geometry control 中文意思是什麼

geometry control 解釋
尺寸控制
  • geometry : n. 1. 幾何學。2. 幾何形狀。3. 幾何學著作。
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. Road vehicles. garage equipment. geometry control devices for running gear

    道路車輛.車庫設備.推進裝置幾何測量設備
  2. It is difficult to ensure the steady suspension of the join - structure if the control method of the two suspension points is designed independently, so the coupling force between the two points must be taken into account. in this dissertation, the model of the join - structure is built. the model is decoupled and linearized by differential geometry method

    但是,同一搭接結構上的兩個懸浮點之間具有很強的耦合作用,在對搭接結構進行懸浮控制時,如果對兩個懸浮點獨立進行懸浮控制設計,很難使搭接結構穩定懸浮,因此必須考慮它們之間的耦合作用。
  3. ? to make the solid have realistic surface, we adopt advanced solid modeling method - constructive solid geometry. ? to free end - user from overwork, we presents and realizes many auto - processing algorithms, such as searching of inner - point, definition of polygon ' s counter - clockwise direction, as well as generation of numeric control codes. ? to checkout the collision and interference between cutter and part, we accomplish numeric control machining simulation, which can help end - user validate the correctness and rationality of numeric control codes, so it is needless that do repetitive test - cut before normal manufacture

    正如將在後續章節中所講述的那樣,我們在系統中採用了許多先進的技術,其中主要包括以下幾點:採用分層設計思想,使三維物體的設計得到了簡化;採用先進的實體造型方法,使所建立的實體真實感強;實現了內點自動查找、多邊形方向自動定義等演算法,提高了系統的自動化水平;實現了刀具軌跡的自動生成、優化;實現了數控代碼的自動編寫,克服了手動編寫的缺點;實現了數控加工模擬,能檢驗數控代碼的正確性和合理性,並能自動檢測刀具與工件之間的干涉。
  4. In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes

    在軌道控制部分,研究的主要思想是從整體化的觀點出發定義一種建立在riemann流形上的非線性控制系統,將狀態空間的幾何結構與控制系統的狀態方程建立直接的聯系。在姿態控制部分,研究的主要思想是以整體微分幾何方法為工具,以李群與李代數等數學理論為基礎,從數學角度建立具有良好性能的數學模型,並設計出相應的控制方法。
  5. The suggestion is put forward that adopting the different geometry control condition between rolled h - section steel beam and general i - section steel beam

    本文提出軋制h型鋼的幾何控制條件,並建議將一般工字形截面簡支梁和軋制h型鋼梁分列處理。
  6. Based on the gb50017 code, the geometry control condition of integral stability capacity of homemade rolled h - section steel beam is conservative excessively and is modified accordingly

    本文得出精度更高、適用范圍更廣的計算簡化式。 gb50017關于梁的整體穩定幾何控制條件對國產軋制h型鋼過于保守。
  7. To overcome the shortcomings of differential geometry method in the respect of invertibility and dynamic state feedback, this paper discuss algebra control method. combining linear algebra with dynamic expansion, one method can decouple the nonlinearity through construct the root of nonlinear system by dynamic expanding

    一種方法是採用線性代數理論與動態擴張演算法相結合來對非線性系統進行解耦分析,通過運用動態擴張演算法來構造非線性系統的根而達到對非線性系統解耦控制的目的。
  8. This paper deals with the following three topics with regard to the control of multiple manipulators : 1. deprive the kinematics and dynamical equations of two manipulators with identical structure on the basis of geometry theory, one of which has two links, giving the inverse solution to the kinematics of the system which consists of the manipulators and the grasped object ; 2. by use of load - distributing, design a controller coordinating multiple redundant manipulators whose parameters are known

