zero vector space 中文意思是什麼

zero vector space 解釋
零向量空間
  • zero : n （pl zeros zeroes）1 【數學】零；零號。2 零位；零點，起點；（溫度表的）零度，冰點；座標原點；無...
  • 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...
  • space : n 1 空間；太空。2 空隙，空地；場地；（火車輪船飛機中的）座位；餘地；篇幅。3 空白；間隔；距離。4 ...
  1. By analyzing the basic principle of voltage space vector pwm, a method is proposed to choose the zero vectors dynamically according to the power factor angle of the load and the concept of the lag angle of non - switching sectors

    在分析了空間矢量pwm基本原理的基礎上，提出了一種根據負荷功率因數角動態分配零矢量的方法，並引入了不開關扇區滯后角的概念。
  2. In the control software, the object - oriented method is used for doing system analysis and study. furthermore, the message - driven mechanism is used in the control software research and design. the instantaneous zero vector inserting space vector pwm theory is adopted to control the permanent magnet synchronous machine as the driver motor in the control software

    軟體採用面向對象的程序設計方法對系統進行分析與研究，將消息驅動機制應用於控制軟體的設計和開發之中，在控制軟體中採用瞬時零矢量插入磁鏈軌跡法（電壓空間矢量法）來控制永磁同步電機。
  3. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質量調節器來講， pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的補償效果，本文選擇無差拍電壓空間矢量控制為系統控制策略，這種控制方法具有采樣頻率低，開關頻率與采樣頻率的差距小，能有機地產主零矢量、跟蹤精確以及無抖振等優點，動態響應快。
  4. 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，輸出濾波器設計困難，輸出波形質量差，空間矢量控制（ svm ）技術具有較高的電壓利用率，且通過對零矢量的合理控制可以降低諧波含量或降低開關損耗，因此是一種較好的控制方法。
  5. 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

    本文對基於空間電壓矢量的變頻調速系統進行了研究，敘述了空間電壓矢量的原理，對ti公司第三方軟體的對稱空間電壓矢量的演算法進行了分析，並用simulink對該方法進行了模擬，對兩個零矢量的作用時間和作用順序進行了分析，指出空間電壓矢量pwm實質上是一種諧波注入的調制方法。
  6. In the second part, we investigate the compact submanifolds m with the parallel isoperimetric section in the real space forms rm ( c ) and prove that if there exists a parallel isoperimetric section on m, and the sectional curvature of m is always greater than zero, then m is contained in a hyper - sphere ; and get that the gauss curvature of the compact surfaces m with constant mean curvature in constant curvature space r4 ( c ) is always greater than zero, then m is a totally geodesic surface or a sphere, where an isoperimetric on m means a unit normal vector field defined globally on m with m1 ( ) = constant

    （ 2 ）研究了實空間形式r ~ m （ c ）中具有平行等參截面的緊致子流形m ，證明了具有一平行等參截面的子流形m ，如果m的截面曲率恆正，則m包含在r ~ m （ c ）的一個超球面內；對于常曲率空間及r ~ 4 （ c ）中具有常平均曲率的緊致曲面m ，如果m的高斯曲率處處大於零，則m或為r ~ m （ c ）中的全測地曲面或為一球面。這里m上的等參截面是m上整體定義的單位法向量場，使得m關於它的平均曲率m _ 1 （ ）是常數。
  7. As a result, the concept of state space for conceptual design of mechanical system is presented, which is new to the literature, based on the set of all state vectors. meanwhile, the properties of state vectors, which are vectors addition, constant multiplying, reversible driving, zero vectors, are discussed in state space. secondly, the dual - vector is introduced to descript the essential relation among the input and output characteristic vectors as well as sms

    按照狀態空間中對偶特徵矢量的運算規則，在已知系統的輸入輸出特徵矢量的情況下，通過數學推導求解，將形成的系統狀態變換矩陣分解為多個狀態變換矩陣的乘積，再通過各狀態變換矩陣到數據庫中尋找相應的基本變換單元集合，然後進行按序組合，進而從理論上獲得相應的方案設計可行解。
  8. In order to optimize the modulation performance, the relationships between the modulation signals ( include fundamental signals and zero - sequence signal ) and space vectors, between the modulation signals and space - vector sectors were discussed, then three kinds of optimal switching pattern of space - vector modulation are established

    文章首先從研究svpwm調制中零序信號與零電壓矢量和非零電壓矢量之間的關系這一獨特角度出發，探討了svpwm的優化調制方法，找出了三種開關損耗小、適用於高頻化逆變器的優化開關模式。
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