機電變換 的英文怎麼說

中文拼音 [jīdiànbiànhuàn]
機電變換 英文
electro-mechanical conversion
  • 機 : machineengine
  • 電 : 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...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 機電 : electromechanical機電設備 electromechanical equipment; electromechanical device
  1. 300 75 balun for fm and tv broadcast receiver

    調頻電視廣播接收機用300 75平衡-不平衡阻抗變換器
  2. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。
  3. In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement

    在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其採用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。
  4. For more information about electric motors, frequency changer or slip ring motors please call the company woelf

    在生產商和服務商woelf出色的網頁上可以找到價廉物美的頻率變換器，電動機，集電環（繞線）型轉子電動機、繞線轉子異步電動機。
  5. In the first part of the paper, the development of motor control system fault diagnosis theory is summarized. on the basis of the analysis of the characteristics of wavelet, the theory is discussed and the definition of the singularity is given. because of the localization property of wavelet transform, wavelet analysis can be used to detect the characteristics of the singularity from the signal and intermittence fault problems lying in the motor under test

    著重介紹了小波分析在電機控制系統故障診斷中的應用，根據小波理論在時域和頻域良好的局部化性質，討論了利用小波變換來檢測信號的奇異特徵的原理，給出了小波變換對信號奇異性特徵檢測的方法，針對實際應用，對小波基函數選取及小波分解尺度進行了探討。
  6. Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward

    文摘:在傅里葉變換輪廓術中，由於ccd探測器光電響應的非線性，將在測量中引入高次項，從而對相位的求解造成較大誤差，通過理論的推導定性地解釋了誤差的來由，並用計算機進行了模擬計算，最後提出了減小誤差的方法。
  7. The input signals pass through the prepositive circuit which transforming the measured signals ( voltage or current ) into small voltage signals, the signal adjust circuit consist of programmable - gain amplifier and filter, and digital signal processor tms320lf2407 for data acquisition and processing in turns. provide the measuring results on lcd module. and also can transfer data to the pc ’ s rs232 for farther analyse

    採用前置電路將被測信號（電壓或電流）變換為小電壓信號，經過信號調理電路對信號進行程式控制放大和濾波后，通過tms320lf2407實現信號的數據採集、信息處理和計算，將測量結果通過液晶模塊顯示，還可經過rs232介面與計算機進行數據傳輸，做進一步的分析和應用。
  8. In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform

    使用電子掃描顯微鏡（ sem ） 、激光掃描顯微鏡（ lsm ） 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析，運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究，應用matlab simulink語言對摩擦系統進行了振動動力學模擬，系統地研究了摩擦噪聲的形成機理。
  9. Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed

    通過理論分析、模擬分析和實驗驗證，得出這兩種旋轉變換器都能進行感應電能傳輸，但它們的傳輸功率是不同的，反激式旋轉換器最大隻能傳輸幾十瓦功率的感應電能，因此只能用在感應電能傳輸較小的場合，或者信號傳輸的場合;而全橋式旋轉變換器能傳輸較大的功率，可用於電機的新型無刷勵磁方案中。
  10. 2. machine will auto stop when the shute or weft opens, or weaving is done. it has higher output, quality than four shuttle circular looms. 3. controlled main equipment speed with frequency converter

    主機變頻調速，改善起動性能，縮短定機時間，減少疵布率，節約電能和方便速度變換
  11. We developed the power system of electric drill based on dc - ac. the system use the technique of spwm frequency cowersation control. it changed th d. c provided by trolly wire of d. c motor into stable a. c adopted igbt and driving circuit adopted high speed module of exb840

    針對當前我國煤礦電鉆電源的使用現狀，提出研製dc - ac變換的電鉆電源系統，該電源系統直接利用spwm變頻控制技術，將井下直流電機車的架空線所提供的直流電轉變成頻率是50hz的1 . 27v的穩定交流電。
  12. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上，採用一種新型雙向dc dc變換器的拓撲結構，把軟開關技術和移相控制pwm技術以及雙向dc dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件。
  13. The architectures of the receiver are rf pass band direct sampling and if pass - band sampling with high - speed analog to digital converter after rf to if conversion. the first kind of architectures is hard to realize because of the requisition of devices is too high

