轉動質量 的英文怎麼說

中文拼音 [zhuǎndòngzhíliáng]
轉動質量 英文
rotating mass
  • : 轉構詞成分。
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 轉動 : 轉動turn; run; twirl; roll; revolve; rotate
  • 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
  1. Because it is impossible to adjust the air bearing absolutely balance, the difference between mass center and rotation center must lead to a notable gravity disturbance torque. in the process of identification, modeling and identification of gravity disturbance torque is considered, and an extended kalman filter is educed for identifying air bearing inertia matrix and gravity disturbance torque, and then the algorithm is validated

    由於氣浮臺平衡調試方法和手段的限制,實驗過程中氣浮臺心與中心有一定的位置偏差,必將導致較大的重力干擾力矩,在辨識演算法的推導過程中,重點考慮了重力干擾力矩的建模和參數辨識問題,推導了氣浮臺的和重力干擾力矩辨識的擴展卡爾曼濾波演算法,並對演算法進行了數學模擬和全物理模擬驗證。
  2. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣性制器在制時的振進行數學建模,然後用matlab對其進行模擬,得出了慣性制器在制時振角頻率分別與制環和摩擦片之間的摩擦系數、制力的平均半徑、主頂和花鍵軸的、慣性制器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主頂和花鍵軸的、慣性制器除主頂和花鍵軸外其他部分的和、頂壓套的等慣性制器各零部件的物理參數之間的關系,為慣性制器的結構優化提供了理論依據。
  3. The rotational inertia of an arbitrarily triangle uniform plane is calculated by a simple method. it is pointed out that principal axes can be deduced from the calculation

    摘要用一種簡單的方法計算了均的任意三角形平板剛體的,並由此結果給出一般三角形的慣主軸。
  4. The period of these torsional oscillations depended on the rotational inertia of the helium ; the oscillations occurred more rapidly when the inertia went down, just as if the mass of the helium decreased

    這種扭振?的周期取決于氦的減少時振?加快,看起來好像是氦的減少了。
  5. By means of the analysis on motion equation of simple pendulum, a method for testing the moment of inertia of a complex shaped rigid - body moving around a fixed axle under the condition of not knowing the barycentric position of the object was obtained

    摘要通過對單擺運方程的分析,得到了未知物體心位置條件下測試復雜形狀剛體繞定軸的方法。
  6. Optimal design with three variables is then done to the elbow - bar mechanism of the mp1040b moulding machine by utilizing the method of punishing function for constraint problems and variational scale for unconstraint problems. the optimal target function is the maxium of gradient in one work travel for the moulding plank of the elbow - bar mechanism. the result shows that the maximal gradient of moulding plank in one motion period declines by 25. 7 after optimization, and the angular acceleration of the bottom moulding plank decreases greatly

    力學分析中,各構件的是通過pro / engineer軟體,先建立各個構件幾何模型而求得;然後,利用解決約束問題的罰函數法和處理無約束問題的變尺度法對mp1040b型模切機肘桿機構進行三個設計變的優化設計,優化目標函數為肘桿機構的下模切板在一個工作行程中達到的最大傾斜程度;通過優化設計,模切機肘桿機構的下模切板在一個工作行程中的最大傾斜程度降低了25 . 7 ,其角加速度明顯減小,提高了模切機力學性能。
  7. Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple

    現在的工程師們更為青睞永磁無刷直流電機是因為以下幾點原因: ( 1 )去除了電刷的永磁無刷直流電機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等; ( 2 )低子提高了電機機械響應的,從而縮短了電機加速和減速的時間; ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電機比傳統的直流電機效率高; ( 4 )由於沒有機械換向部分定子的結構簡單了。
  8. This dissertation presents how to use the ultrasonic motor as an actuator to suppress the flutter of a two - dimensional airfoil section with a control surface. the ultrasonic motor, which features simple structure, high torque at low speed, small size, low weight and no electromagnetic contamination, is a promising actuator for the flutter suppression of small aircraft

    超聲電機以其結構簡單緊湊、矩/比大、低速大扭矩、直接驅態響應快、斷電自鎖和不產生磁場且不受外界磁場干擾等優點,有望成為一種非常有前途的作器,用於小型飛機的機翼顫振主抑制。
  9. The measuring principle of brake acceleration, brake speed, height of vehicle gravity center, pitching inertia of sprung mass and efficiency of suspension anti - pitching are also theoretically discussed to provide new methods for vehicle test research

    進一步說明了該系統在車輛制減速度、制初速度、整車心高度、簧上縱向及懸架抗制點頭率的測試或計算方法。
  10. The mass characteristic parameters of hslrfo include mass, mass center, centroid, lateral misalignment of mass center, rotary inertia, dynamic balance, etc. since the lateral misalignment of mass center is the most important mass characteristic parameter, the demand for the measuring precision of this parameter is very stringent

    高速遠程飛行物體的特性參數有心、形心、心橫偏平衡等內容,其中最重要的是心橫偏,因此,在測中,對心橫偏的測精度有著更高的要求。
  11. Based on the conservation principle of linear and angular momentum, the method derives the equations of the mass and mass center as well as inertia tensor of the new end - effector for the manipulator handling the unknown object

