約束節點 的英文怎麼說

中文拼音 [yāoshùjiédiǎn]
約束節點 英文
restraint joint
  • 約 : 約動詞[口語] （用秤稱） weigh
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 節 : 節構詞成分。
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 約束 : keep within bounds; restrain; bind; bound; boundage;tie; restraint; restriction; engagement; repr...
  • 節點 : [電學] panel point; hybrid; packing; node; nodal points; joint of framework; pitch point; point pitch
  1. In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements

    本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。
  2. Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete

    4 、應用大幅度轉動約束單元、非線性彈簧阻尼單元、三維五節點接觸單元分別模擬自行火炮履帶板之間的轉動約束連接、懸掛非線性振動及負重輪與履帶板之間的接觸和履帶板與地面的接觸問題；根據材料非線性理論，提出利用drucker ? prager材料建立土壤的非線性有限元模型。
  3. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究，用模糊區間來描述實際的負荷情況，並用負荷的模糊區間值計算配電網的潮流，得到有功功率損耗和電壓的模糊區間值，使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況；將改進遺傳演算法與模糊集理論相結合，通過求解多目標函數和約束條件的模糊集合的交集，得出網損率和節點電壓最大偏移量最小的最優運行狀態。
  4. The time complexity is low because only shortest paths connected to relay nodes is compared. simulation results show that fairly good cost performance is achieved. there is trade - off between complexity and performance

    由於比較了通過中轉節點后的最短路徑，因此運算的復雜度大大降低，且通過模擬得到了較好的性能，模擬結果表明sp - dvma演算法是一種低復雜度的時延和時延差約束的多播路由演算法。
  5. The delay and delay variation constrained minimum steiner tree problem is also researched. lcdvma ( low - cost delay variation - constrained multicast algorithm ) is proposed for this problem. low time complexity, low cost and constrained delay and low delay variation are achieved by only comparing minimum delay paths and minimum cost paths

    對于時延和時延差約束的最小steiner樹問題，提出了一種基於最小時延路徑和最小費用路徑的演算法?一lcdvma演算法，由於該演算法比較了通過中轉節點后的最低費用路徑和最短時延路徑，降低了運算復雜度，通過模擬得到了較小的網路費用和時延差，因此lcdvma演算法是一種具有低復雜度的時延和時延差約束的最小steiner樹的啟發式演算法。
  6. When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved

    分析斜支承連續曲線箱梁橋時，採用考慮翹曲作用的曲線格子梁分析方法，應用矩陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析，考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致，引入支座節點坐標矩陣，使得梁端的位移未知量與斜支座約束方向一致，來計算單元剛度矩陣和單元節點力，然後按照矩陣位移法組集總剛並建立結構剛度方程，根據結構剛度方程即可求解未知的節點位移及桿端力，推導出任意截面處的內力計算公式。
  7. Finally, we convert this optimal problem to a nonlinear parameter optimization problem by collocation method. these studies examine the collocation method in case of equally or non - equally spaced division points, and in case of different numbers of nodes

    本文採用直接搜索法和節點配置，將連續動態最優控制問題轉換為靜態離散的數值優化問題，並對狀態和控制變量的約束進行轉化。
  8. At last, under the environment of matlab, taking the track of zmp as the restrain and the minimum accelerations of joints as the optimizing aim, the parameter, which is supposed in the walking pattern design based on parameter, is optimized by genetic algorithm

    最後，在matlab環境下採用有約束的遺傳演算法，以zmp點的軌跡作為約束條件，以關節加速度最小為優化目標，對參數化步態設計中的參數進行優化並進行模擬。
  9. Abstract : in mixed - interface modal synthesis method, the substructural displacement is considered as the synthesis of the elastic displacement to interface free - points and the implicated displacement produced by the fixed - points

    文摘:在混合界面模態綜合法中，子結構的節點位移被視為相對于對接界面約束節點的彈性變形和伴隨約束節點的牽連運動位移之和。
  10. Then, made use of software ansys to calculate the strength of a catamaran ferry structure, applied the formulae deduced in chapter 3, selected reasonable restraint form, in the whole ship computing result further verified the formula then on the base of a model of the whole ship, used fea to study the hull connecting structure with the limit of strength, deduced the useful assumption for after research

    並將計算的重要環節連接橋單獨取出，進行專門的簡化模型推導，根據連接橋上與片體相連處節點的受力情況分析應力分佈規律，尋找合理的載荷施加方法，並根據實際情況對模型進行約束，使連接橋單獨計算的結果與全船計算相吻合，從而達到模擬全船的簡便計算的目的。
  11. In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan

    本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功率為目標函數，指定送端系統和受端系統中參考調節的發電機，指定故障集情況下，以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件，採用內點法和行主元約當逐行消去法求解問題的最優解。
  12. The findings above confirm that there exsists three transfer mecha - nisms in the joint, that is, the truss mechanism, the diagonal strut mechanism, and the confinement mechanism

