磁分選器 的英文怎麼說

中文拼音 [cífēnxuǎnqì]
磁分選器 英文
magnetic separator
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 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
  1. Andrin et fils s. a. deals among other things in dressing plants, metal separators as well as in help machines, magnetic separators and also in metal foundry equipment

    作為一家專業的供貨商為您提供高質量的分選設備，金屬切割機，輔助機器，磁選機，金屬鑄造車間裝置。
  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. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  4. The key parts of barretter are made of irf840 field - effect transistor, the magnetic ring and high frequency choking coil which adopting negative temperature index. such components can provide barretters a wide applicable voltage 160v - 250v. low power consumption, minor temperature rise, stable functions, long life - span

    鎮流器核心元件採用irf840場效應三極體，磁環及高頻扼流圈採用負溫系數，這樣的元件選擇使整流器適用電壓范圍寬160v - 250v ，功耗低，溫升小，性能十分穩定，確保其擁有很長的壽命。
  5. Our leading products are : ball mill, superfine agitating mill, vacuum plaster agitator, slip agitator, pressure - glazing tank, shower - dedust glazing booth, vibration sieve, leakage tester for water - closet, blast heater, rapid dispersion machine, magnetic separator, base - wipe machine, electric diaphragm pump and the vertical casting unit for medium and top grade of one - piece water - closet and close - coupled water closet, wash basin, pedestal, low level cistern and sink

    公司主導產品有球磨機、超細攪拌磨、真空石膏攪拌機、泥釉漿攪拌機、釉漿壓力罐、水浴噴釉廚、旋振篩、座便器漏水檢驗機、熱風爐、座便器彎管施釉機、高速分散機、磁選機、擦坯機、電動隔膜泵及生產中高檔衛生潔具的洗面器、分體座便、聯體座便、面具柱、低水箱洗滌槽等立澆成型機。
  6. At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor

    目前，用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統，這就導致了操作的不方便和出現了故障用戶不知道，降低了監控系統的可靠性，為此，我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細分析，找出各個伺服控制信號的控制變化規律；然後從中選出合適的控制信號；針對目前錄像機在實際監控使用過程中存在的問題，選用合適的元器件；運用protel繪圖軟體，設計了這個多臺業務用錄像機的統一控制系統，她主要包括以下功能：錄像機操作功能（如power play ff rew stop rec eject及正尋反尋帶速設定等）的統一線控控制功能；磁帶在記錄過程中，磁帶到頭和磁帶自己「偷停」的報警，並要能顯示出具體是哪一臺錄像機；在記錄狀態下，攝像頭輸入信號丟失報警，並要能顯示出具體是哪一臺錄像機；在休息或其他不需要記錄時，一旦警戒區有情況，則控制所有機器自動進入錄像狀態的功能；從錄像機輸出的監控圖像信號對監視器的切換功能。
  7. 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。
  8. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  9. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波，對勵磁涌流和內部故障電流進行小波分析，並設計微機型變壓器保護基本配置，在以往間斷角原理鑒別勵磁涌流的基礎上，突破傳統精確測量勵磁涌流間斷角的方法，直接對信號小波變換后的波形進行分析，建立一個新的鑒別勵磁涌流判據，該判據對硬體要求不高，可以在現有一般硬體平臺上實現；並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  10. Based on comparison of several motor candidates, doubly salient permanent magnet ( dspm ) motor is a good choice for it ’ s outstanding performance. similar to conventional drive system, dspm brushless dc motor ( dspm - bldcm ) is composed of dspm motor and it ’ s controller. the controller is made up of three - phase full - bridge inverter, driver, dsp control unit and etc. for high power system, every switch of three - phase inverter is actually made up of four mosfets in parallel

    在充分考慮國內外不同的液壓泵電動機的基礎上，本文選用了雙凸極永磁電機作為整個系統的電機本體，並配以電動機控制器（控制器包括三相橋式功率變換器、驅動電路、 dsp主控單元、電流采樣及預處理和位置采樣及預處理等主要部分）組成整個液壓泵電動機系統。
  11. 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。
  12. The structure of magnetic flux field concentrator directly determined the heating efficiency of the induction heating system. analysis and verify the effective of the concentrator, and set the size by the character of material

