設程序。
  18. Finally, the wave equation of the electromagnetic field of this kind damper is derived from the maxwell ' s equation. the magnetic flux density at the boundary is assumed to be harmonic, so the analytical result of the wave equation is solved. when the rotor rotates, eddy currents flowing inside the conducting material field are caused

    最後,應用ahrens的電軸承簡化模型,從maxwell方程出發推導了應用於本文所述的被動式電尼器的波動方程,並用傅立葉級數把矩形場展開的諧變場作為場的邊界條件,通過求解波動方程得到場的解析解,從而算了尼器對轉子的電力和由渦流引起的切向力產生的尼器附加功耗。
  19. According to the relationship of the angle of the maximum torque and the q axis, the reluctance torque for salient pmsm is made full use of and the sator current amplitude is reduced by a large percentage, so that the system robustness is greatly increased. at the speed loop, this paper presents a single value model algorithmic control strategy which is the simplied form of normal model algorithmic control and has less computation work than the latter, so the real - time performance is very good

    對于嵌入式pmsm ,根據在電流幅值一定的條件下最大輸出轉矩與(為等效電流矢量和q軸之間的相位角)之間的關系,將轉矩轉換為輸出轉矩從而提高了輸出轉矩,改善了系統的控制性能;在速度環採用單步模型演算法控制,其算量比較少,提高了系統的實時性和魯棒性。
  20. The paper involved srm s maths model, velocity - control theory and feedback - signal - check technique. according to srd s main technical demand, srm s raw data and srm s control theory, the main system was divided into several modules. based on the modules, by selecting proper components and calculating right parameters, in parallel with the sample machine s experiments, the cotroller s design was completed and the system completely meet the demands

    根據開關電動機驅動系統的主要技術要求和開關電動機的原始數據以及控制理論,將2 . 2kwsr電動機控制器系統的設劃分為幾大功能模塊,進而通過系統元器件的選型和參數算,結合樣機試驗,完成了對2 . 2kwsr電動機控制器系統的設,並達到功能要求。
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