    以上結果確認了節點中存在三種傳力機構，即桁架機構、斜壓桿機構和約束機構。
  13. Consequently, in order to optimizing the saving behavior and harmonizing the economy development, it is essential that ( 1 ) to perfect the price system of farm produce in order to improve the level of income of rural residents ; ( 2 ) to safeguard the right of land and social security to reduce the uncertain anticipation ; and ( 3 ) to reconstruct china ' s agricultural credit system to release the restriction of fluidity. the main innovation points in this thesis are as the following. the analysis framework of saving behavior of rural residents has been put up

    因此，為了改善中國農村居民儲蓄行為，加強宏觀經濟調控，必須完善農村市場價格調節機制，保證農村居民收入的穩定增長；為農村居民提供相應的社會保障制度，降低其對未來收入特別是支出方面的預期尤為重要；加強農村公共物品市場體系建設，縮小城鄉以及地區間的收入差距；政府應當重點考慮規范正規金融市場與強化農村正規信貸市場，解決農村居民的流動性約束問題；幫助農村居民確立合理的消費期望，培養農村居民把握消費的自主意識及合理進行消費決策的能力。
  14. For the methods based on constraint residual, they can be used to only tell which node is imbalance but cannot identify where the gross error is. in order to avoid these problems, this thesis proposed a new test method. the new method combines an f - statistic with constraint residual statistic to detect gross errors in steady state processes

    這種方法即避免了基於測量殘差的檢測方法會將顯著誤差分散到各個測量值中去的缺陷；又避免了基於約束殘差的檢測方法只能對節點的平衡性進行判斷，而無法確定顯著誤差的具體發生位置的缺陷。
  15. The paper adopts provision function competition model to study two - knots power transmission system and four - knots power transmission system and obtains several different research results from traditional economics theory. for the two - knots power transmission system with power transmission capacity restriction, incomplete competition between producers really increase profits of power plants, but it does not change apparently electricity price and power consumption of consumers. the reason is that profit increment of power merchants comes from fees of power transmission right owner

    本論文採用供應函數競爭模型，研究了兩節點和四節點的輸電系統，得到了幾項與傳統的經濟學理論不同的研究結果：對於一個帶有輸電容量約束的兩節點輸電系統，生產者（發電商）之間的不完全競爭確實增加了發電商的利潤，但是並沒有明顯改變消費者（用電）的價格和電力消費（生產）量。
  16. With this approach, the surface model can approximate inner scattered points and interpolate boundary conditions while keeping the global gl continuity. actually, the study on the theory and technology of b - spline surface reconstruction with complicated boundary constraints is an essential and innovative point of this thesis

    實際的運行例子表明，基於這種方案創建出來的曲面模型不僅能夠可調節性地逼近區域內部的散亂數據點，而且同時能夠插值于要求的邊界約束條件，從而保證整個曲面模型的全局g連續性。
  17. The multipath olsr protocol will calculate all of possible paths from the source node to destination node. then, it should select one of paths with less congestion nodes for the second path. the paper has designed an effective algorithm of load assigned, to avoid overwhelming some central nodes in the network

    多路徑將選擇一條擁塞程度更輕的路徑作為備用路徑，這樣可以減輕中間部分擁塞節點的處理負擔，將網路負載分配到全網所有節點，即達到負載均衡的效果;二是為了提供qos業務而改進的olsr約束路由協議。
  18. Abstract : this paper developed time domain integral constraints on error response for siso feedback control systems caused by nominal plant ' s near cancellation of stable pole - zero near the j - axis. these integral constraints should be satisfied by any feedback control systems. these integral constraints give new insight into the inherent trade - offs. it will result in the settling time longer or the infinite norm of the error response larger when there are near cancellations of stable pole - zero near the j - axis. hence, when feedback control systems are designed, it is necessary to avoid the compensator ' s poles and zeros nearly cancelling the nominal ' s zeros and poles ( even if these poles and zeros are stable )

    文摘:導出了單輸入單輸出反饋控制系統誤差響應基於名義系統穩定的零、極點近似相消的時間域積分約束，此積分約束是任何反饋控制系統均應滿足的.這一約束給出了單輸入單輸出反饋系統固有折中的新的觀點.名義系統穩定的零、極點近似相消的存在導致反饋控制系統的調節時間延長或者誤差響應的無窮范數變大.因此，在反饋控制系統設計中，盡量避免補償器的零、極點與名義系統的極、零點近似相消（即使這些零、極點是穩定的）
  19. To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented

    避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象，研究了連續體結構拓撲優化過程的拓撲分析方法，以及在計算機上實現的簡便演算法.根據代數拓撲理論，單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念，在計算機上實現了結構的拓撲描述及拓撲運算，得到了結構在拓撲演化過程中的拓撲特性，方法簡單、可靠.在一定的拓撲約束下，根據應力分析結果，採用刪除單元、單元退化、移動節點等方法，可以用較少單元得到更為滿意的結果，提高計算效率.為演示方法的有效性，給出幾個包括常見經典問題的解答
  20. The first two mechanisms transfer joint shear, while the third inecha - nism provide ductility and energy dissipation capacity by confining the joint core concrete from lateral expansion

    前兩個機構直接傳遞節點剪力，后一個機構則通過約束節點核心區混凝土的側向膨脹提高節點的延性和耗能能力。
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