direct current control 中文意思是什麼

direct current control 解釋
直接電流控制
  • direct : adj 1 筆直的，一直線的；正面的。2 直接的。3 直截了當的，直率的，明白的。4 直系的，正統的。5 【語...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  • control : n 1 支配，管理，管制，統制，控制；監督。2 抑制（力）；壓制，節制，拘束；【農業】防治。3 檢查；核...
  1. According to whether the light intension is in the zone of ccd linear response we control the direct current dynamo to drive the light filter to reduce the measure err effectively

    根據光強是否在ccd線性響應區間這一結果來控制電機帶動濾光片轉動，實現了對光強的自動調節，從而減小測量誤差。
  2. Isc - dcm idle speed control direct current motor

    怠速控制直流馬達
  3. Development of control technology of brushless direct current motor

    無刷直流電動機控制技術研究
  4. Novel close - loop speed control technique for brushless direct current motor

    新型無刷直流電機速度閉環控制技術
  5. Using the color sensor as the navigation sensor, with mcu for control centre, the robot is drived and change direction by the differ direct current motor

    用顏色傳感器作為導航傳感器，以單片機為控制器，直流電動機實現驅動和差動轉向。
  6. This paper presents the method of design and parameter optimizing in a phase - locked controller, which is used in high - speed brushless direct current motor ( bldcm ) speed control

    摘要提出一種用於高速無刷直流電動機鎖相速度控制器設計和參數優化方法。
  7. Direct current loop vector control system in induction motor

    異步電機直流環矢量控制系統
  8. Direct current servo control system of pwm based on tl

    直流伺服控制系統
  9. The current decouple control of direct current control strategy is selected as the control way

    確定了直接電流控制中的電流解耦控製作為本課題的控制方案。
  10. Step - forced dynamic speed drop analysis digital control, dual ring, direct current and reversible speed governing system

    數控雙環直流可逆調速系統階躍擾動動態速降分析
  11. 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

    在電路設計中，作者介紹了直流電機的工作原理和數學模型、脈寬調制（ pwm ）控制原理、 h橋電路基本原理和h橋功率驅動電路的兩種控制模式，設計了驅動電路的總體結構，給出了電路的功能模塊，確定了設計的可行性，然後在子電路模塊中，重點分析設計了基準源電路、振蕩器電路、高端功率管柵驅動電路（電荷泵及自舉電路） 、低端功率管柵驅動電路和死區時間產生電路。
  12. Railway applications - rolling stock - combined testing - part 2 : chopper - fed direct current traction motors and their control

    鐵路設施.機車車輛.聯合試驗.第2部分:斬波器供電直流牽引電動機及其控制設備
  13. T. s. for measurement control system for heavy direct current

    直流大電流測量過程式控制制技術規范
  14. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。
  15. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。
  16. Generally, drawing machine has four motors, two stepping motors control movement of pen and paper, and the other two direct current electric motors control the spools of giving paper and spooling paper

    服裝繪圖機主要包括四個電機：兩個步進電機分別控制筆和紙的運動，兩個直流電機分別控制給紙和退紙的卷軸。
  17. Realization of direct current control system based on embedded database of sqlite

    分數階控制系統穩定性分析
  18. Direct current control

    直接電流控制
  19. Method of voc includes indirect current control and direct current control, and their principles are introduced

    電壓矢量定向控制包括間接電流控制和直接電流控制，本文分別介紹了它們的原理。
  20. Because of the weakness of the direct current control technique, a new current control technique, the indirect current control technique, is presented. the control performance, modeling and choice of the control methods are discussed

    針對直接電流控制策略的不足，提出了間接電流控制並對其進行了控制性能分析、數學模型建立以及具體控制方法選擇方面的研究。
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