通用坐標系 的英文怎麼說

中文拼音 [tōngyòngzuòbiāo]
通用坐標系 英文
world coordinate system
  • : 通量詞(用於動作)
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • 通用 : be in common use; be current; apply or be used universally
  1. This paper applies kami ' s method to analyze conservative scheme in lagrangian coordinate, and then selects one of upwind schemes which do not show oscillations, finally applies it to construct high resolution scheme. numerical flux of one order scheme is used near interface, while numerical flux of high resolution scheme is adopted in other area

    本文在對lagrange下的守恆型格式進行詳細分析后,甄選出不震蕩的一階迎風型格式,然後應於lagrange下的高解析度格式,在物質交界面處採不震蕩的一階迎風型格式的數值量,而在其餘地方採高解析度格式的數值量。
  2. Mobilizable coordinates in the use of the system detection ordinary small dimension measurement precision to repeat : measuring length 、 measuring round coordinate system for the 0. 3 m, measuring angle coordinate system for the 2

    統在使可移動法檢測普微小尺寸測量重復精度達到:測長度、測圓為0 . 3 m ,測角度為2 。
  3. It also roundly researched the solution of the helmholtz equation in the circumrotating ellipsoidal coordinates, and discussed how to calculate the solution of the electro - magnetic field in the circumrotating ellipsoidal coordinates using special functions, and researched circumrotating ellipsoidal cavity ’ s latent value and quality parameter using arithmetic simulation, finally we compared the ellipsoidal cavity with the spheriform cavity. the main content of this thesis are as following : 1. calculated the distribution of the electro - magnetic field inside the ellipsoidal cavity based on maxwell equations and boundary conditions, and confirmed the syntonic mode inside the ellipsoidal cavity using arithmetic methods

    本文從maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈,較為全面的研究了旋轉橢球下赫姆霍茲方程的解的問題,討論了特殊函數來求解旋轉橢球下電磁場的解,並過數值模擬研究了旋轉橢球諧振腔的本徵值和品質因數,並和球形諧振腔做了比較,主要內容為: 1 .maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈,並且分析了橢球腔內的諧振模式。
  4. The vision sensor is fixed on the end - effector of the robot. when the robot makes a linear movement along the " v " measurement track, the linear light from the laser electropult on the sensor is projected on the track to shape laser strip with three turning dots and imaged in ccd camera. the relation between the sensor coordinate and the measurement track coordinate can be computed by image processing and pose measuring, which indirectly describes the characteristic of the robot ' s linear trajectory

    統利結構光幾何成像原理和視覺圖像處理技術,將視覺傳感器固定在機器人末端,當機器人沿「 v 」形測量軌道做直線運動時,傳感器上的激光發射裝置發出的線狀光源投射在測量軌道上,形成具有三個拐點的激光條,並在ccd攝像機中成像,過圖像處理技術和位姿測量技術,得到傳感器相對于測量軌道的位姿關,從而間接描述機器人的直線軌跡特性。
  5. The very important works by the researchers in the modeling and control for flexible manipulators are introduced ; the equations of the non - holonomic constrain and dynamics are formulated. on the base of dynamic model function derived by the planar two - link flexible manipulator, the model function can be obtained by coordinate transformation ; at last the control scheme based on model of the system is put in to use to insure track desired trajectory of joint angle

    在第四章中,首先,我們對柔性機械臂的動力學建模和統控制問題做了比較全面的介紹;然後,運lagrange方程並結合假設模態法建立了平面兩桿柔性空間機械臂統的動力學方程。在此基礎上,變換導出了以可測關節角為控制輸出變量的統控制模型,基於此控制模型提出了柔性空間機械臂關節運動的動力學優化控制方案。
  6. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常車輪的數學模型,推導出了一個的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使muir和newman的運動學建模方法,推導了移動機器人上點及連桿位姿、速度變換關矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應與考核證明其中的分析與設計是切實可行的。
  7. For the bundle with small number of fibers, the discrete common model is proposed by building a 60 coordinate system ; for the bundle with large number of fibers, the integral common model is proposed by introducing a parameter called distribution density of the distance between fiber axes ; furthermore, the model of combined fiber bundle sensors is introduced

