驅體電流 的英文怎麼說

中文拼音 [diànliú]
驅體電流 英文
driving current
  • : 動詞1. (趕) drive (a horse, car, etc. ) 2. (快跑) run quickly 3. (趕走) expel; disperse
  • : 體構詞成分。
  • : 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...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. A white led driver circuit is presented in this paper. the circuit drives up to four white leds with regulated constant current for uniform intensity. by utilizing proprietary adaptive 1x / 1. 5x modes and ultra - low - dropout current regulators, it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range

    路以恆定動4隻白光led ,利用1倍/ 1 . 5倍分數型荷泵和低壓差調節器,在整個鋰池供壓范圍內保持最高的效率,並使四個白光led獲得均勻的亮度。
  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直線步進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;採用單片機軟降速控制策略解決直線步進機行程末端的機械沖擊問題;同時對主功率路、路和系統保護路進行了分析,完成了硬設計、製作和軟編程、調試,最後在混合式旋轉步進動機上進行了全面測試。
  3. That the earth has an iron - rich liquid core, sufficient energy to drive convection and a coriolis force to twist the convecting fluid are primary reasons why the geodynamo has sustained itself for billions of years

    地球擁有富含鐵的液態核心、有足夠的能量動對,並具有科氏力可使對扭轉,這些是地球發機之所以能自我維持數十億年的主要原因。
  4. Many planets ( for example, ganymede, mercury, the earth, jupiter and saturn ) and stars ( for example, the sun ) possess intrinsic magnetic fields. the explanation for their existence and variation remains a great challenge to planetary scientists and astrophysicists. this article attempts to review some recent developments and difficulties in the study of magnetohydrodynamics for the electrically conducting fluid interiors of planets and stars. it is the fluid motions, usually driven by thermal convection, that generate and sustain magnetic fields through magnetohydrodynamic processes in planets and stars. in planets, the magnetohydrodynamic processes are strongly affected by the combined and inseparable effects of rotation, magnetic fields and spherical geometry. the key dynamics involves the interaction between the coriolis and lorentz forces. in the sun, it is the solar tachocline, a thin shear flow layer located at the base of the convection envelope, that plays an essential role in the solar magnetohydrodynamic processes which produce the 11 - year sunspot cycle. some results of a new nonlinear three - dimensional solar dynamo model are also presented

    許多行星(如木衛三,水星,地球,木星和土星)和恆星(如太陽)具有內部磁場.對這些磁場的存在和變化的解釋對行星科學家和天物理學家是一個巨大的挑戰.本文試圖總結行星和恆星的導內部磁力學研究的新近發展和困難.一般由熱對動的動通過磁力學過程產生並維持在行星和恆星中的磁場.在行星中磁力學過程強烈地受到轉動,磁場和球幾何位型的綜合影響.其動力學的關鍵方面涉及科里奧利力和洛倫茲力間的相互作用.在太陽中其線,即處于對層的薄的剪切層在太陽的磁力學過程中扮演了一個基本的角色,並由之產生了11年的太陽黑子周期.本文也給出了一個新的非線性三維太陽發機模型
  5. Since a pentode presents a fairly constant current sink, trying to power it from a constant current source will be fairly unsuccessful, sort of like the unstoppable object hitting the immovable object

    因為五級管本身就表現得類似恆陷阱(意思是消耗恆定的) ,試圖用恆動五級管只會是個失敗,就好像試圖用一個停不下來的物去打擊一個不可移動的物
  6. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於動環境、能量供給和消耗、動動作要求及動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部動控制方法,並著重研究直接利用外磁場磁力動微機器人:在微機器人內部嵌入永磁性,利用外的組合磁線圈產生加載控制的動磁場,其中外部的磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁以獲得空間意義上的必要動力和調整轉矩,從而有效地完成動動作要求。
  7. Although many achievements have been acquired in oled structure material, production technology, drive methods, oled technology is just at the beginning, oled has given an equal chance for every company and country, and it is very important for our country to develop displaying technology of our own. the research direction of oled is managing to improve the device lifetime, at the same time found a perfect production technological flow and the global standard production mode. it is still a arduous mission that we want to live up to a batch production of oled displays in the future some years. active matrix organic light emitting diode ( am - oled ) adopts a circuit structure based on matrix addressing, and its driving circuit includes pixel driving circuit and peripheral driving circuit

    在文中,首先,分析和研究了有源oled的像素路,闡述了amoled顯示屏及其周邊路的結構和原理;其次,提出了qvga解析度的有源oled顯示屏列極數據引線的分塊( block )方法,確定屏上路所需要的控制信號之間時序關系和幅值要求;最後,以fpga控制器的設計為核心,對外圍控制ic進行了具設計,建立控制器路模塊模型和演算法程,通過quartus軟對其內部的各個路模塊進行綜合設計和模擬,得到了正確的模擬波形,完成了解析度為qvga ( 320 3 240 )的amoled專用路的設計。
  8. The hetrojunction device fabricated with sige material has shown great advantages over bulk sample in many aspects : higher carrier mobility, larger transconductance, stronger drive capability and hence faster circuit speed

    si器件相比,採用sige材料的異質結器件已經在許多方面顯示出了強大的優勢:譬如更大的載子遷移率,更大的跨導,更強的動能力以及更快的路速度等等。
  9. Strained - soi mosfet, which appears recently, takes both the advantages of soi ( silicon on insulator ) and sige ( silicon germanium ). it has shown advantages over bulk sample in enhanced carriers mobility, as well as higher transconductance, stronger drive capability and reduced parasitic capacitances. these properties make it a promising candidate for improving the performance of microelectronics devices

