vector loop 中文意思是什麼

vector loop 解釋
向量環
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  • loop : n 1 (用線、帶等打成的)圈,環,匝,框,環孔,線圈;【醫學】(常 the loop)宮內避孕環。2 環狀物,...
  1. Direct current loop vector control system in induction motor

    異步電機直流環矢量控制系統
  2. This thesis make a study on vector - contorl wvf system of asynchronous motor. in the course of study, making use of the mathematical model of asynchomous motor in mt axes. then both open - loop control system and close - loop vector - control system are respectively simulated with simulation block simulink in matlab

    本文對異步電動機變頻調速系統進行了研究,利用異步電動機在二相同步旋轉mt坐標系下的數學模型,使用matlab中的模擬工具箱simulink分別對開環控制系統和閉環矢量控制變頻調速系統進行了模擬。
  3. Results the number of myocardial and brain and opioid receptors significantly increased, and they were significantly associated with the decreased hemodynamic parameters such as mean arterial pressure ( map ), left intraventricular systolic pressure ( lvsp ), the maximal rate of the change of intraventricular pressure ( dp / dtmax ) and the area of p - dp / dt vector loop ( lo )

    結果創傷失血性休克后,大鼠心臟和腦和阿片受體數目明顯升高,親和力無明顯變化,心臟和腦的和阿片受體數目升高與創傷失血性休克后大鼠血流動力學指標下降呈顯著負相關。
  4. This paper also use non - linear feedback decoupling theory to decouple die vector - control close - loop system into linear decoupling of rotor speed and rotor flux linkage subsystems. the speed regulator and flux linkage regulator of these two linear subsystems can be designed with classical linear theory

    本文同時還應用非線性反饋解耦理論將矢量控制的閉環系統分解為線性化的轉速子系統和轉子磁鏈子系統,兩個子系統中的速度調節器和磁鏈調節器可按線性理論設計。
  5. Based on the adaptive interference canceling theory and the concept of space vector, an adaptive fundamental positive / negative sequence component and harmonic component detecting method is developed. due to the close loop structure, this method has quite good robustness, and can meet the requirement of the asymmetrical control of hvdc - vsc well

    運用自適應干擾對消原理和空間矢量的概念,提出了一種基波正序分量、基波負序分量及諧波分量的自適應檢測方法,並進行了詳細的理論分析,為研究hvdc - vsc的不對稱運行控制奠定了基礎。
  6. The paper lucubrated the control theory of induction motor ' s vector transform and the method of calculating speed by induction motor ' s torque current weight, based on which, the paper designed a close - loop speed - sensorless vector control vwf system and realized the system in matlab / simulink

    本文深入研究了感應電動機矢量變換的控制理論和利用電動機轉矩電流分量進行速度推算的方法。在此基礎上設計了一個閉環的無速度傳感器矢量控制變頻調速系統。
  7. In this article, introduce the important meanings of a - b effect, first is a have physics factors, second is wave function phase factor is connected with geometrical factor in ( b = 0, a 0 ), through a - b effect, we know : electromagnetic field vector e, b is local quantity, electromagnetic potential a, is global quantity, adding a, description and by the way of loop integral, electromagnetic field " effect is completely descripted

    本文介紹了有重要歷史意義的a - b效應, a - b效應揭示了兩點物理觀念的變革:一是電磁矢勢有物理效應。二是在無場強但有磁矢勢( b = 0 , a 0 )的區域,波函數的相位因子與其運動空間結構有關。 a - b效應顯示; e 、 b是局域量, a 、是總體量,只有加入a 、之後的描述,並通過a的環路積分,才能對電磁場的作用做出完全準確的描述。
  8. Prototype of the symmetrical typical voltage space - vector of open - loop variable frequency speed system is designed by using the tms320f240 digital controller and the ipm ( intelligent power model ), with which had a exam on the motor and the experimental results are also given. from the results we can conclude that the results are according with the theory analysis

    利用ipm智能功率模塊,設計了採用基於tms320f240數字控制器的對稱空間電壓矢量的開環變頻調速系統的原理樣機,對電機進行了空載實驗,給出了它們的實驗結果,實驗結果和理論分析相一致。
  9. 2 ) basis of upon studies, we have also designed and sythesized the mutation ii of the cmiv that been greatly changed in the 3 " of the gene comparing with nature cmiv : the ht gf3 ( the third loop region of htgf2 specifically binding to egfr receptor ) was fused to 3 " of gene of cmiv through a flexible linker. the gene of the mutation ii of cmiv was sequenced and clonged to the vector of ptxfus to fuse to the 3 " of gene of thioredoxin

    二、在以上研究的基礎上,對cmiv抗菌肽的c端進行較大的改造,即將與腫瘤細胞過度表達的表皮生長因子受體( egfr )具有高親和性的因子多肽tgf _ 3通過疏水柔性接頭連接在抗菌肽cmiv的c端,設計完整的基因,並在大腸桿菌中利用ptxfus表達載體與硫氧還蛋白進行可溶性融合蛋白表達。
  10. The gpd3402 inverter and plc being selected to set up open - loop and closed - loop speed regulation systems, applying the invariable v / f control, sensorless vector control, slip compensation, process pi and network control technologies control the hoist motor of the stacker crane

