磁模開關 的英文怎麼說

中文拼音 [címókāiguān]
磁模開關 英文
magnetic matrix switch
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 關 : Ⅰ動詞1 （使開著的物體合攏） close; shut 2 （圈起來） shut in; lock up 3 （倒閉; 歇業） close down...
  1. The idiographic measure which can improve emc of smps have been summarized

    對改善開關模式電源電磁兼容性的具體措施進行了綜述。
  2. And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor

    總線採用isa內部總線；介面主要有模擬量輸入介面、模擬量輸出介面、開關量輸入輸出介面等，課題分別選用pc - 6330d型a d板卡、基於isa總線的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡；另外，課題選用了微動式行程開關、壓力變送器作為傳感元件檢測系統，選用繼電器、電磁控制換向閥實現對氣缸、電機的控制；採用vc + + 6 . 0編制控制軟體，實現了纖維鋪放技術的計算機控制。
  3. Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )

    本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案，面對開關電源朝著輸出低電壓大電流方向發展的趨勢，提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。
  4. Those could provide theory foundation and reasonable equivalent magnetic circuit for the calculation and analysis. a method of determining main dimensions of the srm is given according to any speed - torque profiles, either

    這些工作為分析開關磁阻電動機的工作原理，建立合理的等效磁路模型提供了理論基礎和可靠依據。
  5. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  6. How to collect and dispose data is stated simply. with this base above, the real - time control and monitoring system is developed. and the computer control and panel control based mornitoring are realized. with using this system, the electromagnetic forming machine ' s operation parameters can be holded real - timely and output

    利用mcgs （ monitorandcontrolgeneratedsystem ）組態實現了plc和上位機的串口通信，在實現數據採集和處理功能的基礎上，開發了低電壓電磁成形機實時控制和監視系統，實現了電磁成形機面板開關、按鈕控制與上位機「模擬開關」控制兩種并行控制方法，系統可根據需要對加工參數進行保留和輸出。
  7. On the base of chaos inherent in the switched - mode power supply the idea is present to uses controlling parameters to change the state of the circuit to reduce emi level

    從開關模式電源電路中固有的混沌現象出發，提出了應用組合參數控制改變電路工作狀態降低電磁干擾水平的思路。
  8. Dissertation explains the theory and characteristices of switched reluctance motor based on its idealy linear math mode. analyseing and researching on control characteristic, control parameters, control strategy and their relationship, thesis designed hardware circuit and software of control system based on the strategy. dissertation discussed the transform function of system and illustrates it is essential to chang parameters in the pid control arithmetic, estimating parameters for the digital pid controller primarily, dissertation also researched on the exciting and protection of igbt

    論文以開關磁阻電動機的理想線性數學模型為理論基礎，對其原理特性進行了說明，對開關磁阻電動機的控制特性（轉速、轉矩） 、可控參數（導通角、關斷角、相電流、繞組端電壓）與控制策略（電流斬波、電壓斬波、角度位置控制等）及它們之間的關系進行了研究和分析。
  9. Flux position & error in flux magnitude and error in torque are used as fuzzy state variables. fuzzy logic is used for choosing the switching state. a fuzzy logic controller can choose the switching states according to a set of fuzzy rules based on both specialists " experience and knowledge, which improves the response performance of the system effectively during start - up and change in load

    作為本文的一個創新點，針對普通的直接轉矩控制在給定轉矩躍變時反應較慢的缺點，提出了一種模糊控制器，把磁鏈位置、磁鏈誤差和轉矩誤差作為模糊輸入變量，應用模糊邏輯來確定逆變器的開關狀態，該模糊控制器根據一套基於專家經驗和知識的模糊規則來選擇開關狀態，從而有效地提高了系統在啟動和負載突變時的響應速度。
  10. In this paper, the working principle of the interleaving two - transistor forward converter is analyzed in detail, and the waveforms of the switch drain - to - source voltage and transformer magnetizing current are researched in different duty cycle conditions. the simulation model is constructed and the simulation results verify the analysis

    本文分析了交錯並聯雙管正激變換器的工作原理，研究了在不同占空比條件下開關管的漏源電壓和變壓器勵磁電流波形，建立了模擬模型，模擬結果證明理論分析的正確性。
  11. Finally, in order to reduce the torque ripple of srm the fuzzy - control system is established in which the torque - sharing current function is controlled to reduce torque ripple. at last the simulation results are given

    最後針對開關磁阻電機轉矩脈動較大的缺點，建立模糊控制系統，通過對轉矩?電流函數的控制來減小轉矩脈動，取得了較好的效果。
  12. Magnetics is one of the main factors, which limit the power - density and characteristics of power module. for lowing weight and volume, reducing power loss and ripple current, improving dynamic performance, the magnetic - integration technique has been one of the research populations in power electronics. the thesis researches the magnetic - integration applied to the active - clamp forward converter so as to reduce the ripple current and improve its performance

