瞬時轉動 的英文怎麼說

中文拼音 [shùnshízhuǎndòng]
瞬時轉動 英文
i tantaneous rotation
  • 瞬 : Ⅰ名詞（眼珠一動; 一眨眼） wink; twinkling Ⅱ動詞（眨眼） wink
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 轉 : 轉構詞成分。
  • 轉動 : 轉動turn; run; twirl; roll; revolve; rotate
  1. What is the instantaneous center of revolution ?

    瞬時轉動中心在哪裡？
  2. Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab

    並用模態分析的方法，將系統的偏微分方程模型轉化成了模態模型；研究了狀態反饋和獨立模態方法；進一步完善了軟體界面以及軟體功能；在實際系統中，應用狀態反饋演算法，有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一階、二階模態振動。
  3. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題，採用回傳矩陣法，在相空間中給出了位移和內力的表達式。再利用laplace逆變換，得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解，然後將其分解為若干廣義射線積分之和，並用數值方法求解之。
  4. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點，運用數力學中矢量分析理論和方法，推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時，瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  5. This paper presents an assur - group method for the kinematic analysis of plannar cam mechanisms. during inversion, each instantaneous cam mechanism is transformed into an assur - group in this method

    該方法是把反轉中的凸輪機構的各個瞬時機構轉化為桿組，通過對桿組的分析完成對凸輪機構從動件的運動分析。
  6. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路，並輔以晶閘管的保護電路，通過控制可以得到低頻正弦波的電壓（電流）輸出；控制迴路主要以87c196kccpu為核心，其外圍電路包括同步電路，脈沖拓寬電路，功率放大驅動電路等，完成了數字觸發、數字調節、模數轉換等功能；進線電源變壓器具有變壓和隔離作用；環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。
  7. The effect of uneven power and compression condition of each cylinder of diesel engine on the crankshaft instantaneous rotation ( velocity and acceleration ) curves and their interrelationship in different cylinder numbers and rotation speeds have been thoroughly analyzed by means of the crankshaft instantaneous rotation curves simulated by computer

    本文通過計算機模擬出多缸內燃機各種作功和壓縮狀況下的曲軸瞬時轉動曲線（速度和角加速度） ，詳細分析在不同缸數和不同轉速條件下，柴油機各缸作功和壓縮功不均衡對曲軸瞬時轉動曲線的影響及其內在聯系。
  8. In chapter 3 the torque ripple minimization algorithm based on torque observation and instant torque control is studied as well as the fuzzy pid controller does

    在分析兩種轉矩脈動抑制方法局限性基礎上，研究了基於轉矩觀測的瞬時轉矩脈動抑制演算法以及轉速環的模糊pid控制器設計。
  9. This thesis is about the torque ripple minimization of switched reluctance motors ( srm ) under the base speed. based on the instant torque control strategy, aiming to minimize the torque ripple of srm during commuting and to obtain excellent dynamic and steady state performances

    本文主要研究開關磁阻電動機（簡稱sr電機）在基速范圍以下轉矩脈動的抑制問題，研究時以瞬時轉矩控制為基礎，旨在減小換相期間sr電機的轉矩脈動。
  10. In order to minimize the torque ripple of srd, the dissertation further design the intelligent torque control system, introduce the instantaneous torque control strategy based on torque distribute function, which is implemented by the flux linkage controller of srm. furthermore, considering the multi control parameter, the article also found the rotor position angle controller based fuzzy logic so as to optimize the whole control system and effectively reduce the torque ripple

    為了降低srd系統的轉矩脈動，本文在所建模型的基礎上，設計出智能化轉矩控制系統，利用轉矩分配函數，提出瞬時轉矩控制策略，同時採用磁鏈控制器來實現；考慮到srd具有可控參數多的特點，本文同時建立了優化轉子位置角的模糊控制器來達到智能化轉矩控制的目的，從而有效抑制sr電機的轉矩脈動。
  11. Engine is contained in the angular vibrating curves of crankshaft, many scholars do research on the fault cylinder diagnosis by use of the transient speed curves of i. c. engine, and some progresses are acquired, but there are some problems such as the poor diagnosis accuracy in some cases and the limited application range

