瞬變狀態 的英文怎麼說

中文拼音 [shùnbiànzhuàngtài]
瞬變狀態 英文
transient state
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • 狀態 : status; state; condition; state of affairs: (病的)危險狀態 critical condition; 戰爭狀態 state o...
  1. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時,基於電網平衡為約束條件設計的三相vsr將出現不正常運行,比如三相vsr交流電流中出現負序分量,使交流電流嚴重不對稱;直流電壓和交流電流中出現非特徵諧波分量,使直流電壓和交流電流波形發生嚴重畸;三相vsr從電網吸收不平衡的時功率等一系列問題。
  2. If all errors belong to single or multiple temporary 0 1 - error or stuck - at - error produced by one module, then these errors can be corrected effectively. the results obtained from the simulation validate the correctness of the cl - acl structure. analytic results show that the delay of the cl - acl structure is dramatically less than that of a dmr structure using alternating - complementary logic mode

    這些粒子所引起的干擾不僅將改存儲單元的邏輯值,而且將導致邏輯電路產生時輸出脈沖,如果這些脈沖在某個關鍵的時間段里產生,比如在時鐘或數據的化過程中,那麼它們將間接地使其它電路的產生化。
  3. The conclusion is that the similarities between japanese verbs and adjectives are due to the fact that both are used as adjectivals modifying nominals as well as verbals functioning as predicates, and their differences due to the fact that while verbs more often than not denote activities, events or achievements and thus belong in satage - level predicates requiring agents as subjects, adjectives usually denote properties or states and thus belong in individual - level predicates taking themes or experiencers as subjects

    論文的結論是:日語動詞與形容詞的共通性是由於二者同屬于用官(述語)而且具有敘述與修飾兩種用法的緣故;而其相異性則是由於動詞多表示活動、化、成而屬于以主事者外元為主語的暫述語,但形容詞則多表示屬性、感情而以客體內元或感受者外元為主語的恆性述語的緣故。
  4. Bits supplies the synchronous timing signal to these equipments inside the telecommunicationt building, such as dps, atm, no. 7, dxc, tm & adm in sdh, don and in etc. the related techniques are involved in the content of synchronization ne twork, timing distribution, the timing signal transportations x impairments etc. the second chapter tells the structure and the function of the building integrated timing system. the third chapter summarizes the digital synchronization network techniques, which emphasizes the basic concept of synchronization networks analyzes the necessity of building the synchronization network and introduces all kinds of synchronization methods. the fourth chapter represents the transportation of the synchronization signal

    本文第二章講述了通信樓綜合定時系統的構成及作用:第三章概述了數字同步網技術,著重描述了同步網的基本概念,分析了建立同步網的必要性,講述了各種同步方法;第四章闡述了同步定時信號的傳輸;第五章介紹了bits設備所支持的同步消息;第六章、第七章為本文的重點,通過對時鐘信號建立數學模型,從理論上分析時鐘內部噪聲和相位產生時鐘定時信號損傷的原理,企圖尋找到更好地控制頻率漂移的方法。
  5. The wet natural gas in transmission pipeline assumes two phase of gas and liquid, so its flowing always assumes a slow transient flow state

    在實際運行中,濕天然氣在輸送管道中存在氣液兩相,因此管道中的流動總是處于慢流動
  6. The transient temperature and thermal stress distribution in disk of heat capacity laser pumped by high power lda are simulated by use of finite element methods, optical distortions and birefringence were computed subsequently

    摘要利用有限元數值方法,模擬計算了熱容模式下片激光介質的溫度分佈和熱應力分佈及其波前畸和應力雙折射。
  7. Based on a 3 - d transient thermal model with inhomogeneous heat generation, the temperature and thermal stress distribution in the disk of heat capacity laser pumped by high power laser diode array ( lda ) are simulated and analyzed by means of finite element methods

    摘要為了研究激光介質熱畸對固體熱容激光器的影響,數值計算了高功率激光二極體陣列抽運片激光介質的溫度場和熱應力分佈。
  8. Electronic pressure switches trigger changes in switching state with the aid of electronic semiconductor switches, which process the minutest sensor signals

    電子壓力開關是在可以處理間傳感器信號的電子半導體開關的協助下改開關
  9. Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably

    在分析了venturini控製法、時雙電壓法、空間矢量法等電壓控制方法的基礎上,提出了在非對稱輸入條件下矩陣換器空間矢量法的時調制比改進控制策略,提高了換器的抗干擾性能;對空間矢量法的開關策略進行了研究,提出了新型5開關策略,在保證其他性能不受影響的條件下,減少了換器的換流次數和開關損耗;提出了一種矩陣換器單電壓合成的新方法,它不僅使得換器的控制簡單,計算量減少,而且使得開關損耗達到最少。
  10. Applying the method studied in this thesis, theoretical calculation of certain container ship in regular wave has been done on ship motion and hydrodynamic pressure. it also has the results compared with those obtained under multipole conditions in the model tests. as a consequence, we abstract some characteristics of the distribution of instantaneous hydrodynamic pressure on ship wet surface, and the distribution changes with forward speed and wave parameters

