方向機動性 的英文怎麼說

中文拼音 [fāngxiàngjīdòngxìng]
方向機動性 英文
yawing maneuverability
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 機 : machineengine
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 方向 : direction; orientation
  • 機動性 : motility; maneuverability機動性準則 maneuverability criterion
  • 機動 : 1 （利用機器開動的） motor driven; motorized2 （權宜; 靈活） flexible; expedient; mobile; manoeuv...
  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. The results of the experiment show that the synthesized index, unsteady index and steady index inflect the stability margin of the compressor well. and show that the insert - board experiment can get the enough weight in the synthesized index. and also show that the low - press - area of the steady total - press moves along the rotor circumvolving direction

    試驗結果表明，綜合畸變指數，動態畸變指數，穩態畸變指數對壓氣機穩定性有很大作用;同時試驗還表明，插板能夠產生較大的動態畸變指數分量;穩態壓力圖譜低壓區隨著轉子轉動方向轉動;以及其他一些有益的結果。
  3. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫向機動航程，高超音速再入飛行時的升阻比，亞音速進場飛行時的升阻比，縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下，用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。
  4. With the development of artillery weaponry and equipment, the combat action has more flexible maneuverability because of self - propulsion of guns, communication digitization ammunition variety and great depth and full altitude extension of operational scope

    隨著炮兵武器裝備向火炮自行化、通信數字化、彈藥多樣化的方向發展，作戰范圍向大縱深、全高度延伸，作戰行動將具有更加廣泛的機動性。
  5. This paper has mainly made a research on the aerodynamic configuration design of " w " tailless aircraft and the design idea has been presented here. according to the configuration design requirement of certain uav, aerodynamic configuration design has been carried out and two configuration projects are given out at last : forward - swept wing tailless configuration and " w " tailless configuration. the longitudinal and lateral aerodynamic characteristics are obtained by using two aided soft : ug to build up geometrical models and mgaero to calculate flow field

    本文研究了「 w 」型無尾布局的氣動外形設計，闡述了該布局的氣動設計思想，根據型無人機的總體設計技術指標，進行了氣動外形設計，提出了兩種氣動布局方案：前掠翼無尾氣動布局和「 w 」型無尾氣動布局，利用ug建模軟體和mgaero氣動分析計算軟體計算了兩種布局的縱、橫向氣動性能，分析了前掠翼前緣掠角和翼身融合對氣動性能的影響，計算結果表明， 「 w 」型氣動布局的設計思想是正確的，所設計的「 w 」型無尾氣動布局方案的氣動性能優越，超過了總體設計技術指標。
  6. The solid - propullant ducted rocket, which combines the advantages of solid propullant rocket and ramjet propulsion, is a new kind of combined propulsion system. it offers considerable advantages for missile propulsion, such as high specific impulse, high speed, light weight, long range, high maneuver and simple structure. as the major direction of the propulsion system for supersonic missile, the ducted rocket has good prospects

    它將固體火箭技術和沖壓技術有機結合在一起，具有比沖高、速度快、重量輕、射程遠、機動性能好和結構簡單等諸多優點，最大限度地滿足了新一代導彈對其動力裝置提出的要求，是超聲速導彈動力裝置的一個主要發展方向，有著廣闊的研究前景。
  7. Based on the analysis of the effects of the various steering - gears used in the auto - trains at present both in china and abroad on their steering mobility, this thesis chooses as its research target the full trailer of all - wheel steering, which has a better mobility, exploring the wheel trace coincidence of a steering auto - train. it mainly covers the following points : presenting the concept of the wheel trace coincidence of a steering auto - train

    本文在分析目前國內外汽車列車各種轉向裝置對汽車列車轉向機動性影響的基礎上，選擇了機動性較好的全輪轉向全掛車作為研究對象，對汽車列車輪跡重合轉向進行探討，並主要突出了以下幾個方面：提出了汽車列車輪跡重合轉向的概念。
  8. To face such competed environment it demand the water transport enterprises enter the market and take part in the word competition and carry out the water transport business according to the regulation and the rule of the world generally. that is to say the should increase the quality and the maneuverability of the service of the water transport but also should have certain storage ability and elasticity of transport to be the matter base

    面對如此競爭的環境，客觀上就要求水運企業必須走向市場，全面參與國際競爭，按照市場經濟的法則從事水上運輸生產與經營活動，亦即水運企業一方面要不斷提高運輸服務質量，增加運輸生產的靈活性和機動性，另一方面還要有一定的能力儲備和運輸彈性作為競爭的物質基礎。
  9. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  10. The great tour purchasing power is the drive power of promoting the region ' s tourism developmentln the regional space, scale economic and regional separation are one of the basic characteristics of promoting tourism industry, so we must arrange the regional tourism industry with a systematic method and give prominence to the central city. for its outstanding area in the regional space, central city has evident superiority in the regional ecnomic development, and has echelon between central city and its periphery scennic spots, which is the inducement mechanism of tourism industry ' s arranging, developing and advancing step by step. for the law of diminishing marginal utility and the theory of equilibrium, the max utility equilibrium of tourism consumption be at the point of tangency of undiscrepancy curve and the cost budget curve

