磁偏轉器 的英文怎麼說
中文拼音 [cípiānzhuǎnqì]
磁偏轉器
英文
magnetic deflector-
Minute hardness testing systems, hardness meters vickers, rockwell, shore, metalloscopes, magnetic detectors, demagnetizers, metallographic inspection devices, surface roughness meters, electrical micrometers, air micrometers, mu meters, electrical converters, bore micrometers, cylindrical gauges, block gauges, eccentricity meters, precision bases, others
微小硬度系統硬度計維克斯洛氏邵氏金屬顯微鏡磁力探測機脫磁機金屬組織檢查裝置表面粗糙測定器電微型壓力機空氣微型壓力機微米表電轉換器鏜孔微型壓力機缸徑規塊規偏芯測定器精密加工臺等等。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磁偏轉系統形成的偏轉像差；分析了蔭罩的自身厚度與位移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。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，兩者產生的偏置磁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位移信息的電壓信號，該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號，再由pid控制器轉換為轉子位移的控制信號，最後控制信號輸入功放電路產生控制電流，實現閉環控制。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。The paper mainly focused on the beam transport part of asipp key laboratory of ion beam bioengineering and it ' s component elements, for example, van de graff accelerator, bending magnet, magnetic quadruple lenses, beam shutter, collimator and so on. the laboratory has performed the milestone achievement that is beam passed the hole of lo ^ m diameter in experiments. many experimental results are discussed by theories according to experiments
本文重點討論了中科院離子束生物工程學重點實驗室單粒子束裝置的束流傳輸部分，對主要部件進行了詳細的討論，如：靜電加速器、偏轉磁鐵、磁四極透鏡、束線開關、瞄準器等，實驗中已取得束流穿過10 m小孔的標志性成果，並運用相關理論結合具體實驗分析了實驗結果。The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics
採用霍爾元件作為缺陷漏磁檢測傳感器，獲得管道軸截面漏磁場切向分量的漏磁信號；研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法；分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性，研究了漏磁信號的小波去噪方法。Specification for harmonized system of quality assessment for electronic components - blank detail specification : mercury wetted change - over contact units, magnetically biased
電子元器件用質量評估協調體系規范.空白詳細規范:偏磁水銀浸潤轉換觸點裝置To improve the steady performance of the system, a fuzzy - pid combined controller is applied to the magnetic bearings system : applying fuzzy control in a large error range ; applying classical pid control in a small error range. the simulation results show that this kind of control strategy can make the rotor of the magnetic bearings stabilize in a large range
本文首先設計了基本模糊控制器，並用matlab進行了模擬研究，為了改善系統的穩態性能，本文提出採用模糊- pid復合控制器，在大偏差范圍內採用模糊控制，小偏差范圍內採用傳統pid控制，並進行了磁懸浮轉子起浮特性的模擬，模擬結果表明這種控制策略有利於使磁懸浮轉子在大范圍內穩定。Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results
利用退磁曲線法，推導磁力泵聯軸器能量通用公式，導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法，周向傳動轉矩計算方法，結合試驗結果，總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。Replacement and adjustment of bend magnet for varian 23ex accelerator
加速器偏轉磁鐵的更換和調整The magnetic suspension momentum wheel has better performance than the conventional ball bearing momentum wheel, and one gimbaling magnetic suspension momentum wheel whose rotation axis can be deflected can perform three axes attitude stability and control of spacecraft in high precision
採用磁懸浮軸承支撐的飛輪比傳統滾珠軸承飛輪有著更高的性能，而具有框架功能的單個轉軸可偏置磁懸浮飛輪就可以實現航天器的高精度三軸姿態穩定控制。Therefore, the transform of two operations is smooth and easy. on the other hand, the application of the space voltage vector can realize the maximum utilization of the bus dc voltage of the inverter
採用了改進積分器和新型的死區電壓補償等簡單且適用於直接轉矩控制的措施，以消除轉子初始位置偏差和死區效應對定子磁鏈估計的影響。分享友人