    對于已經大量採用高頻軟開關技術的模塊電源，限制其功率密度進一步提高、性能進一步改善的重要因素之一是磁性元件，而磁集成技術由於具有可以減小磁件體積重量，減少磁件損耗，減小輸出電流脈動，改善輸出動態性能等優點，成為目前電力電子技術的研究熱點之一。
  13. A system with repmsm ( rare earth permanent magnet synchro - nous motor ) as executing motor is presented in this thesis. the hardware platform for the ac speed regulating system is based on tms320f240 dsp controller and uses ipm ( intelligent power model ) as the power device in the invert circuit

    系統選用正弦波永磁同步電動機為執行電機，以ti公司的tms320f240dsp晶元為控制核心，以智能功率模塊（ ipm ）為逆變電路功率開關器件，構成交流調速系統的硬體平臺。
  14. This control system adopts creditable plc for real control ; it sends many simulating signals collected by old sand temperature of inlet, suction opening temperature of double disk, inner sand temperature of double disk, current of mainframe and current of fan ; meanwhile, the operation signal and switching value signal outputted by material movement transducer is inputted to switching value module of plc ; it gets evidence of water feeding after cpu account ; the operation result of cpu is outputted by switching value of plc to control unlock combination of coarse, middle and thin water feeding electromagnetically operated valve and then gets different water feeding quantity

    該控制系統採用高可靠性的plc可編程序控制器進行實時控制，傳感器所採集的入口舊砂溫度雙盤抽風口溫度雙盤內砂溫主電機電流及鼓風機電流等模擬量信號直接輸入plc的模擬量採集模塊，同時加砂設備運轉信號及加砂設備物料移動檢測傳感器發出的開關量信號輸入plc的開關量模塊，由cpu獲取經運算而得到加水計算依據， cpu運算結果直接由plc的開關量輸出控制粗中細加水電磁閥的開啟組合，而得到不同的加水量。
  15. State - of - the - art products such as our magswitch with display and analogue output completely cover the technological requirements of numerous automation tasks

    象具有顯示器和模擬輸出的磁控開關那樣藝術級的產品可以完全滿足無數自動化作業中的技術需求。
  16. Now we are busy fitting and testing the asipp single - ion microbeam facility. the main work in this paper are as following : testing the performances of bend magnets and magnetic quadruple, simulating the course of beam - line transport, realizing the function of count of the number of radiated ions & control of the electronic beam shutter, calculating different voltage worked on the beam shutter of different beam - line, probing into some factors that may influence the controlling precision and providing some method to solve them

    本課題所做的工作主要是對偏轉磁鐵、磁四極場進行性能測試和對束線的傳輸進行模擬計算；編程實現離子記數和束開關的控制；計算出使用不同束線時束開關上所應該加上的電壓值，並且對可能影響控制精度的因素進行了一些探討，並提出相應的解決方案。
  17. With the software cadence, model establishment and parasitic parameter extraction are made on the main pcb lines of the proposed circuits. equivalent circuit models of common mode combined with differential mode current and noise simulation models are also established on full bridge switching - mode converters. study on the simulation of conducted interference noise is made with the software saber and the effects on the circuits " noise by the main parasitic parameters are also analyzed

    在對全橋開關型變換器電路工作原理分析的基礎上，建立了全橋開關型變換器主要元器件的電磁干擾參數模型，利用cadence軟體對其pcb主要印製導線進行了建模分析和寄生參數的提取，得到了全橋開關型變換器傳導干擾的共模、差模噪聲電流等效電路模型以及噪聲模擬模型，並運用saber軟體進行了傳導性干擾噪聲的模擬研究，分析了主要寄生參數對電路噪聲的影響。
  18. The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back

    勵磁電源結合步進電機原理與脈寬調制技術，選用智能功率模塊ipm作為逆變開關器件，輸出交流脈沖勵磁信號，以調節勵磁轉換頻率和勵磁電流大小為手段，實現對磁場旋轉頻率和磁場強度大小的有效調節，並通過閉環反饋實現閉環恆流控制。
  19. In research of controlling system about the switched reluctance motor system ( srd ), there are two prominent problems, one is that it is difficult to set up accurate mathematical model of srm due to serious nonlinearity caused by double - salient structure, the other is that the previous schemes of srd are always equipped with rotor position sensor, which determines the system ' s high speed performance, reliability and cost. as a result, how to detect the position of non - position sensor rotor has become one major direction in the study o f srd

    其中較為突出的問題是： 1 ）由於sr電機的雙凸極結構，電機模型具有嚴重的非線性，使得建立sr電機的數學模型非常困難； 2 ）轉子位置傳感器的存在影響了電機控制系統的高速性能、可靠性和成本，所以研究無位置傳感器轉子位置檢測技術（或間接位置檢測技術）是開關磁阻電機系統（ srd ）系統研究的重要課題之一。
  20. In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are calculated and controlled in the stationary coordinate, and the optimal pwm gating signals are generated to control the inverter to acquire high dynamic torque according to the output of the bang - bang regulators

    直接轉矩控制採用空間矢量的概念來分析三相異步交流電動機的數學模型和各物理量，直接在靜止坐標系下計算與控制交流電動機轉矩和磁鏈，藉助于離散的兩點式調節產生pwm信號，直接對逆變器的開關狀態進行最佳控制，以獲得轉矩的高動態性能。
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