mass acceleration 中文意思是什麼

mass acceleration 解釋
質量加速度
  • mass : n 彌撒;彌撒的儀式[禱告、音樂];彌撒曲。 a high [solemn] Mass (有燒香、奏樂等的)大彌撒。 a low ...
  • acceleration : n. 1. 加速;促進。2. 【物理學】加速度;變速。3. 【教育】加速升級。
  1. The hydraulic gradients of settling slurry flow transported in three kinds of moving states, i. e. suspension, saltation, or partially suspension were investigated, based on analyzing the changes of solid particles and water in momentum, velocity and their mass related to momentum exchanging over the acceleration period of the solid particles

    從固體顆粒加速期間清水與固體顆粒的速度變化、動量傳遞、相關質量等基本問題分析入手,研究了沉降性漿體在水平管道內流動時其固體顆粒在3種流動狀態下的水力坡度,提出了沉降性漿體在水平管道內流動的機理模型,進而用該模型對一些輸送條件下的沉降性漿體的水力坡度進行了計算。
  2. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來,計算分析了成層地基中單樁的橫向地震響應,得到了以下結論: 1 )上部結構慣性力對樁的橫向地震響應的影響不可忽略; 2 )成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響,隨地震基本加速度、上部結構質量的增大而增大;場地特徵頻率越接近樁基自振頻率,樁基地震響應越大,等於自振頻率時,由於發生共振現象,樁基響應幅值最大; 3 )樁土剛度比越大,樁土之間的相對位移的幅值越大; 4 )樁頂固接的連接方式,可以有效地降低地震時單樁的橫向地震響應。
  3. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據磁流變阻尼器特性和對懸架系統動力學特性的規律性研究,為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略,基於「地棚」阻尼控制概念的磁流變阻尼線性連續控制策略, 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的磁流變阻尼混合控制策略,根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。
  4. Then, the discussion of the influence of linear part, the lumped mass of the rigid links and the angular acceleration of flexible joint actuators on the non - linear dynamic character of flexible joint manipulator with flexible links is done

    問中還就關節線性項、桿的集中質量和關節驅動加速度對關節非線性特性表現的影響進行了討論。
  5. A numerical simulation of a planar 3r manipulator is performed. the results show that the non - linear torsion springs have important influences on the joint error and tip error of manipulators. moreover, the influences of linear part of non - linear, the lumped mass of the rigid links and the angular acceleration of joint actuators on the non - linear dynamic character of flexible joint manipulator are discussed

    首先,建立了剛性桿非線性關節機器人的動力學模型,之後通過一平面3r機器人進行了數值模擬,說明了在一定情況下,關節的非線性對剛性桿機器人關節變形和末端誤差具有重要影響,並在此基礎上,討論了關節線性項、桿的集中質量和關節驅動加速度對機器人關節非線性特性的影響。
  6. The particle collection facility was developed based on the rule of particle colliding and congregating in high acceleration srm. the coagulate pattern of particle was gained through electron microscope scanning. percentage distribution of particle numbers and mass according to particle diameters was obtained

    通過粒子收集試驗和對收集到的粒子進行電鏡觀察,分析了粒子的聚集特點,獲得了試驗條件下的顆粒數分數和質量分數隨顆粒直徑的分佈曲線,並針對溫度因素進行了修正。
  7. 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動減速度、制動初速度、整車質心高度、簧上質量縱向轉動慣量及懸架抗制動點頭率的測試或計算方法。
  8. So the production of road signal is firstly studied. by virtue of the analysis and contrast of suspension performance, the acceleration of sprung mass, dynamic tyre load, suspension dynamic deflection and active control force are determined as the evaluation indexes of suspension performance

    進而經分析,對比,確定簧上質量加速度、車輪動載荷,懸架動撓度以及主動控制力作為主動懸架性能的綜合評價指標,以較全面地反映在控制過程中,車輛的行駛平順性、操縱穩定性及主動控制系統的能耗。
  9. Based on the theory of field and considering all of the effects from around movement objects as one object in center of mass, expressing velocity and acceleration as vector, the dissertation extends mutual action model to a new microcosmic model for non - motorized vehicle : vector field model

    根據場的理論,對非機動車受到來自周圍多個運動物體的影響綜合為處在質心位置的一個運動物體的影響,用矢量表示速度與加速度,將相互作用模型擴展為一種新的非機動車微觀模型:矢量場模型。
  10. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  11. The acceleration response of the sprung mass for the quarter vehicle model the suspension system under periodical excitation and certain road uneven random excitations were discussed

    為了反映實車狀況,著重討論了在調和激振和隨機路面激振下變剛度彈簧懸架簧載質量的動態相應特性。
  12. Nothing was said in the preceding discussion regarding the units in which force, mass, and acceleration are to be expressed.

    在前面的討論中,沒有提到力、質量和加速度的單位。
  13. To remove the ambiguity, these laws should refer to the velocity and the acceleration of the center of mass.

    要避免含糊,這些定律所指的應當是質心的速度和加速度。
  14. Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained

    本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式,其中耦合因素包括附加空氣質量、氣承剛度和聲致阻尼以及相對運動速度,並將此理論應用於一氣彈模型的計算,獲得了位移、速度、加速度時程以及加速度均方根。
  15. A force of 1 newton gives an acceleration of 1m/s a mass of 1kg.

    一牛頓的力給予一千克重量的物質以1米的加速度。
  16. The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object

    牛頓第一定律:任何物體都保持靜止或勻速直線運動的狀態,直到受到其它物體的作用力迫使它改變這種狀態為止。
  17. In every case, then the vector force equals the product of the mass and vector acceleration.

    因此在所有情況下,力矢量等於質量和加速度矢量的乘積。
  18. Gravitic launchers are massive railguns where mass drivers trigger the initial acceleration before the ships gravitic field is pulsed to squeeze the missiles toward the enemy at enormous speed

    重力彈射器是大型的軌道炮,使用重力引擎獲得初始加速度,而後用船體的重力場脈沖以極高速度推動導彈飛向敵人。
  19. Based on the phenomenon, this paper introduces the multiple mega - sub controlled frame and its step design method, it can be generalized as the following approach : first, we look for the optimal stiffness of the sub structure to control the deformation of the mega structure under the wind load. second, we optimize the parameters of the turned mass damper ( tmd ) which are installed in the sub structure to have the acceleration be controlled, and then we realize the overall objective. at last this paper uses the ecpm method to optimize the parameters of tmd and utilize simulink to simulate the dynamical response

    本文利用等效最優理論( ecpm )對tmd的參數進行了優化,利用simulink對復合結構進行了動態模擬,結果表明:附加安裝在子結構上的tmd並不會對主結構的動態特性產生大的影響,復合結構和減振結構一樣都可以較好的控制主結構位移響應,而且復合結構經優化后的tmd還較好的控制了子結構加速度響應,所以復合結構體系既可以提高結構的安全性,又可以滿足舒適度的要求,從而證明了本文提出的巨型框架復合減振結構是一種理想的超高層建築結構形式,其將具有廣闊的發展前景。
  20. Parallel kinematic mechanism ( pkm ) has notable features of reduced mass of moving parts and thus increased acceleration reserves, in addition to that, pkm allow the implementation of modular construction methods and a clear improvement in the quality of the machined surface

    並聯機構具有運動質量小的顯著特點,因此應用並聯機構的虛擬軸機床能提高加速能力,顯著改善加工表面質量,而且機床由於能採用許多相同的零部件而降低了生產成本。
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