    本文對感應器和磁通集中器進行了設計和模擬分析，從理論上面分析並且驗證了磁通集中器的有效性，並且對感應集中器的選材和結構做了分析。
  13. In this paper, the dynamic characteristics associated with the high - speed maglev vehicle and guideway coupling system has been studied. two issues are discussed : one is the asymptotic stability of the system and the other is the coupling vibration characteristic. the basic relation between the control, structure and coupling parameters is studied emphatically to trace the rule of the vibration and to give help for the design of guideway, vehicle structures and controller

    本文選擇高速磁浮列車系統懸浮方向的車軌耦合動力學特性作為研究對象，分析車軌耦合動力學的兩個基本問題:系統漸近穩定性和車軌耦合振動特性，重點研究控制、結構和各種耦合參數與這兩項系統特性的關系，目的在於尋找車軌耦合振動的規律，為軌道、車輛結構和控制器設計提供參考。
  14. System functions of gsmb based on " godson " cpu was programmed by the discussion of " godson " cpu micro - system structure finalization and by the introduction of " godson " cpu performance requirements. this essay also specified on gsmb board level system structure, bios level solving and selection of important chips. moreover, problems related to high speed circuit design such as mensurability, pcb layout signal integrity, electromagnetic coexist were researched

    通過對「龍芯1號」 （ godson ） cpu微體系結構定型的討論和關于「龍芯1號」 cpu所需達到的的性能指標的介紹，規劃了基於「龍芯1號」 cpu的高速服務器主板gsmb的系統功能，並敘述了根據系統功能所設計的gsmb板級系統結構、 bios級解決方案和重要晶元的選型；另外還研究了高速電路設計所涉及的如可測試性、信號完整性、電磁兼容性等一系列問題，並依據研究構建了基於ibis的軟體模擬模型，同時藉助eda模擬分析工具對關鍵線網與關鍵模塊進行了板級模擬。
  15. The paper involved srm s maths model, velocity - control theory and feedback - signal - check technique. according to srd s main technical demand, srm s raw data and srm s control theory, the main system was divided into several modules. based on the modules, by selecting proper components and calculating right parameters, in parallel with the sample machine s experiments, the cotroller s design was completed and the system completely meet the demands

    根據開關磁阻電動機驅動系統的主要技術要求和開關磁阻電動機的原始數據以及控制理論，將2 . 2kwsr電動機控制器系統的設計劃分為幾大功能模塊，進而通過系統元器件的選型和參數計算，結合樣機試驗，完成了對2 . 2kwsr電動機控制器系統的設計，並達到功能要求。
  16. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。
  17. V. kla series have taken full consideration of the different functional demands. much space has been preserved. on the premise that the exterior look is ensured, other peripherals such ic card reader, magnetic card reader, small metal keyboard and micro printer can be installed

    Kla機型充分考慮到了多種功能的需求，在設計的同時預留了足夠的空間，在保持外觀完整的前提下，可以選裝ic卡讀寫器磁卡閱讀器金屬小鍵盤微型印表機等多種外設。
  18. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法，提高了電源利用率，降低了逆變電壓的諧波，改善了電機的運行特性，降低了對電網的污染；在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型，在模擬的基礎上，對傳統pid調節器進行了改進，提出轉速調節器和電流調節器採用分段pid結構，根據給定轉速所處的區間，自動選擇相應pid調節器的參數，拓寬了調速范圍，提高了控制精度。
  19. It combines two parts. sun workstations will be used as operator console. we are going to use mvme2431 in the magnet power supply system to run vxworks operating system

    上位機部分的操作員控制臺使用sun工作站，磁鐵電源系統的控制計算機選用mvme2431 ，它採用powerpc處理器，其上運行vxworks實時操作系統；下位機採用單片機進行控制。
  20. 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。
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