磁心計數器 的英文怎麼說

中文拼音 [cíxīnjìshǔqì]
磁心計數器 英文
magnetic core counter
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 計 : 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...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 計數 : count; tally; counting計數卡 numbered card
  1. Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment

    本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型；設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案；對電機採用何種驅動方式進行了對比分析；對驅動電路進行了元器件選型、原理圖設計、制板及調試；有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊；設計了以dsp為核心的控制電路原理圖；以模塊化的軟體編程思想編制了電機控制軟體；通過tms320lf2407目標板、上位機、驅動板及電機的聯調，證明了系統可行。
  2. To realize nolinear excitation controller, it must be improved that the disposal speed of nolinear excitation control " s signal. with analyzing and comparing all kinds of microcomputer excitation controller, a new microcomputer excitation control scheme is offered that is based on dsp controller while the cpld chip is utilized for realizing the function of pulse trigger. it is described in detail that the method of realizing controllable silicon digital logic by verilog hardware describe language and the designed digital pulse trigger " s veracity was validated by digital simulation

    論文進一步針對非線性勵磁控制要求信號處理速度高、信息量大的特點，在對目前微機勵磁控制器分析基礎上，提出採用dsp控制器晶元作為核心處理器的微機勵磁控制器的解決方案，運用復雜可編程邏輯器件cpld晶元實現可控硅同步脈沖觸發單元，並簡要說明了verilog硬體描述語言和數字脈沖形成邏輯的方法，通過電路數字模擬對所設計的數字觸發單元進行了驗證。
  3. In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm

    本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎，重新設計了以dsp為控制核心的控制系統，主要解決原系統存在的以下問題： （ 1 ） pc機既要實時控制數據的採集與發送，又要進行圖像的后處理，整個系統的實時性難以達到要求； （ 2 ）隨著spm功能的擴展，一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能，另一方面也意味著自動控制量的增加和數據處理量的增加； （ 3 ） 16位a d 、 d a都採用的是購買的板卡，也通過isa槽插在pc機內，成本高，不利於擴展； （ 4 ）另外，數字板通過isa槽插在pc機內，易受于擾，而且給安裝帶來不便。
  4. The conclusion is that inductive electromotive force, gotten from sensor with the distribution regularities of weighting function, is proportional to the average flow velocity in pipe and is not relevant to the distribution of flow velocity when flow velocity is non - central symmetry with the central axis. so electromagnetic flowmeter could solve the question of high accuracy in principles

    得出按權重函數分佈規律的傳感器，在流速非中心軸對稱分佈時，感應電勢僅與平均流速呈正比，而與流速分佈無關的結論，從而從原理上解決電磁流量計了高精度測量的問題。
  5. In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made

    論文對同步發電機的工作原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究，針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處，採用一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機，綜合了永磁發電機和電勵磁發電機的優點，提出一種磁路分開的結構進行電機本體的設計，並選用單片機80c31作為電壓調節器的控制核心，比例?積分?微分控制（ pid ）作為其控制演算法，從原理上較好地解決了其電壓的自動數字調節，並試制了一臺樣機。
  6. The observer makes use of motor parameters to estimate speed, but these parameters ( stator and rotor resistance, magnetizing inductance ) will vary because of the change of environmental temperature, iron loss and main flux saturation. so parameter variation will lead to the error of estimation, the purpose of this paper is to study the influence and the compensation of parameter variation

    因為觀測器在估計轉速時利用的是電機的額定參數，而電機的參數（定子電阻、轉子電阻、勵磁電感）由於環境溫度的變化、鐵心損耗和主磁飽和的影響將發生變化，所以必然有估計誤差產生。
  7. The pid control of output voltage feedback is easy to give attention to static and dynamic performance of the control system. output performance of inverter of ups is improved when rms of output voltage feedback is added to pid control system. the hardware and software is designed in order to achieve the digital pid control of inverter of ups

    設計了用於逆變器數字化控制的采樣調理電路，結合tms320f240的硬體資源，通過軟體實現了ups系統的緩起動和市電跟蹤，並改進了逆變器電壓瞬時值控制，通過引入輸出電流中心值檢測，對反饋電壓進行補償，解決了逆變器輸出的偏磁問題。
  8. 1. nizn ferrite was developed for using in mini high frequency dc - dc converters and inductors. we measured and analysed the parameters of the nizn ferrite, which we concern about when designing the dc - dc converter. 2. the low loss sample of nizn ferrite were chosen for design - optimization of the high frequency transformer. based on the relevant theoretical researches, the loss properties of the magnetic core material and winding were analyzed in this thesis

    因此，以nizn功率鐵氧體材料為開關電源芯材為基礎，並優化各種開關電源的設計已成為國際上的熱點和技術瓶頸，本論文正是以上述背景為研究目標而開展工作的，主要進行的工作和創新有: 1 .對研製的新型高頻低功耗的功率nizn材料進行參數的測試，並針對dc - dc變換器設計關心的參數對芯材特性進行了分析，選擇在特定頻率下，功耗較小的nizn材料磁芯樣品作為變壓器優化設計的預備磁芯。
  9. This paper presents reversible digital field regulator with dsp and igbt, which is substituted for current analogue field regulator with thyristors as power element

    本文提出以dsp和igbt為核心來設計數字式可逆勵磁調節器，以取代現有的以晶閘管為功率元件的模擬控制的勵磁調節器。
  10. Because of a large number of data processing to carry out, tms320c5402 dsp, electromagnetic ultrasonic transducer, oscillatory source circuit, receive signal disposal circuit, a / d, sram, flash memory and display circuit are selected to design the prototype of a machine of the real - time measurement system

    由於要進行大量的數據處理，硬體電路採用了ti公司的tms320c5402dsp作為核心處理器件，輔以電磁超聲換能器、激勵源電路、接收信號調理電路、 a d 、 sram 、 flashmemory及顯示電路，設計出實時檢測系統的樣機。
  11. Numerical calculation of the magnetic field in a power transformer core with the finite element method

    電力變壓器鐵心磁場的有限元數值計算
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