機用磁強計 的英文怎麼說
中文拼音 [jīyòngcíqiángjì]
機用磁強計
英文
airborne magnetometer-
Liquid this seal water gauge adopts integral to design mechanical intensity high, have waterproof antimagnetic running steady and reliable
該液封水表採用整體式設計機械強度高，具有防水、防磁、運行穩定可靠。Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively
高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外，與驅動電壓、驅動電路的設計密切相關，本文通過分析，首先開發出一種高低壓驅動電路，高壓電源是山升壓式dc - dc原理獲取的，低壓由蓄電池本身提供，實現高壓強激和低壓維持的功能，電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流，加誣了電磁閥的關閉速度；採用自舉吐路，降低了場效應管對驅動電壓的要求。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。A three layered magneto - electro - elastic half - space subjected to vertical mechanical loads, charge or magnetomotive force is analyzed as the numerical example, and the calculative results of two different stacking sequences are compared
以在垂直機械載荷或電載荷或磁感應強度作用下三層半無限壓電壓磁彈性體為算例，並比較了兩種不同材料疊放順序的計算結果。Shielding schemes of computer vdu are suggested through transient electromagnetic scattering analysis. method of time - domain integral equations is used here. a new soft - tempest method is found to strengthen protection capability of electromagnetic information leakage
用時域積分方程法，通過瞬態電磁場分析推薦了計算機顯示器的屏蔽方案，提出soft - tempest技術的新措施以加強信息電磁泄漏防護； 4Finally build the foundation to prepare the composites of structure and m - type ferrite with structure and function properties. the constituent phases, microstructure and crystal dimension and crystal coalescence, mechanical properties, magnetic properties of the composites were investigated by means of x - ray diffraction ( xrd ), scanning electron micrograp h ( sem ) and transmission electron micrograph ( tem ), mechanical testing instrument, vibrating sample magnetometer ( vsm ) respectively
採用xrd技術鑒定復合材料的物相，利用sem ， tem來分析srfe12o19及其復合材料的結構形貌，顆粒大小及結合情況，使用伺服材料實驗機、洛氏硬度計及振動樣品磁強計（ vsm ）測試了復合陶瓷的抗彎強度、硬度及其磁性能，並探討它們之間關系。The stresses and nonlinear deformations of thin strip - plate with two simply supported edges under the coupled action of the electromagnetic field arid mechanical load are calculated, the magneto - elastic effects on thin current - carrying strip - plate by the side current and electromagnetic induction density are studied
由此計算分析兩邊簡支條形薄板在電磁場和機械載荷耦合作用下的應力與變形，研究側向電流和外磁場強度對載流條形薄板的磁彈性效應。We think that the indirect exchange is in relation to the magnetic field, and gain the coefficient relevant to the applied field. the result calculated using the coefficient is in good agreement with the experimental result. that also further perfects the theory of the microscopic mechanism of leading to the anisotropy of ergag
研究認為間接交換作用的大小與外磁場的大小有關，得到了和外磁場有關的系數，由此計算的磁化強度特性曲線與實驗值符合情況有所改善，進一步完善了導致ergag磁性各向異性產生的微觀機制。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。Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly
但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。In chap. 2, the observational characteristics of the radio burst of the bastille event were discussed in detail. in chap. 3, we described the associated foundational theories with the model of a magnetic - mirror loop, consisting of the flux duct, the magnetic reconnection, the plasma wave, the wave - wave interaction and so on. then in chap. 4, using the model of magnetic - mirror loop to estimate quantitatively, we obtain the magnetic field strength, the number of solitons in a single fiber source, the volume of the source and the ducting parameters