    軟體無線電接收機分為射頻直接帶通采樣和將射頻信號變換到中頻后再進行帶通采樣，前者實現較難，對器件的要求太高，然後進行各種數字處理。
  14. Torque ripple reduction in brushless dc motor drives using a buck converter

    變換器的無刷直流電機轉矩脈動抑制方法
  15. Laser - scanned measuring for the diameter system involved optics, laser, electronics, computer and mechanics etc, in the system, a visible laser is taken as its light source, the geometric parameter of the measured object is transformed into the electrical sighals by a scanning optical system and an opto - electronic transformation system, the measured result is given and displayed by the computer real time data processing

    激光掃描測徑儀系統是一種基於光學技術、現代激光、電子學、計算機、精密機械等多學科技術於一體在線檢測系統。它是用可見激光作為光源，把被測對象的幾何尺寸經過掃描光學系統和光電變換系統轉變成電信號，再由計算機進行實時數據處理，給出測量結果，並數字顯示。
  16. In the paper we expound the total structure design of the diameter measurement, the working rinciple and overall structure ofthe diameter measurement are introduced, the choose of optics principle, the special optical system which consist f lens, the design of fine mechanics system, and the choose of light to current inversion as well as computer control and data processing system

    本論文完成了測徑儀的總體方案設計，並對系統的工作原理和總體結構進行了論述。由f透鏡構成的特殊光學系統的確定，精密機械繫統結構的設計，光電變換及微機控制與數據處理系統的確定，最後對激光在線掃描檢測系統的精度進行了綜合分析。
  17. In general, most of recent wind power generation systems are connected to the local or global power grid via an electrical power conversion system, which mostly consists of two converters namely generator - side and grid - side converters

    一般來說，大多數最近開發的風力發電系統都是通過電能變換裝置與地區電網或者全國性電網相連。此種電能變換裝置包括發電機側變換器和電網側變換器。
  18. In the paper, we expound the total structure design of the measuring instrument, the choose of optics principium, the special optical system which consist of f lens, the design of servo control systemic, and the software and hardware design of light - to - current inversion and control of the servo, and the design of sqc statistical quality control and supervisory system. at last, the accurate of laser beam on - line measuring instrument has been analyzed

    本論文完成了檢測儀的總體方案設計，儀器工作原理的選擇，由f透鏡構成的特殊光學系統的確定，伺服機構和伺服控制系統的設計，光電變換及通訊系統的軟、硬體設計， sqc統計質量控制與管理系統的設計，最後對激光在線掃描檢測系統的精度進行了綜合分析。
  19. Laser - scanned on - line inspection system ( lois ) involving laser, optics, electronics, fine mechanics, opto - electronic transformation and computer etc, is used to realize high speed and accuracy, non - contact and on - line inspection for rotating body types of parts, in the system, a visible laser is taken as its light source, the geometric parameter of the measured object is transformed into the electrical signals by a scanning optical system and an opto - electronic transformation system, the measured result is given and displayed by the computer real - time data processing

    激光掃描在線檢測系統是一種基於激光技術、光學、電子學、精密機械、光電傳感技術及計算機等多學科技術於一體的高精度、高速度、非接觸在線檢測系統。它是用可見激光作為光源，把被測對象的幾何尺寸經過掃描光學系統和光電變換系統轉變成電信號，再由計算機進行實時數據處理。給出測量結果，並數字顯示。
  20. ( 4 ) only when the resistance r = l / c, the transition efficiency between electric energy and heat reach its maximum value, which makes it possible to design the high performance damping composites of multi - energy transitions by adjusting the vgcf content. cpe / zkf / vgcf composites : in the cpe / pzt / vgcf composites, the conversion efficiency from force to electricity is very low because of the obvious difference of rigidity between cpe and pzt, which leads to the damping effect of multi - energy transitions is not so evident as the viscoelasticity of the matrix cpe, especially during the cpe glass transition

    Cpe / zkf那gcf復合材料:針對cpe / pzt / vgcf復合材料中由於cpe和pzt之間模量差異較大，導致cpe和pzt之間的應力傳遞欠佳，影響力一電變換效率，從而壓電導電減振作用效果並不十分顯著的現象;本章中採用極性有機小分子雙（ 2一輕基- 3一環己基一5一甲基）一苯基]甲烷（ zkf ） ，而不採用pzt ，消除了pzt與cpe模量方面差異的影響。
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