    基於微分幾何理論推導出兩個具有相同結構的二連桿機器人的運動學逆解及與物體所成系統的動力學方程; 2在假設由多個冗餘機器人與物體組成系統的動力學模型確知的前提下,利用負荷分配法,設計了一種不僅能使關節力矩優化且能按照一定比例分配負荷的控制器,解決了以往控制器的一些缺陷,即忽視各個機器人的實際承載力,導致一些負荷力小的機器人卻必須承擔較大的負載,最終損壞機器人; 3
  9. This thesis deals with the following results with regard to the control systems of satellite : ( 1 ) on the basis of global geometry theory, deprive the representation of state equation for the satellite orbit control system under the geometric restraint, show that the geometrical structure of geometric restraint affect on satellite orbit control system, and study the connection between the equilibriums state of the control system and the geodesies of the geometric restraint

    對於人造衛星控制系統的研究,本論文的主要工作表現在以下幾個方面: ( 1 )基於整體微分幾何理論推導出人造衛星軌道控制系統在幾何約束下的整體化方程,展示了幾何約束條件對人造衛星軌道控制系統的影響。並且討論了具有幾何約束的人造衛星軌道控制系統的平衡態與幾何約束條件之間的關系。
  10. This paper improved these methods based on the requirements 0 there are two methods for conventional orbital control : one is algebra method which deals with the problems by optimization based on orbit geometry characteristics the first method is applied when we adopt impulsive control, but in the multiobjective cases the method has its limitation

    傳統的軌道控制一般基於兩種方法,一種是代數優化方法,這種方法與衛星的軌道幾何特性相結合進行分析,將軌道的幾何特性和優化指標用代數方程的形式表示出來進行求解,這種方法主要用於沖量式控制。
  11. To measure driving expectation speed, this dissertation makes the concept of driving behavior coefficient to calculate degree of power control of driver for vehicle, and related ~ aw is studied between driving behavior coefficient and road geometry, through marking the feature curve of driving behavior coefficient in various type road sections, the calculation model of expectation speed is established

    為推定駕駛期望車速,本文提出了駕駛行為系數的概念,用以衡量駕車人對于車輛的動力控制,並重點研究了駕駛行為系數與道路線形之間的常態相關規律,通過標定駕駛行為系數在各種類型道路區段的特徵曲線,推導了駕駛期望車速的計算模型。
  12. In this thesis, a internal and external analyse and research about design, modeling and machining of ball - end cutters is reviewed. on the base of grinding trait of mk6335a five - axis numerical control drill grinder, in the present study, differential geometry, ruled surface concept, envelope and inverse - envelope theory, coodinate transfer and numeric analyse are used to develop a mathmatical model and systematic method for the design, analyse and simulation of ball - end cutters

    本論文在國內外關于球頭立銑刀設計、建模、加工等方面研究的基礎上,根據現有的mk6335a五軸數控鉆尖磨床刃磨運動的特點,應用微分幾何、包絡與反包絡理論、坐標轉換、數值分析等理論知識,研究了基於五軸數控磨床加工球頭立銑刀的數學模型及分析與模擬。
  13. By analyzing the disadvantage of the parallel rendering load balancing methods based on geometry data analysis, a load balancing method based on time - space conversion is presented which uses time value as the measure of a rendering node ' s work load and uses space value to control the distribution of work load. a reasonable algorithm is used to convert time value to space value

    在分析已有的基於幾何數據分析的并行繪制負載平衡演算法的基礎上,提出了浙江大學博士學位論文基於時空轉換的負載平衡演算法:以時間值直接作為繪制節點負載的度量,以空間值控制負載的分配,通過適當方法完成時間值到空間值的轉換。
  14. Abstract : a new data structure that one link - list was composed of polygon - surface table, edge table and vertex table was proposed to describe the geometry information and topology information of control polyhedron m in the rese arch of modeling with closed surface. compared with other structures which were a pplicable to the work, the structure was understandable, economize and conveniently to modify. after describing the detail of the geometry information, topology inf ormation included in the tables of polygon - surface, edge and vertex, and the poin t - link form of the adjacency multilist between the tables, a concise instance was given in clanguage array