    本文基於gpd3402變頻器的變頻調速方式進行應用開發,對堆跺機提升電機採用變頻調速控制,採用gpd3402變頻器及plc ,組建開環調速系統,分別應用恆壓頻比、無速度傳感器、矢量控制、轉差補償控制技術。
  11. A linear programming method of vector loop used in the analysis of mechanism motion and its error was introduced, the possibility of using the sensitivity of kinematic analysis for error was analyzed, and it was proposed for the error analysis model of the mechanism to make equivalent substitution for the dimensional error with basic kinematic joint element ( kinematic pair ) and as well to implement the linear programming method of vector loop for error analysis within the adams

    摘要介紹機構運動分析與誤差分析的向量環路線性規劃法,分析運用運動分析靈敏度進行誤差分析的可能性,提出在機構誤差分析模型中用基本運動連接元素(運動副)對尺寸誤差進行等價替換,使誤差分析向量環路線性規劃法在adams中實現。
  12. Based on the concept of space vector, an open loop detecting method for the fundamental negative and positive sequence components as well as the harmonic components is developed, which combining the conventional detecting method based on filters and the concept of space vector. this method can overcome the defaults of the conventional detecting method, and can meet the requirement of the asymmetrical control of hvdc - vsc

    基於空間矢量的概念,提出了一種開環的基波正序分量、基波負序分量及諧波分量的實時檢測方法,這種方法可以看作是空間矢量的概念與傳統的基於濾波器的諧波檢測方法的結合,它能夠克服原有的基於濾波器的檢測方法的不足,可用於hvdc - vsc的不對稱運行控制。
  13. Secondly, the main stuctures of the software and hardware parts of the control system are introduced. principles and realization of the main functional blocks of these two parts are illuminated. on the hardware of the system, parts of control circuit and the design and debugging of peripheral circuits are discussed thoroughly. based on the hardware circuit, the software is programmed with assembly language. dual close loop vector control weth feedback of speed and current are realized. the flow charts of main programme and pwm interrupt service routines are given. the important control strategies of vector control pmsm such as current sensint and scaling, speed sensing and scaling, bector co - ordinate transformation, generation of sine and cosine, pi regulators, svpwm vector modulation and so on are all accomplished in the pwm interrupt sevice routines. in order to unite all the variables in the programme, scaling is used

    硬體方面主要論述了控制電路各部分及外圍輔助電路的設計和調試。在硬體的基礎上,軟體採用匯編語言編程,實現了轉速和電流雙閉環矢量控制。給出了系統主程序和pwm下溢中斷處理程序流程圖, pmsm矢量控制的主要控制策略如電流采樣與定標、速度采樣與定標、矢量坐標變換、 sin和cos值生成、 pi調節、 svpwm波形生成等都是在pwm下溢中斷服務子程序中完成的。
  14. Regarding the discrete magnetic vector potential and loop currents as the state variables, and combining the fem with the multi - loop method, a mathematical model of the synchronous machine with internal faults is set up in this paper

    本文以矢量磁位和迴路電流為求解變量,把電機的電磁場方程與反映繞組聯接情況的電路方程聯立起來同時求解,提出了同步發電機定子繞組內部故障的瞬態電磁場與多迴路耦合的數學模型。
  15. Kinematics modeling and simulation of a five - bar cobot by using closed loop vector method

    基於閉環矢量法的五桿合作機器人運動學建模及模擬
  16. 2 ) research tolerance analysis modeling technique ; discuss one kind of vector loop based assembly tolerance analysis model, which takes fully account of dimension tolerance, geometric feature tolerance and kinematics effects

    2 )研究公差分析建模技術,討論一種基於矢量環的,包含產品零部件的尺寸公差、幾何特徵公差以及運動學影響的裝配公差分析模型。
  17. Simulations for these two conditions prove validity of theoretical analysis. on the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given. it introduces the closed - loop of stator excitation current to the system, which increases two adjustment channels : speed and excitation adjustment

    經理論分析可知,該方案中,由於轉子電流與磁鏈無法實現完全解耦,故僅在亞同步工況下有效,在超同步時則會因為調速系統不能自動校正轉子磁鏈幅值變化引起的橫向電流而使系統失去控制,無法達到穩定狀態。
  18. In this paper, a design of closed - loop rotor flux oriented vector - control system of induction motor is presented based on 56f8346 from motorola

    本文以motorola的56f8346為電機控制晶元研究設計了轉子磁場定向的異步電機雙閉環矢量控制系統。
  19. Analysis of the mathematics model of the field oriented vector - control system, design of the closed - loop pi controller of speed, torque and flux ; studies on the control principle and algorithm of svpwm, and analysis of the two control methods of svpwm. 2

    深入研究了轉子磁場定向矢量控制系統的數學模型,設計了轉速、磁通及轉矩的閉環調節器:對svpwm的工作原理和控制演算法進行了研究,並分析比較了它的兩種控制方式。
  20. The result showed that, with the equivalent substitution method of kinematic joint for error analysis, its computer - aided analysis was realized and the malady of tedium and complexity with the analysis and computation of the vector loop was eliminated, making the error analysis of the mechanism simple, easy, and reliable

    結果表明,誤差分析的等價運動連接替換法實現了計算機輔助分析,解決了向量環路分析計算量繁瑣的弊端,使機構誤差分析簡易可靠。
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