    利用本文方法對某集裝箱船進行了規則波中的船舶運動和水動壓力的理論計算,並與船模水池試驗所提供的多的壓力分佈數據相比較,得出船體表面時壓力的分佈及其隨航速和波浪參數化的某些規律。
  11. In basic action layer ' s designing, it uses a fuzzy - pid control algorithm that brings the system with a good dynamic and static performance. in the whole decision - making process, the protean situation on the competition ground is expressed by an artificial intelligence method for describing the state space that is constituted by selecting a small number of discrete representative states. desired actions are set for every robot based on the tasks of the system and the strategy

    其中在進行基本動作層的設計時,採用了模糊控制與pid控制相結合的智能控制演算法,使系統具有良好的動、靜品質;而在進行整體決策時,採用了人工智慧的空間表示方法,在比賽場上息萬勢中選擇少量的具有代表性的離散來構成空間,再根據系統需要完成的任務,為機器人確定有限的動作集合,並通過決策推理,給每個機器人選擇合適的動作,從而決策得出機器人的左右輪轉速值,實現對系統的實時控制。
  12. On the basis of the principle of direct torque control, a control strategy of the grade of errors for induction motor has been proposed to improve the performance of powertrain system of hybrid vehicle in this thesis. the stator flux error, electric magnetic torque error and flux position angle are considered as control variables, and the switching states are determined by the control rules of the direct torque control

    本文在直接轉矩控制系統的基礎上提出了一種基於誤差等級的直接轉矩控制dtc策略,它以電機定子磁鏈誤差、電機電磁轉矩誤差及磁鏈位置角作為控制量,然後根據直接轉矩控制原理制定控制規則來選擇開關,進而提高系統時的轉矩響應。
  13. Under the direction of elastic - plastic statics theory, transient dynamics theory and structure mechanics theory, the means of numerical analyse is adopted in this thesis to study the security of existing tunnel. the thesis studies the contents as follovvs : ( 1 ) the bias pressure, vvhich is caused by the digging of new tunnel, deflects and deforms the lining of existing tunnel. the effect degree relates to tunnel space, construction method, topography and round rock

    本文用數值分析的手段,對既有隧道的安全性進行了彈塑性靜力分析、動力學分析和結構力學分析,如下: ( 1 ) 、新建隧道的開挖對既有隧道造成偏壓影響,使得既有隧道發生偏轉和形,從而對隧道襯砌產生不良後果,其影響程度與隧道間距、施工方法、地形和圍巖況有關。
  14. Dynamic current monitor reflects transient loading current instantly to judge the faulty parts of mobile circuit board easily

    電流監測器能時反映出負載跳,更容易判斷手機板的故障部份。
  15. Using the optimization control method of the moderm control theories, the time - varying control and output - feedback control the authors study the variable structure active control over the rotor vibration with sma, especially the method of restraining the transient response of the rotor vibration. they get the rule of the optimum control force and the optimum control electric current and discuss the influence of variable stiffness on the total system stiffness through analyzing the structure of sma controller. they also indicate the shortcoming of the orthodox design method of a controller, especially the imbalance phenomenon caused by the lack of the rod stability, and propose a new method for improvement and items which ought to be paid attention to in the design stage

    運用現代控制理論中的最優控制方法,引入時控制和輸出反饋控制,研究利用形記憶合金對轉子振動進行結構主動控制,特別是抑制轉子振動的響應的方法,得出了最優控制力和控制電流的強度化規律;通過分析形記憶合金動作器的結構,探討了剛度支承對系統總體剛度的影響,指出了傳統設計方法的不足之處,特別是由壓桿穩定性不足引起的失穩現象,並提出了改進的方法和在設計中值得注意的問題
  16. Three kinds of the usual methods of rotor flux estimation are compared and analyzed, and the method of rotor flux estimation based on the voltage model is studied in detail. and the output phase voltage is reconstructed by means of the dc - bus voltage and the switching states of the inverter, the effect of the dead time and saturating voltage - drop of the switches on flux estimation is discussed. and the method of synchronizing instant speed identification is also studied deeply

    本文對三種常用的轉子磁鏈觀測方法進行了對比分析,在此基礎上著重研究了基於電壓模型磁鏈觀測方法,分析了利用直流母線電壓和逆器三相開關管的進行輸出電壓重構方法,討論了死區時間和開關管飽和壓降對磁鏈觀測結果的影響,深入研究了同步時轉速辨識方法。
  17. 4 、 on the basis of analyse of a quasi - static meshing simulation in a meshing period, a dynamic meshing simulation in the case of definite torque and rotary speed are carried out in a meshing period. the numerical results which indicating the variety of the contact status, the contact stress, the bending stress in the location of teeth root and the torque and rotary speed of gear pair vs the different meshing position are presented

    4 、在對螺旋錐齒輪準靜嚙合進行模擬分析的基礎上,進行了螺旋錐齒輪動嚙合模擬分析,重點分析帶載啟動時出現的沖擊現象,得出了齒輪的接觸、接觸應力、齒根彎曲應力及主從動齒輪的扭矩、轉速和加速度隨嚙合位置化的規律。
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