方向導桿 的英文怎麼說

中文拼音 [fāngxiàngdǎogǎn]
方向導桿 英文
direction arm
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 桿 : 桿名詞（桿子） pole; staff
  • 方向 : direction; orientation
  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. Another important aspect in the manufacture of these valves is the clearances at the critical metal interfaces ( wedge / body guides, stem / back seat bushing, etc. )

    這種閥門的製造中的另一個重要方面是關鍵金屬表面（楔形閘板/閥體導向，閥桿/后閥座襯套，等等）的之間的間隙。
  3. The above problems and difficulties could be solved through the following perspectives : attaching great importance to the development of the non - public sectors of the forest economy ; quickening the system innovation and forestry legislation ; cultivating market of living trees ; establishing organizations for evaluating forest resources ; improving the circulating services ; expanding channels of financing ; encouraging the qualified non - public sectors of the forest enterprise to become listed companies ; allowing forest to be mortgaged as assets, guiding the social investment in forestry with the economic leverage ; developing leading enterprises and implementing the operation model of " companies, bases and farmer households " ; and improving the socialized forestry service systems

    通過調研，作者認為應從以下幾方面著手解決上述問題：把發展非公有制林業經濟作為今後一個時期林業工作的戰略重點，加快創新機制和林業法律法規的建設；培育活立木市場，建立森林資源評估機構，做好流轉服務工作；拓寬融資管道，鼓勵具備條件的非公有制林業企業上市融資；允許林木資產以抵鉀形式向銀行貨款；運用經濟杠桿作用，引導社會參與投資；培育龍頭企業，實施「公司+基地+農戶」的經營方式；健全林業社會化服務體系。
  4. This paper, on the basis of analyzing accurately guiding drilling rod receiving strength state, stresses are calculated, has put forward the computing technology of project

    本文在正確分析了導向鉆進中鉆桿的受力狀態的基礎上，進行了鉆桿應力計算，提出了工程計算方法。
  5. And then, the error matrixes of location and kinemics of the end point, and the on - line error compensation method are given based on robot ' s dynamics. finally based on puma robot, three simulation examples are given respectively ; the first is about the location error and on - line location error compensation, the second is about the kinetic error and on - line kinetic error compensation, the third is about location and kinetic errors causing by robot ' s dynamics and the on - line error compensations. the simulation results show that : a ) location error of the end point based on elastic deformation of the sensor will be about millimeter ' s degree under the permitting load, b ) the on - line error compensation methods given are available

    第三章首先概括了目前機器人連桿慣性參數識別的四種方法，總結這些方法的優、缺點；指出這些方法存在的問題是：或者需將機器人解體，不能在線進行參數識別，或者不能給出機器人連桿獨立的慣性參數值，只能獲得慣性參數的組合值，而這些方法的共同問題是：不能考慮機器人連桿的關節特性；本章提出了一種基於腕力傳感器的機器人末端連桿慣性參數在線識別方法，給出了該方法的理論計算和推導；研究提出了以腕力傳感器輸出為前提的、基於newton - euler動力學的機器人動力學正向、逆向遞推公式；針對機器人負載參數辨識必須在線、實時的特點提出了基於腕力傳感器的負載參數在線識別方法，給出了負載參數識別的步驟。
  6. This paper discussed effects of ship swaying motion in waves on ship - based cannon firing in terms of ship motion equation and theory of artillery shoot, including influence on shoot distance and direction

    摘要從船舶在海浪中運動模型出發，結合炮兵射擊學原理，研究船舶搖擺導致火炮基座運動以及桿臂效應導致子慣導初始對準誤差等因素對火炮射擊的影響，主要針對船載炮射擊在距離與方向的影響進行分析。
  7. 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。
  8. Tooth surface equations and contact line equations of the involute worm gearing are established according to its machining methodology. meshing characteristics in rigidity condition are studied. these characters include the inductive normal curvature along the contact line on the worm surface, the first and the second limit lines during the engage of the worm gear, and the influence of the intersect angle between the contact line the relative velocity of the worm and the gear on transmission performance