    中心城市居民巨大的出遊力是拉動其周邊旅遊地發展重要的內在驅動力；由於地緣關系，區域規模經濟與地域分割並存，是旅遊產業運動的一個基本特徵，為此必須對區域旅遊經濟進行系統化布局，突出中心城市的產業中心性；因其區位條件獨特，中心城市在區域經濟發展中居於明顯的優勢，與周邊城鄉部位存在經濟發展上的梯次性，這種梯次性是區域旅遊生產力布局、產業發展梯次傳動，最終整體聯動的經濟誘導機制；根據邊際效用遞減規律和旅遊者最大效用均衡理論，旅遊消費效用最大化的均衡在無差異曲線與開支預算線的切點（即旅遊目的地選擇的最佳位置）上，且隨著邊際效用遞減，目的地選擇的最佳位置向遠離中心城市方向移動，這就是中心城市與周邊旅遊地互動關系的經濟學解釋。
  11. Abstract : based on the escape behavior model developed in the previous paper, the case of escape behavior for single person in single room is simulated in this paper to test the practicability of the mode. the escape effects are checked up for three common escape behaviors, the wall - touch moving, random moving, and trend direction moving. this paper gives the calibration of model parameters and assumptions in the simulation model. the result shows that wall - touch moving is the most effective approach for escape in relatively large space. in addition, the major problems of the simulation model and the development possibilities are discussed

    文摘:在我們已建立的避難行為模擬的初步模型的基礎上，為了檢驗該模擬模型的實用性，就單人單房避難情況進行了模擬.檢驗了常見的觸墻移動、隨機移動、大方向移動等3種避難行為模式的避難效果.文中給出了模擬過程中各種參數的計算和設定方法.模擬結果表明:在較寬闊的房屋內避難時，觸墻移動是最有效的避難途徑.在對單人單房避難模擬進行總結的基礎上，本文還探討了上述模型中存在的主要問題及其進一步完善的可能性
  12. Abstract : conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods

    文摘:為解決船舶在向大型化、高速化方向發展時船舶主機設計困難，機艙布置不合理以及機動性能差等問題，提出了一種新型船舶推進方式，即船舶綜合液壓推進.給出了該推進方式的推進原理，通過工況配合特性曲線圖，對其工況配合特性進行分析，對該推進方式的優缺點進行討論並對其重要組件液壓泵以及馬達進行設計計算.結果表明船舶綜合液壓推進具有其獨特的優點，是對現有船舶推進方式的有益補充
  13. Conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods

    為解決船舶在向大型化、高速化方向發展時船舶主機設計困難，機艙布置不合理以及機動性能差等問題，提出了一種新型船舶推進方式，即船舶綜合液壓推進.給出了該推進方式的推進原理，通過工況配合特性曲線圖，對其工況配合特性進行分析，對該推進方式的優缺點進行討論並對其重要組件液壓泵以及馬達進行設計計算.結果表明船舶綜合液壓推進具有其獨特的優點，是對現有船舶推進方式的有益補充
  14. In this system, we designed some new functions, for example, automatic judge running line, automatic judge running direction, automatic adjust the radius of locomotive wheel. and according to the requirement of the locomotive ' s moving safety, the principle of system reliability design is given, strongly strengthen the system ' s reliability design

    在這套系統中增加了諸如自動判斷行駛路線、自動判斷行駛方向、自動調整機車輪徑等以往自動過分相裝置所沒有的新的功能，並根據列車行車安全的要求，制定了本系統的可靠性設計原則，重點加強了系統的可靠性設計。
  15. Utilizing the property that the grains and the mixed stone have different specific weight and suspension speed as well as the airflow that is blown upward through the grains, the machine keep heavy impurity at the lower layer and uses a screen to force the material and impurity to move in different directions, thus separating the two of them

    該機是利用糧食與並肩石比重和懸浮速度不同的特性，藉助向上穿過糧流顆粒料間隙氣流作用，促使糧食與並肩石分級及重雜在下層，二者在往復運動篩板的作用下各自從相反方向運動，從而把並肩石從糧食中分離出來。
  16. Study on braking direction stability of derivative tractor

    變型拖拉機制動方向穩定性研究
  17. The mechanism is divided into finite elements and researched by ked method. then kinematic differential equations are established for each element and the general kinematic differential equations are built through assembling all the elements. a closed numerical method based on the mode superposition principle is employed to solve the equations

    將四連桿機構劃分為多個有限單元，建立其單元運動微分方程和系統運動微分方程，運用實振型疊加法的閉式演算法求出機構在一個運動周期中各個廣義坐標方向的彈性位移，同時求出機構不同位置時各構件上動應力分佈情況、機構前四階振型變化情況。
  18. The small astronomical satellite has demands on both pointing accuracy and attitude maneuverability, so this thesis modeled the attitude control subsystem based on reaction wheels. under the fine precision pointing mode, a pd control law and a variable structure ( vs ) control law were studied respectively, and the simulation validated that vs control is more effective under fine precision pointing mode. furthermore, the vs controller for rapid large - angle maneuver was also designed

    2 ） svom衛星同時對指向精度和姿態機動性有著很高的要求，因此本文建立了基於反作用飛輪的svom衛星姿態控制系統模型，在高精度慣性定向三軸穩定模式下分別設計了pd控制律和變結構控制律，通過模擬驗證了變結構控制對于svom衛星的有效性，並基於變結構控制研究了svom衛星快速大角度機動的方法。
  19. In this paper, we study a new method of automatic detection of target course - altering maneuvers based on a linear measurable function of bearings varying with time when the target travels on a straight line at a constant speed

    摘要根據觀測器目標保持勻速直線運動時目標方位隨時間線性變化的一種可量測函數，研究了一種檢測目標轉向機動的新方法。
  20. Because the method uses the linear measurable function of bearings varying with time, so it is more effective than the normal method which based on bearings of the target directly, and at the same time it can overcome the limits when use the normal method in special situation

    由於該方法將目標方位隨時間變化的非線性關系轉換到另一空間的線性關系，這使得檢測更加有效、直觀，並且能夠克服直接採用方位序列檢測目標轉向機動在特殊情況下失效的限制。
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