    對于小數目光纖組成的光纖束,過建立60角來分析不同排列形式的光纖束,建立了離散式模型;對于大數目光纖組成的光纖束,過引入軸間距分佈密度參量,建立了積分式模型;進而給出了組合式光纖束傳感器的模型。
  8. Taking the characteristics of road and bridge engineering into account, this paper makes systematic analysis and study on applications of static gps in data processing of surveying in road and bridge engineering : the feasibility of using single point positioning result as starting point is studied and the influence of it on baseline solution is discussed ; on account that the software provided along with instrument by vendors usually does not support coordinates in the independent engineering coordinates system from gps observations, a simple and effective method is represented for the gps data processing in the independent engineering coordinates system and is programmed. through real examples the method and programs are testified ; from gps surveying the wgs - 84 coordinates are acquired, while in reality coordinates in local coordinate system are needed, so conversion from wgs - 84 coordinates to local coordinates is necessary

    結合路橋工程的特點,對靜態gps在路橋工程式控制制測量中的數據處理作了統的分析和研究: ?對單點定位結果作為起算點的可行性進行了研究,並探討其對基線解算的影響; ?鑒于商家提供的隨機軟體往往不支持利gps觀測得到工程獨立,為工程獨立gps數據處理提供了一種簡便有效的方法,並編制了相關的處理程序,過實例驗證,程序是正確的、方法是可行的; ? gps測量得到的是wgs - 84,而實上需要的是地方,因而得把wgs - 84轉換地方
  9. This paper provides the general equations of the theoretical contour line and the actual contour line of roller translation follower and roller oscillating follower disc cam in the polar coordinates system and the rectangular coordinates system, respectively. the equations are not only fit for the different layouts of the relative position of follower and cam, but also fit for the different types of cam contour

    分別給出了滾子直動從動件和滾子擺動從動件盤形凸輪的理論廓線及實際廓線在極與直角下的方程,它們對于從動件與凸輪相對位置的不同布局方式及凸輪輪廓的不同類型均適
  10. Object for the circle, we should be able to draw the whole thing by moving the user coordinate system around and drawing one or other of these two objects

    對象代表圓,那麼我們就可以過移動和畫這兩個對象中的一個或其它的對象而畫出整個圖像。
  11. To avoid collision with static and dynamic obstacles, the magnitude and direction of the acceleration of mobile robot was adjusted dynamically in real time based on the relative acceleration information

    相對中,採包含相對加速度信息的避碰演算法,過動態實時地調整機器人加速度的大小和方向,使其避開障礙物。
  12. Under the circumstance that the camera is moving, the tracking rectangular coordinates are founded, and the relationship between the tracking rectangular coordinates and the forecast rectangular coordinates is given. the angle control formula of the camera & pan - tilt - device system is educed with its vision coordinates, which provides theory basis for moving vehicle tracking

    在攝像機運動情況下,建立了運動車輛跟蹤,並得出了運動車輛跟蹤與預測之間的轉換關過攝像機-雲臺統所採的視覺,推導出了攝像機-雲臺統轉動的角度控制公式,為運動車輛的跟蹤提供了理論基礎。
  13. Based on the primitive system, a logical device coordinate and its normalization function were defined to enhance the ability of device - independent, an input - output hierarchy model of application system in distributed interactive simulation was proposed, and an instance of the model was listed based on com

    在研究分析已有原語統的基礎上,過定義邏輯設備及其中的歸一化函數強化了設備無關性,提出了一個分散式交互模擬應統輸入輸出層次模型,並基於com技術對該模型進行了具體實現。
  14. 9. by the research of metric tensor and riemann tensor on riemann manifold, we get the inherent curvature of configuration space belonging to parallel mechanism. so the relative coordinates and generalized coordinates are inevitable choice for parallel mechanism. 10

