矩形誤差型 的英文怎麼說
中文拼音 [jǔxíngwùchāxíng]
矩形誤差型
英文
rectangular error pattern-
In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically
本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題,新型橢圓凸輪波發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。In chapter 2, author points out firstly that the elastic deformation of elastic units of a robot ' s wrist force sensor will be enlarged by the end - effector, the instruments and the work pieces, so the elastic deformation of the sensor will influence the location accuracy or kinetic accuracy of end point of a robot, under the condition of that the robot technology facing the developing of heavy load, light mass and high accuracy. it is discussed respectively that the relationship between the differential kinemics in the sensor ' s coordinate and the location accuracy or kinetic accuracy of the end point. error matrixes of location and kinemics of the end point are presented respectively based on the differential kinemics in the sensor ' s coordinate, and the on - line error compensation methods are introduced subsequently
第二章首先指出機器人腕力傳感器彈性體的彈性變形經過機器人末端連桿、工具、工件等的放大后,會對機器人末端精確定位和運動產生的影響;然後分別研究了傳感器坐標系內的微分運動與機器人末端工件精確定位、運動的關系;在此基礎上,研究了基於腕力傳感器彈性體微分運動的機器人末端定位、運動誤差的誤差矩陣及其在線誤差補償方法;基於機器人動力學的機器人末端定位、運動誤差的誤差矩陣及其在線誤差補償方法;最後,以puma型機器人為對象,給出了基於腕力傳感器內微分運動的機器人末端定位、運動誤差及其在線補償方法的模擬實例:給出了基於機器人動力學的機器人末端定位、運動誤差及其在線補償方法的模擬實例;模擬結果表明, 1 )基於腕力傳感器的機器人末端定位誤差在腕力傳感器允許的載荷下可達十分之幾毫米級。A kind of complete convergence of sums for negatively associated sequences of non - identically distributed random variables, in the second chapter, is obtained and the requirement of known results are weakened to the condition that absoluted moment - larger than zero - is finite. the strong convergence of negatively associated sequences of non - identically distributed random variables is discussed in the third chapter. in the fourth chapter, after extend the laws of the iterated logarithm of strong stationary case to weak stationary case, we obtain the strong convergence rate for negatively associated sequences of non - identically distributed random variables in linear models
其中第二章討論了一類不同分佈的na列的加權和的完全收斂性,我們把已有的結果對矩的要求放寬到了只要求大於0的絕對矩有限的情形;第三章討論了不同分佈的na列的加權和的強收斂性;第四章首先把文[ 10 ]的關于na的重對數律由強平穩的情形推廣到了弱平穩不同分佈的情形,然後得到了線性模型中不同分佈的na誤差列的收斂速度。In present dissertation, firstly an analytical study on the force and deformation of an er single chain under poiseuille flow is presented from the point of microscopic view. an approximate solution of the poiseuille flow in a tube with rectangular cross is derived from galerkin approach. the balance equation of moment for the er chain is established to avoid using point - dipole model, which is not accurate enough in the case that dielectric particles are adjacent to each other
本文首先從微觀的角度,分析電流變鏈在poiseuille流動中的受力以及變形,分析過程中推導了矩形截面管內poiseuille流動速度分佈的galerkin近似解,並採用理論力學軟索模型對電流變變鏈的受力進行分析,從而避免了點偶極子近似在粒子相距較近情況下引起的誤差。The dynamic matrix control algorithms based on finite impulse response are studied. the model errors are defined in the form of upper and lower bound and the error square sum of impulse response coefficients of single - input / single - output systems. the robust stability conditions are proposed for closed - loop systems using dmc in the form of lmi, which can assure the closed - loop system using dmc algorithm to be asymptotically stable, when the coefficients of characteristic polynomial do n ' t satisfy jury ' s dominant coefficient lemma
浙江大學博士學位論文4 .研究了基於脈沖響應模型的動態矩陣預測控制田mc )演算法,針對單輸入、單輸出系統可能出現的預測模型誤差,分別以脈沖響應系數上下界和脈沖響應系數誤差平方和的形式對預測模型的模型誤差進行定義,根據該定義以線性矩陣不等式的形式分別提出了閉環系統魯棒穩定判據,當閉環多項式系數不能滿足j切嘆主系數定理的情況下仍能保證系統閉環穩定。After analyzed and studied on some algorithms about how to simplify a complex 3d geometric model from home and abroad, this paper proposes the concept of divisional envelope pitch and ameliorates the method of envelope ' s conformation proposed by cohen using the dichotomy in linear search. when a triangle is selected and contracted tentatively, two corresponding divisional envelope pitches should be constructed at first. the divisional envelope pitch is a bit of the whole simplification envelope
本文對當前國內外有關幾何模型的簡化演算法進行了分析和研究后,將三角形收縮簡化操作與包絡控制簡化誤差的方法相結合,利用一維線性搜索中的二分法改進了cohen提出的簡化包絡構造演算法;隨后又綜合簡化包絡的誤差控制方法和二次誤差矩陣的局部性誤差控制思想,提出了一種分解式包絡片的概念。In this paper, we first focus on the anisotropic finite elements and construct a hermite rectangular finite element which can be applied in 2nd order elliptic problem. lt is proved that this finite element has anisotropic property and its error estimate is obtained without the limitation of regularity conditions
本文首先對各向異性有限元進行了研究,構造了一個用於二階問題的hermite型矩形元,證明了該單元具有各向異性特徵,並且給出了與剖分的正則性無關的誤差估計。By debo the opthal object function, along with wt the man oorm ofoint velocities, the posinon conii ' ol modl w on two bp nend netwoiks for redundan thngt twpulators is establisan. the hmpd contidl m for position and foi ' ce is put fotw. bed on bp neural tw, the inare lerc soution and the join driven toiques are obtained
大學博士學位論文位姿誤差模型,該模型形式簡單,適用范圍廣泛;採用控d川器人目標空間轉換矩陣的方法,通過對八面體變幾何析架微動機器人幾點位姿的標定,從而補償其誤差,達到提高機器人位姿精度的目的。On the base of brief introduction simple theory of genetic algorithms, we discuss the value of each genetic operator and the means of genetic operation. correct scheme of genetic algorithms is given out according to the special bolted sphere node. the genetic algorithms optimal program is compiled in the environment of matlab using the method of transferring parameters among the main function and the sub - function
為此,首先分析了螺栓節點球的球心誤差,並通過矩陣變換理論給出計算球心誤差的公式,進一步討論了自動分度角度的計算方法;在簡介遺傳演算法的基本原理的基礎上,對各遺傳運算元的取值及遺傳操作方法進行了討論,針對典型的螺栓節點球零件給出了具體的遺傳演算法執行方案;通過matlab軟體編程環境進行程序的編制,利用主函數和子函數之間參數傳遞的方法實現了遺傳演算法優化,並且編制了圖形用戶界面,對優化結果採用圖文結合的形式輸出。分享友人