    文摘:介紹了在閉曲面造型研究中,為描述控制多面體m的幾何信息和拓撲信息而設計使用的一種單鏈三表的數據結構.與其他適用與描述控制多面體的數據結構相比,該結構在結合了鄰接多重表方法后的特點是:關系描述清楚,節省存儲空間,方便查找和交互修改形體.在介紹單鏈中三表(面表、邊表、頂點表)所含的幾何信息細節、以及單鏈的三表之間的表示面、邊、頂點拓撲關系的指針的鄰接多重連接方式之後,本文給出了以c語言數組方式簡明描述的數據結構實例
  15. The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr

    2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利用有限元離散( galerkin )方法將控制方程在幾何域上離散,並用差分法得到時間域上的離散方程,並在此基礎上,編制了相應的計算機源程序;有限元求解中,為減小邊界效應的影響,在計算中採取粗細網格結合的方法,順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。
  16. Patterns which are based on experience and experiment and wasteful in time, nonguarantecable in quality. high production efficiently is then achieved. and the same time, this paper puts forward a relative control system, changes and realizes the adjustment of spinning speed and the fixed increasing the technology and application of stone balls, yielding better economic efficienly. in the end of this paper, there is an appendix of computation program edited by c language, the geometry parameters of stone balls

    同時通過恆定總流的能量方程和動量矩方程,確定了風水球轉速的計算方法,建立了相應的控制系統,改變了過去風水球轉速、轉向固定不變的狀況,實現了對轉速轉向的調節,設計了轉向控制系統和轉速控制系統,提高了風水球的技術含量和可觀賞性,從而獲得更好的經濟效益。
  17. The paper research a predominant variable torque clutch ? hyperboloid clutch with rollers. the clutch makes convert mutually between force and torque reality to control transmission with special geometry relation and friction transmission. it is satisfy with the request of modern industry

    本文所研究的是一種性能優越的可變扭矩加載器?雙曲面滾柱加載器,利用加載器接觸表面特殊幾何關系,通過接觸表面的摩擦傳動,實現軸向力與轉矩之間的相互轉換,從而達到控制制動和傳遞動力的目的,可滿足現代工業對加載裝置的要求。
  18. We generated its grid surface on the fuselage or missile body according to the geometry projection relation between aerodynamic components and the bilinear interpolation approach. finally, we successfully developed a new algebra grid generation technique in virtue of the improved four - boundary interpolation. in this thesis, we put emphasis on the researches of aerodynamic inverse design and drag reduction questions for airfoil and wing using euler equations and control theory proposed by jameson

    ( 2 )進行了應用控制理論和二維歐拉方程的翼型氣動反設計,以及有升力約束情形下翼型跨音速減阻問題研究,分別推導了相應的共軛方程及邊界條件的數學形式,並給出了相應的梯度求解公式形式,研究發展了共軛方程及梯度的數值求解方法,成功進行了多個翼型的反設計和減阻問題研究。
  19. In this paper, maccormack explicit time - split scheme, baldwin - lomax algebraic turbulent model and two - steps hydrogen - air nonequilibrium chemical kinetics model are employed to simulate the 2 - d flow fields in a fixed geometry scramjet combustor in different injecting way of fuel in different flight conditions. the results show, in the same entrance condition, the operating mode of scramjet combustor is influenced by the control of fuel

    本文採用maccormack顯式時間分裂法、 b - l代數渦粘性湍流模型及氫-空氣兩步非平衡化學動力學反應模型,模擬了在不同的飛行馬赫數條件下,固定幾何的雙模態燃燒室在不同供油規律下的二維燃燒流場。
  20. The paper is concerned with the control strategies of uncertain nonlinear systems and the application on the ac speed adjustable systems. its main contents includes neural network control, differential geometry control and algebra control

    本文研究了非線性系統的控制策略及其在交流傳動中的應用,主要的內容涉及三個方面:神經網路控制、微分幾何控制和代數控制。
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