    9 、過對度量張量和riemann張量的研究,得出並聯機構運動可達子空間的內在「彎曲」性質,指出使相對和廣義是研究並聯機構運動學和動力學問題的必然選擇。
  15. This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement, easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented

    該方案由於引入了定子電流勵磁分量的閉環控制,使統同時具有轉速和勵磁調節兩個調節道,具有如下優點:一、解決了超同步工作工況不穩定的問題;二、提高了定子側的功率因數(與轉子側功率因數為1相比) 。三、由於速度調節在轉子下進行,並以轉子電流矢量定向,所以無須轉子位置傳感器,也不檢測初始位置,易於組成無速度傳感器雙饋調速統。
  16. In the proposed technique the bemf waveform of bldcm need to be measured in advance at first, through computer simulation and frame transformation, the optimum q - axis current command is achieved. in order to minimize the torque ripple, the d and 0 - axis current command should be zero. furthermore, through reference frame transformation from dqo - axis to abc - axis, we can get the optimum current command in static abc reference frame

    在這種控制方法中首先測量出電機的實際反電動勢波形,然後過計算機擬合和變換,求得產生恆定電磁轉矩所需的q軸電流,令i _ d ~ * = i _ 0 ~ * = 0 ,變換,得到三相靜止a - b - c下的參考電流i _ a ~ * , i _ b ~ * , i _ c ~ * ,利電流滯環控制來產生pwm信號,由於這種控制方法中電流不會突變,從而可以較好的抑制轉矩脈動。
  17. Thus for non - coincident nodes, a special reference coordinate system is available termed a uniaxial reference coordinate system

    因此,對于非一致性的節點,常要使單軸參考
  18. ( 2 ) link coordinates of the manipulator were set up by denavit - hartenberg method. simultaneously, forward kinematics and inverse kinematics was modeled through homogeneous transformation and jacobian matrix was reached as well, which provided the basis for kinematics analysis, simulation and performance optimization

    ( 2 )採denavit - hartenberg方法設定了番茄收獲機械手桿件過齊次變換建立了正運動學與逆運動學模型,獲得了番茄收獲機械手雅可比矩陣,為機械手運動學分析、模擬與性能優化奠定了理論基礎。
  19. Presents the new independentmodal - space variable structure control for flexible structures with distributed parameter model, which is decoupled into a number of 2 - dimensional subsystems in terms of coordination transmission where, the variable structure control law is designed within the given boundary of structural uncertainty and disturbance, and concludes from simulation results that the algorithm is not only simple so as to accomplish in real time, but also is very robust

    對具有分佈參數模型的撓性結構提出了模態空間變結構控制方案,利變換把整個統分為若干個獨立的二維模態子空間.在每個獨立的模態子空間內,在給定參數不確定性范圍和干擾力矩范圍的情況下,設計變結構控制控制器.過模擬驗證了控制演算法的有效性;控制演算法簡單,易於實時完成,又具有較好的魯棒性
  20. On the other hand, the results of asphalt four components analysis experiments indicate that using the ratio of resin and aspartames to evaluate the asphalt adhesion is reasonable and sound. at the same time, the author makes use of rectangular reference frame to analyze the correlation between the asphalt four components and the adhesion ; and it can be concluded that the rectangular area of the asphalt four components in rectangular reference frame has good relations with the asphalt adhesion

    過對瀝青的四組分分析,試驗結果表明:採膠質與瀝青質的比值來評價瀝青的粘附性是可行的;同時,提出利矩形來分析瀝青的四組分和粘附性之間的內在聯,結果表明:矩形下瀝青四組分的四邊形面積與其粘附性有相當好的相關性。
分享友人