    Strained - soimosfet是最近幾年才出現的新型器件,它將soi材料和sige材料結合在一起,與傳統硅器件相比,表現出載子遷移率高、動能力強、跨導大、寄生效應小等優勢,特別適用於高性能、高速度、低功耗超大規模集成路。
  10. 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

    本論文闡述了方波動稀土永磁無刷直動機的原理及數學模型;設計並給出了一種動座椅用稀土永磁無刷直動機的磁設計方案;對機採用何種動方式進行了對比分析;對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為核心的控制路原理圖;以模塊化的軟編程思想編制了機控制軟;通過tms320lf2407目標板、上位機、動板及機的聯調,證明了系統可行。
  11. 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,實現了大信號的動輸出;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;採用了模塊化的軟設計方法,開發了裝置主機及探測器的軟程序。
  12. During the circuit design, the author analyzed the basic principle of the direct current motor, pwm control, h - bridge power driver, and two control techniques of h - bridge power drive circuit, designed its general structure, so the feasibility of the design is confirmed. then, reference, oscillator, power dmos gate drive circuit ( charge pump, bootstrap ), and dead time generation circuit are designed and analyzed in the sub - circuits. a current - controlled oscillator is presented in this thesis

    路設計中,作者介紹了直機的工作原理和數學模型、脈寬調制( pwm )控制原理、 h橋路基本原理和h橋功率路的兩種控制模式,設計了路的總結構,給出了路的功能模塊,確定了設計的可行性,然後在子路模塊中,重點分析設計了基準源路、振蕩器路、高端功率管柵路(荷泵及自舉路) 、低端功率管柵路和死區時間產生路。
  13. Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit

    分析了混合型有源濾波器的控制系統、諧波檢測方法及控制原理、數字低通濾波器和pwm信號的產生,在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源力濾波器硬原理圖。並對pwm路、采樣路、壓調整、按鍵輸入和保護路、通信模塊、液晶顯示模塊進行了較詳細的分析說明。
  14. 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動機的基礎上,本文選用了雙凸極永磁機作為整個系統的機本,並配以動機控制器(控制器包括三相橋式功率變換器、路、 dsp主控單元、采樣及預處理和位置采樣及預處理等主要部分)組成整個液壓泵動機系統。
  15. Lifepo4 / c composite sample synthesized using coal tar bitumen and carbon both as the carbon precursor under 300 / 3 h + 650 / 6 h also gives a good discharge curves, the discharge specific capacity reached 104. 0 mah / g 、 100. 2 mah / g under the measuring current of 183 ma / g 、 366 ma / g respectively, and it keeps the good cycle performance in nearly 140 cycles. few reports were related to the lifepo4 / c composite synthesized using low cost bitumen as the carbon precursor

    採用煤焦油瀝青和乙炔黑同時作為碳前時,在300 / 3h + 650 / 6h的焙燒制度下得到的試樣,在183 、 366ma / g的大密度下仍有104 . 0mah / g 、 100 . 2mah / g左右的放容量,在140次循環內均表現出了很好的循環性能。
  16. In addition, the system of ac vvvf speed regulation is reviewed and prospected, the basic principle of vvvf and the capacity of motor of the frequency converter are discussed, and the auto - solid storage in department ii in yuxi hongta group is introduced in the thesis

    本文對交變頻調速系統進行了回顧與展望,簡單論述了變頻調速的基本原理,同時描述了變頻器機的特性。介紹了玉溪紅塔集團生產二部自動化立倉庫,重點是對堆跺機提升系統控制策略進行分析研究。
  17. The piezoelectric - pump driven by piezoelectric - stack is a newly development trend, it can accommodate frequency and pressure in a large scale and control the output flux in precision. this pump will widely apply to transfusion, feed oil and clean the equipment in industrial automation, and scientific research, lab, chemical preparation and cooling of cpu etc. driven theory of piezoelectric - stack because the piezoelectric - stack is the core part of the pump that we designed, we should pay more attention to driven principle of the piezo - stack so that we can using it correctly. this paper introduces piezoelectric material and interrelated parameter, output characteristic and driven principle and driving type of piezoelectric - stack

    疊堆泵是一種以壓疊堆作為動元件的微型泵,它是隨著mems的發展而發展起來的。本文提出利用壓疊堆與柔性鉸鏈放大機構配合來動微型泵的橫隔膜,以達到泵送的目的。本文在查閱國內外大量文獻的基礎上,總結了國內外壓疊堆泵的研究現狀,分析了壓疊堆的動靜態特性,提出一種以壓疊堆作為動源的壓泵的構想。
  18. Semiconductor power convertors - adjustable speed electric drive systems - general requirements - rating specifications, particularly for d. c. motor drives

    半導源變換器.調速動系統.一般要求.直動機動額定值規范
  19. Then we studied the bmhmt method of soi mosfet and its merit : larger drive current which enables it to be the candidate of bjt in realizing bicmos circuits

    之後我們研究了soimosfet的bmhmt工作模式,同時介紹了這種工作模式的優點:大,可替代bicmos路中的三極晶管實現bicmos路。
  20. This system can be used to test the optical output power of sld automatically. firstly, the principle and characteristic of sld have been analyzed. the effect of sld ' s stability on ifog and the theory of thermoelectric cooler ( tec ) have also been discussed in this paper

    首先,本文分析了sld光源的原理和特性,並且介紹了的波動和溫度的變化對sld光源的影響,分析了光源的穩定性對光纖陀螺性能的影響和光源內部控溫器件半導製冷器的工作原理。
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