    內燃機曲軸角振動曲線含有豐富的內燃機作功狀況的信息，國內外許多學者都在研究利用內燃機瞬時轉速曲線診斷故障缸，取得一定進展，但存在精度不高或適用范圍受限制等問題。
  12. Abstract : the simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented. the important factors, influencing the measurement precision of the instantaneous speed, are discussed. the correct measurement method is presented. the instantaneous speeds of diesel engine are measured and processed in a laboratory condition. compared the simulated instantaneous speed with the measured instantaneous speed, the simulated result is correspondence with the measured result. the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided, and diagnosis accuracy is confirmed on 4120sg diesel engine

    文摘:對瞬時轉速波動進行了模擬分析計算；實測了發動機的瞬時轉速；對比了實測與模擬計算的瞬時轉速波形，兩者相當一致；討論了影響瞬時轉速測量精度的關鍵因素；提出利用瞬時轉速進行故障診斷的特徵參數及判據，並在診斷4120sg型柴油機氣門漏氣故障中得到證實
  13. It is discovered that the fluctuating increment of the instantaneous angular acceleration curve of crankshaft ( ay method ) put forward in this paper can be used to diagnose the power and compression condition of multi - cylinder engine in the state of shorter, more rigid crankshaft and lighter torsional vibration and in the rapidly diagnosed situation, and the ay method is better than the fluctuating increment of the instantaneous rotation speed curve of crankshaft ( n method ) which is used widely now

    結果發現，在內燃機曲軸較短、剛性較大、扭振較小、對診斷速度要求很快的場合，用本文提出的曲軸瞬時角加速度波動增量j法能較準確地判斷多缸內燃機各缸的作功狀況和壓縮狀況，優于目前廣泛使用的曲軸瞬時轉速波動增量n法。
  14. The simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented. the important factors, influencing the measurement precision of the instantaneous speed, are discussed. the correct measurement method is presented. the instantaneous speeds of diesel engine are measured and processed in a laboratory condition. compared the simulated instantaneous speed with the measured instantaneous speed, the simulated result is correspondence with the measured result. the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided, and diagnosis accuracy is confirmed on 4120sg diesel engine

    對瞬時轉速波動進行了模擬分析計算；實測了發動機的瞬時轉速；對比了實測與模擬計算的瞬時轉速波形，兩者相當一致；討論了影響瞬時轉速測量精度的關鍵因素；提出利用瞬時轉速進行故障診斷的特徵參數及判據，並在診斷4120sg型柴油機氣門漏氣故障中得到證實
  15. Couple of instantaneous rotations

    瞬時轉動偶
  16. To investigate the molecular basis of the stresses - induced gene regulation, the acbadh promoter - / ? - glucuronidase chimeric gene constructs containing six deletions were introduce into tobacco by agrobacterium - mediated transformation

    對啟動子進行6禾缺夫構建，瞬時轉化煙草葉片表明， 6種構建都有活性。
  17. Via a convert from the fuselage equivalent model into the fuselage instantaneous wheel axis, the fuselage roll and the pitch motion are both involved

    通過機體當量模型向機體瞬時轉心的轉換來計入地面運轉時機體的滾轉和俯仰運動。
  18. ( 2 ) according to the willis ' s method of mechanism conversion, the speed ratio formula is deduced. the instantaneous speed ratio formula is deduced by differential coefficient, and the condition of preserving it is deduced

    （ 2 ）用willis轉化機構法求出了活齒端面諧波齒輪傳動裝置的傳動比，並用微分的方法分析、求得了瞬時傳動比，得出了保證瞬時傳動比恆定的條件。
  19. Detecting instant rotation with computer series port

    利用計算機串口進行發動機瞬時轉速測試
  20. The conclusion that they are on all fours is deduced by comparing the instantaneous speed ratio formula and the speed ratio formula which is deduced according to the willis ' s method of mechanism conversion

    此外，還將用willis轉化機構法求得傳動比與表達形式不同的瞬時傳動比進行了比較，得出了這兩種傳動比在本質上一致的結論。
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