dof 中文意思是什麼

dof 解釋
視影深度
  1. Analysis on output speed of parallel robot with planar 2 - dof actuation redundancy

    微雙重驅動機器人系統的研究
  2. Drawback occurred in the classical vssmc can be alleviated in the proposed control scheme because of importing the eliminating chatterer. according to the control strategy put forward above, corresponding controller for abs is designed. quarter braking vehicle model with four dof ( including vertical and longitudinal motions of body as well as vertical and spin motions of wheel ) is built considering the effects of wind resistance, longitudinal inertia forces, the vertical dynamics associated with the suspen

    總之，基於車輛動力學建模，提出並探索了幾種實用且具有高魯棒性的變結構、模糊控制策略在abs 、 asr及vdsc系統中的應用，而後開發了abs的ecu原形，採用實時硬體在環模擬技術，對三種模糊控制策略進行了性能模擬。
  3. Based on the principle of afm ’ s mechanism, with the needs of 6 - dof parallel robot with cubic millimeter movement space and nano - scale movement accuracy, and considering the openness, scope bound and reliability of the adjustment device, this paper build a super - exact device for the measurement of nona - scale surface

    本論文在借鑒原子力顯微鏡原理的基礎上，結合具有立方厘米級工作空間、納米級運動解析度的6 - dof並聯工作臺的實際測量需要，綜合考慮了系統的開放性、掃描范圍和調節裝置的可靠性，研製了面向納米測量定位的高精度表面納米級形貌測量樣機。
  4. Research of a novel 2 - dof planar parallel robot system

    平面並聯機器人系統的研究
  5. Singularity analysis of 6 - dof pss type ' s parallel robot

    型並聯機器人奇異性分析
  6. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性，定位方案等多方面考慮，尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法，並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體，利用體外的組合電磁線圈產生加載電流控制的驅動磁場，其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成，通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度，作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩，從而有效地完成驅動動作要求。
  7. Based on it, a dynamics control experiment platform for a 7 - dof anthropomorphic manipulator has been constructed, and several experiments have been done to illustrate the power of the platform to implement many advanced control algorithms

    在此基礎上，設計了仿人手臂動力學控制實驗平臺，並通過實驗驗證了其實現高級控制演算法的能力。
  8. This is most important on dark days or when a large dof ( depth of field ) is desired

    這在天色較暗或者需要大景深時尤其成問題。
  9. The fewer spatial degrees - of - freedom ( dof ) are always hoped. with the progress in stap being made continually, people find stap can be used in many other radars besides airborne early warning surveillance radars if only the clutter is space - time - coupling

    隨著空時二維處理研究的深入，人們發現它不僅可以應用於機載預警雷達，只要雜波存在空時耦合的特性，空時二維處理都可以發揮作用。
  10. Comparison and design of two different deflection angle measurement system for a 2 dof laser scanner

    兩種二維激光掃描器擺角測量方法的比較和實現
  11. Position error analysis of drive rod hinges on a kind of 3 - dof parallel machine tools

    並聯機床驅動桿鉸鏈位置誤差分析
  12. Using the theory of conformal transformation, the planar figures of the workspaces are mapped. on the study of the spherical 3 - dof serial mechanism workspaces, we can give the reachable workspace, the atlases of reachable workspaces, the mobile workspace and the atlases of mobile workspace of the spherical 3 - dof parallel mechanism which given geometric parameters. from these atlases, we can see that the mechanical function is better when 1, 2 was given and 1, 2 tend 90

    再次對球面機構的性能進行研究，利用保角變換理論將球面機構工作空間在平面中表示，在分析串聯球面機構可達工作空間的基礎上，得出給定機構參數的並聯球面機構的可達工作空間和可達工作空間面積性能圖譜，得出對應于不同靈活度的靈巧工作空間和靈巧工作空間面積性能圖譜，結論表明，在給定機構參數_ 1 ， _ 2的情況下， _ 1 ， _ 2越是靠近90 ，其可達工作空間和靈巧工作空間面積越大；利用雅可比矩陣對機構進行奇異位形分析，得出幾種特定機構參數的奇異位形。
  13. For 2 - dof 5 - bar hybrid driven hinged linkages, ‘ two - step synthesis method ’ has been applied to study its path generation synthesis. firstly, the optimization model for

    首先建立應用rrr級桿組精確再現軌跡的優化綜合模型，然後在運動分析的基礎上建立以rrr級桿組作補償運動的優化綜合模型。
  14. Structure optimization of a novel 2 - dof planar parallel robot

    平面並聯機器人結構參數優化的研究
  15. At home and abroad the theory and experimental research about 6 - dof force / torque sensor are deep analyzed and synthesized. based on these, the pre - strained 6 - dof force / torque sensor is further studied and analyzed. at the same time, the prototype of the pre - strained six - dimension force sensor on the steward platform is produced

    本文針對國內外有關多維力傳感器的理論分析與實驗研究進行了比較深入和系統的分析與綜述，在此基礎上，對整體預緊平臺式六維力傳感器進行了進一步的理論分析和研究，並研製出了六維力傳感器的樣機和實驗標定加載臺。
  16. 8. we demonstrate a mechanism " design example of a 2 - dof rotating mechanism. it incarnates our research work on mechanism design and mechanism analysis

    8 、通過一種二自山度轉動機構的設計，體現了本文在機構綜合、機構分析人仰所做的工作。
  17. When the joints " distribution of the fixed platform and the moving platform are equal, judge the location is or not singularity. regard the determinant values of the jacobian matrix in flexible workspace as estimate guideline, which reduces extremely calculation that has been implemented in the singularity analyses of the 5 - dof parallel mechanism

    本文在靈活工作空間內以雅克比矩陣的行列式值作為評價指標，驗證當定平臺和動平臺都是均布時機構是否處于奇異位形，並在整個工作空間中搜索大大減少對並聯機床奇異位形分析的工作量。
  18. By means of an integral expression of non - linear dynamics equation an explicit precise integration algorithm with four order accuracy and self - correct and self - starting to solve this equation is given. this method is adapted to solve the non - conservative system with multi - dof and strong nonlinear. the non - linear dynamic equations are divided into some blocks or groups

    給出了求解非線性動力學方程的精細積分表達式，利用插值近似該方程的非線性項，得到一個具有四階精度並且是單步顯式、自起步、預測-校正的lagrange （或hermite ）插值精細積分演算法，適于強非線性、非保守系統。
  19. Furthermore, for more accurate simulation, a nonlinear 8 dof vehicle model was used to analyze the step steering response of the rhombic car

    模擬結果表明，菱形車在高、低速時具有快速、穩定的轉向響應特性。
  20. According to the decoupling of type synthesis of mechanism and the relationship between control and error software compensation, the unsymmetrical 3 - dof translational weakly - coupled parallel mechanism for cmm was selected, the positive and negative solutions of mechanism position an error model were analyzed

    根據機構型的解耦性與控制和誤差軟體補償的關系，選擇非對稱型三平移弱耦合併聯機構用於坐標測量機，分析了該機構位置的正反解，建立了誤差模型。
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