    根據漸開線圓柱蝸桿傳動的創成方法，建立了漸開線圓柱蝸桿和蝸輪的接觸線方程式、齒面方程式，分析了漸開線圓柱蝸桿傳動的剛性嚙合特性，如蝸桿與蝸輪嚙合時的誘導法曲率、一類界限曲線、二類界限曲線和蝸桿與蝸輪間相對速度方向和接觸線方向的夾角對傳動性能的影響； 2
  9. In the structure of downhole assembly for steering well drilling, the selection of tool stabilizer, upper stabilizer and calculated outside diameters, the selection of screw bending angle have influence on the side force of azimuthal increase and decrease, it can be used for evaluating the deflecting characters of steering drilling, analyzing and designing the steering downhole assembly

    摘要在導向鉆井鉆具組合結構中，本體穩定器、上穩定器的選用與計算外徑，以及螺桿彎角的選用，對用全力增、減方位時的側向力有影響，可用來評價導向鉆井鉆具造料特性，分析和設計導向鉆具組合。
  10. The chloroplast shsp gene was screened from the cdna library of tomato flower by pcr strategy and confirmed by sequencing. but difference was found at 3 bases of the sequence from the reported in genbank. then, an integrated vector prok ii of the chloroplast shsp gene and nptii gene ( a kanamycin resistant gene ) with camv35s promoter was constructed and introduced into tomato mediated by agrobacterium tumefaciens lba4404. transgenic tomato were screened by their ability of growing on media containing kanamycin

    本實驗採用pcr方法從番茄花cdna文庫中克隆到葉綠體shsp基因，經測序證實與genbank中已發表的序列在編碼區相差2個堿基，其中一個堿基導致1個氨基酸的改變。將葉綠體shsp基因定向克隆于帶有組成性表達啟動子camv35s的植物表達載體prok中，凍融法轉化農桿菌lba4404 ，利用葉圓盤法對番茄進行ti質粒介導的遺傳轉化。
  11. The interesting gene fragment with ecori and noti were amplified by overlapping pcr, which inserted into vector plasmid ppic9k after degisted by ecori and noti, and the recombinant plasmid was transformed into competent dh5cc. positive clones were screened by pcr from the lb plate with amp. digesting analysis resulte shows that the interesting gene were inserted into the vector ppic9k with correct direction

    目的基因經雙酶切后連接載體ppic9k ，然後導入大腸桿菌dh5中，在含氨卞青霉素（ amp ）的lb板上用pcr反應篩選出陽性菌落，雙酶切結果表明目的基因已插入載體中，且方向正確，測序結果進一步證明人巨細胞病毒重組基因表達質粒成功地克隆了目的基因片段。
  12. For example, a joystick can be used to select guiding texts or functions. since the screen usually follows that of the input device, the matrix format is flexible and can be used for a matrix of any rectangular shape

    「全方位搜索系統」不限於鍵盤輸入，例如游戲桿也可用作選擇文字或功能向導。由於筆觸式螢幕同時也是輸入設備，使「全方位搜索系統」可隨時重新定義矩陣結構。
  13. According to the basic character of rigid body, the mechanical characteristics of two equal mass particles jointed by a rigid light bar : the momentum and impulse along the bar are equal, using these characteristics, some complex motions of this system can be solved

    摘要從剛體的基本性質出發，導出了剛性輕桿連接的質量相等的兩質點球系統的某些力學特性：剛性輕桿連接的質量相等的兩質點球系統，在沿桿方向上兩質點球的動量分量相等，所受的沖量分量也相等，並利用這些特性解決了該系統的某些復雜的力學問題。
  14. Based on the transfer - matrix method, the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained

