波矢量空間 的英文怎麼說

中文拼音 [shǐliángkōngjiān]
波矢量空間 英文
k-space
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 空間 : space; enclosure; room; blank; interspace
  1. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對磁鏈幅值和相位的控制來調節電機轉速,減少了逆變器輸出電流的諧,降低了脈動轉矩,提高了電壓的利用率。
  2. While two ( or more ) electromagnetic waves of the same frequency, same direction of vibration, same phase or constant phase difference superpose in space, the amplitude of composite wave is vector sum of the amplitude of each wave

    由兩個(或兩個以上)頻率、振動方向相同、相位相同或相位差恆定的電磁疊加時,合成振幅為各個的振幅的和。
  3. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦反電動勢無刷直流電動機,本文提出一種基於六個離散位置信號的自同步svpwm (電壓法)控制方法,用以削弱電磁轉矩脈動,分析了實現這種方法的主要控制環節,包括起動時電壓的初始定位,阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  4. An algorithm based on the inner structural feature of the 8 - bit single chip microprocessor is presented to perform the space vector modulation, it is high efficiency in voltage - utilizing, low harmonic losses, fast in calculation speed, simple in over - modulation method, high ratio of capability to price

    介紹一種用8位專用單片機內部結構特徵而設計的調制演算法,不但具有電壓利用率高、諧損耗小等優點,還具有計算速度快、過調制處理方法簡潔、性能價格比高等優點。
  5. The svpwm method has been adopted in the pmsm speed control, also to obtain the good results in cooperation with the chopper control

    永磁同步電機變頻調速採用電壓pwm方法,並與斬器協調控制達到良好控制效果。
  6. This thesis proposed a real - time detection method for fundamental negative - and positive - sequence based on space vector

    本文提出了一種基於概念的基正序、負序分實時提取新方法。
  7. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級移相全橋軟開關周變流型三相高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將電壓產生p姍的方法svm和等效載頻率fe = 1 / te引入到周變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧最小。
  8. A new direction of arrival estimation method is proposed using a single vector hydrophone, which is composed of three spatially co - located but orthogonally oriented velocity hydrophone plus another co - located pressure hydrophone

    摘要提出了一種基於單個水聽器的二維達方向估計方法,該水聽器由三個軸向垂直的振速水聽器和一個聲壓水聽器構成。
  9. Firstly, according to the detailed analysis on the mathematical model of pmsm, the principle of field oriented control ( foc ) is illustrated. spwm and svpwm are analyzed and contrasted in detail too, and the digital realization techniques based on dsp are given

    本文首先在分析永磁同步電機數學模型的基礎上,闡述了永磁同步電機控制基本原理;對正弦調制技術( spwm )和調制技術( svpwm )兩種脈寬調制策略進行了詳細的分析和對比研究,給出了基於dsp的數字化實現方法。
  10. 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的概念,提出了一種基正序分、基負序分及諧的自適應檢測方法,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。
  11. 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:一是電磁勢有物理效應。二是在無場強但有磁勢( b = 0 , a 0 )的區域,函數的相位因子與其運動結構有關。 a - b效應顯示; e 、 b是局域, a 、是總體,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。
  12. Svpwm strategy application in active power filters

    控製法在有源濾器中的應用
  13. Implement of parallel active power filters under svpwm

    方法實現並聯型有源電力濾
  14. The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus

    衛星天線伺服控制系統以正弦永磁同步電機作為驅動電機,採用多邊形磁鏈軌跡法(電壓法)的控制策略;動平衡電機採用永磁無刷直流電機,通過電流環、速度環達到快速、精確跟蹤驅動電機的目的,確保了衛星姿態恆定;設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制,並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。
  15. The apace vector pwm has the character of wide linear range, little higher harmonic and easy digital realization, so it is being widely used in pmsm driver system

    摘要pwm調制,它具有線性范圍寬、高次諧少、易於數字實現等優點,在新型的永磁同步電機驅動器中得到了普遍應用。
  16. A linear theory of rbwo with inner - slot coaxial structure is analyzed detailedly, and the equation of dispersive relation is deduced and computered numerically. 4. particle simulation is used in rbwo respective with coaxial and partial structure. in the simulation, the output parameters of rbwo such as phasespace, contour, vector, voltage, current, output power, interaction efficiency and microwave radiation

    4 .對同軸和偏心返管分別進行了粒子模擬,通過改變電壓、電流、電子注位置、磁場等參數來觀察返管加了內開槽前後相位、等位線、、電壓、電流、輸出功率、工作頻率的變化。
  17. The operating principles of svpwm and associated control algorithms are also covered in the paper. by using svpwm to control the magnitude and phase angles of the spatial voltage vector, the speed control of the drive system in this paper can reduce the output of current harmonics, lower the torque ripple, and improve the energy efficiency

    本文還對svpwm的工作原理和控制演算法進行了研究,控制系統採用svpwm演算法,通過對電壓的幅值和相位的控制來調節電機轉速,減少了逆變器輸出電流的諧,降低了脈動轉矩,提高了電壓的利用率。
  18. 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

    基於的概念,提出了一種開環的基正序分、基負序分及諧的實時檢測方法,這種方法可以看作是的概念與傳統的基於濾器的諧檢測方法的結合,它能夠克服原有的基於濾器的檢測方法的不足,可用於hvdc - vsc的不對稱運行控制。
  19. People can easily design the hysteresis current control hardware circuit, but the switching frequency is variable which makes us difficult the design the output filter, moreover the output waveform is not good. the space vector modulation techniques, by selecting the zero vector properly, it can reduce the harmonic content of the output voltage, so it has become a popular control method

    滯環電流控制的硬體電路設計簡單,但存在開關頻率不固定,輸出濾器設計困難,輸出形質差,控制( svm )技術具有較高的電壓利用率,且通過對零的合理控制可以降低諧或降低開關損耗,因此是一種較好的控制方法。
  20. Variable frequency speed regulation system based on the voltage space - vector is researched in this paper, the principle of the voltage space - vector is presented, and the third part " s software strategy of voltage space - vector is analyzed, the method of the third part " s software of voltage space - vector is imitated with simulink. at the same time, the duty time and duty order of the two zero - vector are analyzed and showed that the voltage space - vector pwm is actually a modulated method by adding the harmonic to the sine wave

    本文對基於電壓的變頻調速系統進行了研究,敘述了電壓的原理,對ti公司第三方軟體的對稱電壓的演算法進行了分析,並用simulink對該方法進行了模擬,對兩個零的作用時和作用順序進行了分析,指出電壓pwm實質上是一種諧注入的調制方法。
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