理想直流電機 的英文怎麼說

中文拼音 [lǐxiǎngzhíliúdiànjī]
理想直流電機 英文
ideal dc machine
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 想 : 動詞1 （思索） think; ponder 2 （推測; 認為） suppose; reckon; consider; think 3 （希望; 打算） w...
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 流 : 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 : 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...
  • 機 : machineengine
  • 理想 : ideal
  • 直流 : direct current （dc）; constant current; steady current; continuous current; zero frequency curre...
  • 電機 : （任何產生和應用電能的機器 特指發電機、電動機） any power generating or power driven machine esp ...
  1. 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。
  2. Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly

    用同步電動機實現步進傳動；將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場，使增量運動系統的容量和效率發展到一個新的水平，這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論，本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。
  3. In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good

    在模擬過程中，針對1 . 5kw和18kw異步電機進行了模擬，並在此基礎上提出兩種簡化控制方式；在tms320f240的具體編程過程中，分別對自適應濾波器的有限字長效應、直流偏置效應等非理想因素進行了修正和補償；最後，在1 . 5kw微型異步電機上進行了轉矩閉環無速度傳感器實驗，實驗結果表明了演算法完全可以達到預期的目標。
  4. The non - ideal bemf waveform of bldcm is often caused by two facts. one is that the platform width of bemf waveform is less than 120 ; the other is the cogging harmonics existed in the bemf waveform

    非理想反電動勢波形的無刷直流電機有兩種情況，一種是反電動勢的梯形波的平頂寬度小於120 ；一種是由於磁場分佈受齒槽的影響，反電動勢存在齒諧波，使其波形發生畸變。
  5. The ideal bemf waveform of bldcm is trapezoid with 120 ! platform width. in the 120 conduction mode, the stator current is not ideal due to the stator inductance, and the torque ripple occurs

    理想的永磁無刷直流電動機的反電動勢的波形是120平頂的梯形波，在三相六狀態120導通方式控制下，電流由於電機定子電感的存在而不是理想方波，因此產生了換相轉矩脈動。
  6. In order to minimize the commutation torque ripple of traditional trapezoidal bldcm using 120 cconduction mode, firstly, analytical formulae of commutation torque in the condition of perfect back - emf waveforms are developed in this thesis, based on which the effects to the torque ripple by the pwm modes, overlapping commutation techniques and so on are analyzed, and the applicable speed ranges of the motors using the overlapping commutation techniques are derived

    為了抑制傳統的三相六狀態120導通方式控制下方波型無刷直流電動機的換相轉矩脈動，本文首先在理想反電動勢的條件下推導了換相轉矩脈動的解析公式，並由此分析了調制方式、重疊換相技術等對換相轉矩脈動的影響，得出了採用重疊換相技術抑制換相轉矩脈動適用的電機轉速范圍。
  7. It can be seen from dtc space vectors whose flux linkages are discrete in space that the dtc method is also a discrete control approach for motor drives, which is consistent with ac step motion control in control ideology. but in dtc control, fast torque response and speed performance are the final objective, which can not achieve position control of synchronous motors

    從直接轉矩控制中的空間電壓矢量的概念可知，它也是一種電機的離散控制策略，磁鏈在空間是離散化的，和交流步進理論的控制思想是一致的，但是它最終是為了較快的轉矩響應和速度調節特性，無法完成同步電動機的位置控制。
  8. The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization

    而傳統的無速度傳感器雙饋調速矢量控制系統，由於採用磁鏈定向方法，在同步速附近存在較大的工作死區，針對上述問題，本文做了如下的研究工作：本文從雙饋電機的數學模型出發，根據矢量控制的基本原理，提出了一種轉子側功率因數為1的雙饋電機矢量控制方案的設想，即在雙饋調速時採用轉子電流定向的方法，並控制外加轉子電壓與轉子電流始終反相，以保持了轉子電流與轉子磁鏈矢量垂直，通過控制轉子電流的大小來達到控制電機電磁轉矩的要求。
  9. At first, the dissertation analyses the principles, the operation theory and the control techniques of bldcm ( brushless dc motor ). then according to the different bemf of different bldc motor, the dissertation analyses the torque ripple in the bldcm with ideal 120 擄 trapezoidal waveform bemf and non - ideal bemf waveform respectively. further more the dissertation presents different novel control techniques of the torque ripple minimization in bldcm

    首先，對永磁無刷直流電機的定義，工作原理，控制方法進行了分析，然後根據永磁無刷直流電機的反電動勢波形的不同，對理想方波型無刷直流電動機的換相轉矩脈動，非理想方波反電動勢的無刷直流電動機的換相轉矩脈動進行了詳細的分析，並分別提出了不同的控制策略，對其換相轉矩脈動進行抑制。
  10. Because of its unique structure and outstanding characteristics, multiple - channel brushless dc generator which is made up of doubly salient electro - magnetic generator is a new kind of one. it can improve the reliability of the power - supply system for helicopters

    由於電勵磁雙凸極電機獨特的結構和優良的性能，所以由電勵磁雙凸極電機構成的多餘度無刷直流發電機是實現高可靠性直升機電源系統較為理想的一種新型無刷電機。
  11. This paper carried through the detailed description and the discussion first to the new generation of operation strut system ngoss theory and its the system organization which proposed by telecommunication management forum tmf. and it unified the existing oss of chongqing tietong to carry on analysis, contrast and reorganization, then fully used the service process flows, public bus structure, public service data and the technical thought of ngoss module and so on. according the frame construction instruction of etom, carried on the analysis, the conformity and develop the useful and discard the useless on the foundation of the system in existence, constituted the new generation of operation support program tbss holistic frame and the system skeleton of tietong characteristic, conforming to the chongqing tietong actual situation, to guarantee the realization of enterprise strategic target according to tbss concentrated deployment and manages the key application system and the data gradually, insure realizing the complete sharing of information in the entire enterprise and the end - to - end process automation, broke thoroughly the information isolated island of the chimney

    本論文首先對新一代運營支撐系統（ ngoss ）的理論及其體系機構進行了詳細的探討，並且結合重慶鐵通現有運營支撐系統進行分析、對比、整理，接著充分利用ngoss體系架構和理論中的業務過程流、公共總線結構、公共業務數據以及ngoss組件等技術思想，根據增強型電信運營圖etom的框架結構，在對已有系統的進行分析、整合和揚棄的基礎上，制定了具有鐵通特色、符合重慶鐵通實際情況的新一代運營支持系統tbss的整體框架和體系構架，以確保逐步根據該體系架構集中部署和管理關鍵應用系統和數據，實現全企業信息的完全共享和端到端的過程自動化，徹底打破煙囪式垂直應用體系而造成的信息孤島，保證企業戰略目標的實現。
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