    摘要基於傳遞矩陣演算法，推導出了變截面桿扭轉振動時等效四端網路參量的一般表達式，研究了帶類餘弦過渡段階梯形變幅桿扭轉振動頻率方程與角速度放大倍數及外表面切向速度放大倍數等的關系。
  15. Make sure the diaphragm tab and compressor guides are properly located in their body slots by rotating the handle counterclockwise until the stem is in the full up position

    通過逆時針方向旋轉手柄，直到閥桿位於完全上升的位置，確保隔膜接頭片和壓縮裝置導架位於閥體上的相應的槽上。
  16. Firstly based on reading many literatures, the development history and present situation of csmss is introduced and an explicit definition of csmss is defined. the nonlinear finite element method equations are presented in detail, considering the orthotropic material property of the membrane and the wrinkled or relax properties of elements

    詳細推導了索桿膜空間結構的幾何非線性公式，並且針對膜材的正交各向異性特性、膜材的褶皺、索的自重垂度、索的鬆弛等問題採取了相應的有效實用的計算方法。
  17. Furthermore using the variation principle in the elasticity, the wave - motion equation is derived in the finite deformation elastic thin rod with viscous and transverse inertia effects, and the characteristic curves and their characteristic relations are obtained by characteristic line method, and the influence of viscous and geometrical - dispersive effects on the propagation of wave is analyzed

    再利用彈性力學中的變分原理，導出了同時計及粘性和橫向慣性效應時的彈性細桿的幾何非線性波的波動方程，用特徵線法得到它的特徵線和特徵線上的相容關系，分析了粘性耗散和幾何彌散效應對波的傳播速度的影響。
  18. The optimization design of portal crane luffing system is the result that optimization design apply in engineering design, but because the engineering problem is complicated, the traditional optimization design method is not very successful. in this paper, the optimization of the single boom system with compensating pulley and level - balancing weight is studied. in the math model, the wire rope length encircled in the pulley and reel is considered, that enhance the optimization precision and introduce genetic algorithms, combine engineering tightly, that settle the difficult in the traditional optimization successfully

    門機變幅系統優化設計是將優化設計方法應用於工程設計中的產物，但由於設計工程問題的復雜性，採用傳統的優化設計方法優化的成功率及效果並不理想。本文以單臂架變幅機構導向滑輪補償系統和杠桿? ?活對重臂架自重平衡系統的獨立模型及綜合模型為研究對象，考慮了滑輪和捲筒處包繞的鋼絲繩長度變化，從而提高了優化模型的精度，同時引進一種新型優化演算法? ?遺傳演算法，緊密結合工程實際，較為圓滿的解決優化過程中存在的問題。
  19. Its invalidation of turning rupture leads to driving safety problems on the basis of research on the torsion bar spring in the suspension system, the paper finds the way to enhance the performance of the suspension system. the paper establishes the mathematical model of the double wishbone independent suspension, analyses the specific structure in theory, uses the softwares of adams and matlab to simulate the functions which are nearly similar with the actual working conditions. at the same time, the paper adopts the way of parameterized design, programs to adjust the system parameters conveniently and inducts the optimize design with the concrete targets to improve the suspension system performance

    本文的研究方法是通過建立扭力桿與獨立懸架的數學模型，以理論分析為基礎，結合具體的懸架結構，運用adams和matlab軟體，對研究的對象進行模擬分析，使設計人員在近似真實的模擬條件下能夠更好的對目標進行研究；同時，還引入了參數化的設計方法，通過編程，增加了人機互動式界面，可靈活的對懸架導向機構主要構件的空間幾何尺寸進行動態調整；在優化設計過程中，針對汽車懸架運動學、動力學的特定要求，對具體的目標進行優化設計，從而獲得良好的行駛平順性和操縱穩定性。
  20. Machine tool components - method for determination of the pilot diameter of 60 centre holes

    機床零件. 60中心孔導向桿直徑測定方法
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