    該方法基於線和角守恆定律,推出了機械臂負載未知目標的新的末端效應器的心和的方程組。
  12. We presented the theoretical model of collisional quantum interference on rotational energy transfer in atom - diatom system, using the theories of time dependent born approximation and quantum inelastic scattering, and taking into account the long - range interaction potentials. the key factors in the determination of the differential and integral interference angles are obtained. co a1 ( v = 0 ) ~ e3 - ( v = l ) system in collision with he is calculated, the calculated values are consistent with the experimental results, but for the partners being ne and ar, the calculated values are not so good

    首次得到了從理論中計算干涉相位角的方法,得出了干涉相位角和實驗條件中各相關的關系,並計算了coa ~ 1 ( v = 0 ) e ~ 3 ~ - ( v = 1 )和he碰撞誘導傳遞過程中子干涉效應的實驗,計算結果和實驗符合的很好,但是對于碰撞伴是ne和ar的實驗,計算結果不是很好,原因是隨著碰撞伴和極化率的增大,相互作用勢更強,應該考慮短程相互作用勢的貢獻。
  13. Using gyro measurements during periods of thruster firing, with thruster outputs, mass property identification is achieved through recursive least squares algorithms on the basis of the refined dynamics equation. the approach addresses the issue by segmenting the problem into two sub - problems which both allow closed form solution to reduce computation load

    該方法利用衛星上的陀螺輸出和推力器控制指令作為演算法的輸入,在修正的衛星姿態力學模型基礎上,推導了衛星特性在線辨識遞推最小二乘演算法,將心位置和矩陣的辨識解耦以降低辨識演算法的維數,減少計算
  14. Axes of minimal moment of inertia for particle set in en

    點組的最小
  15. And the effect of the work order of the two propellant units to the performance of the trajectory and the matching conditions to obtain the theoretical optimum trajectory is discussed too. according to the ballistic speciality of a hybrid base - bleed - rocket extended - range projectile during base - bleed and rocket work, its physical parameter is non - constant, such as its mass position of mass centre polar and equatorial moment of inertia. after a mulriple ballistic model of constant physical parameter is established, a mulriple ballistic model of continuous and non - continuous physical parameter is educed and the program is compiled, the theoretical tool is constructed to study othe other pivotal technology of a hybrid base - bleed - rocket extended - range projectile

    本文根據底排?火箭復合增程彈其底排燃減阻和火箭助推階段的心位置、等結構特徵參變化的彈道特徵,在建立底排?火箭復合增程彈結構特徵參為不變常的多元彈道計算模型基礎上,導出了結構特徵參為連續變化和非連續變化的底排?火箭復合增程彈多元彈道計算模型,編制了相應的計算機數值分析程序,構建了研究底排?火箭復合增程彈其它關鍵技術的理論工具。
  16. Now, with flexographic press manufacturers offering shaftless press designs, it clear that shaftless printing technology is making headway in this increasingly quality and quick - turn sector of the printing industry

    目前,用柔性印刷製造商提供無軸印刷的設計,很顯然無軸印刷技術能夠使印刷業提高傳,快速傳印區域變成現實。
  17. The software package have some functions as follows : calculating the shrapnel ' s diagnostic parameters such as the mass and the pole moment of inertia, the inner and outer ballistic characteristic, the aerodynamic force and power, and so on

    該榴彈cad軟體具有以下一些功能模塊:計算彈丸、極等構造特徵數,計算內、外彈道特性,計算氣力,威力等。
  18. It is based on a proper decomposition of the ship motion in horizontal and vertical components. proper imaging intervals in order to obtain high quality ship images are selected using the estimated rotating angular velocity and doppler extension

    它將作了水平、垂直分解,估計出旋角速度和多普勒展寬,並藉助於它們選擇最優成像時間段以得到較高的艦船圖像。
  19. Designing the automatic examination equip for multiple parameters ( the mass center, inertia moment and the weight of the parts ) according to the methods

    並利用此方法初步設計了心、多參數自檢測裝置。
  20. The air bearing is the most important part of an attitude control system simulator for simulating a satellite moving in the weightless circumstance. performance of a satellite attitude simulation system based on air bearing is decided by the inertia matrix and gravity disturbance torque arising from a difference between mass center and rotation center, and air bearing can be used to simulate the algorithm of on - line mass - property parameters identification on the ground. so the problem of mass - property and gravity disturbance torque identification for satellite and air bearing is studied in this thesis

    氣浮臺能夠模擬衛星在軌失重條件下的姿態運,是衛星姿態控制系統物理模擬的核心部件,其心偏移引起的重力干擾力矩等決定了基於氣浮臺的衛星姿態物理模擬系統的性能,並且利用氣浮臺可以實現衛星特性在線辨識演算法的地面物理模擬驗證,因此本文對衛星和氣浮臺的特性及干擾力矩在線辨識問題進行深入研究。
分享友人