對疊加於太陽射電型爆發上的精細結構，作出了觀測特徵分析，發現大多數纖維結構的觀測特徵在米波段和分米波段是相似的，由此提出它們可能源於相似的輻射機制，並採用磁鏡環模型，首次對分米波段的纖維結構進行分析計算，推算了纖維輻射源區磁場強度大小及輻射源的空間尺度，且相關物理參量的推算量級與其他人的研究工作結果是一致的，從而對該爆發源區的物理環境及過程有了進一步深入的認識。Incorporation of kone technology and its mms modular design, original kone full - computer intelligent control system, 32 - bit networking micro - computer control, professional group control for 8 elevators, absolute value memorization of cars displacement, all these configurations fully ensure our passenger elevators excellent performance and powerful function. elegant interior car decoration bringing comfortable riding can satisfy different occasion and individualistic customer demands. passenger elevators with geared machine perform well and reliably
引進通力技術，運用通力mms模塊化產品設計原裝進口全套通力全電腦智能型控制系統， 32位網路化微機控制8臺專家智能群控vvvf數字化變頻驅動轎廂位移絕對記憶，配置高端，性能卓越，功能強大能滿足不同場合和客戶不同偏好需要的轎廂裝潢與人機界面，精緻豪華，令乘坐舒適愜意傳統有電梯，經典可靠採用來自通力領先業界的永磁同步技術的小無機房電梯，節能環保，節省建築空間和造價。Yet, most existing high speed on / off valves use electromagnet as their electicity - mechanism conversion element, and good performant electromagnets have to be imported from other countries, in such situation, it is difficity to make excelent high speed electromagnet valve made in our country, even if we can make good performant high speed electromagnet valve in our country, it still has the shortcoming of not high enough respond speed, too small placket and big volumeo in this thesis, a new high speed on / off valve is developed based on two types of existing valves, this new valve has higher respond speed, a little big placket and little volume o for the new valve, several main task was made out as below : a ) several types of high speed on / off were first analyzed, then the basic performance of the actuator of the new valve was analyzed
高速開關閥是20世紀80年代發展起來的一種具有響應速度快、抗污染能力強、與電子電路配合好等特點的一個良好的動力放大元件。但是現有的高速開關閥基本上採用電磁鐵為電?機轉換元件，高性能的電磁鐵又基本為進口，難以滿足高性能高速開關閥國產化的要求，即使是高性能的電磁鐵式高速開關閥，仍存在著響應速度不夠大、開口過小、體積較大的缺點。本文在現有兩種高速開關閥的基礎上，設計了一種新穎的高速開關閥，在提高其動態性能的同時，增大了閥的開口，減小了閥的體積。The second is that the upper computer receives the data sending by the communication software to realize the intelligent detection of net structure. the functions include the displaying of the channels of the data acquisition, the displaying of the curve of the acquiring data, the online and offline data analysis, the saving of acquiring data file, the data file management of hard disk and the configuration file ; the third is that it realizes the time analysis, fft and hilbert by intermixing visual c + + 6. 0 with matlab, which has the strong ability with data analysis, signal processing and graphic displaying, data processing and plenty of tools boxes. it implements these functions including fft and hilbert w ithout using matlab again in the environment of visual c + + 6. 0
上位機監測軟體功能包括通道數據實時顯示、數據實時曲線生成並顯示、實時數據分析、離線數據分析、數據文件保存、磁盤數據文件管理及配置文件管理； （ 3 ）使用visualc + + 6 . 0語言作監測系統的實時數據分析的軟體設計，並結合matlab的強大的數值分析、矩陣運算、信號處理和圖形顯示功能及其強大的數據處理能力和豐富的工具箱使數據分析工具，脫離matlab環境，實現visualc + + 6 . 0和matlab混和編程，實現採集的數據實時以及離線時域分析、傅立葉分析和小波分析。The motor ' s magnetic field is analyzed with finite element method ( fem ) by ansys software. the emf and electro - magnetic torque are calculated with path method base on the air gap magnetic flux density ( b )
運用有限元分析軟體ansys對電機內部磁場進行模擬分析，得出電機內部磁場磁密及磁場強度分佈情況，在此基礎上運用路徑法對電樞反電動勢、電磁轉矩等電磁參數進行了分析計算。Intelligent magnetic field meter is a new intelligent magnetic field measure insurance instrument based on hail effect, which adopts single - chip microcomputer and digital potentiometer chip
摘要智能磁強計是在設計上採用單片機和數字電位器，替代傳統的機械電位器的基礎上，研發出的一種基於霍爾效應的新型智能化磁場強度測量儀器。It could provide high definition examination image of all body systems and organs, which is a safe, precise, reliable, woundless, high definition diagnosis of tumor and all kinds diseases. full digital computerized three - dimensional precise position system
Mr磁共振掃描主要利用強磁場和射頻脈沖的原理，藉助計算機技術，對人體各系統各臟器病變進行高清晰度影像學檢查，是一種安全準確可靠無創的先進診斷設備。分享友人