飛機運動方程 的英文怎麼說

中文拼音 [fēijīyùndòngfāngchéng]
飛機運動方程 英文
airplane equation of motion
  • 飛 : Ⅰ動詞1 （鳥、蟲等在空中活動） fly; flit 2 （利用動力機械在空中行動） fly 3 （在空中飄浮遊動） fly...
  • 機 : machineengine
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 飛機 : airplane; plane; aeroplane; kite; bird; aircraft
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. Second, by computing the trajectory of the missile and the method of analyzing cep, influences that the fighter ' s height, speed, pitch angle, the deflection angle between fighter and target, and the target moving characters make on the times of fighter attack and missile launch are deeply developed. third, by relating the motion of the missile and the fighter, the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack. criterion of attack effect is proposed focusing on attack time of the fighter, trajectory of the missile and destruction probability to the target

    本文主要完成了以下幾個方面的工作：對導彈可發射區和飛機可攻擊區進行建模，通過對導彈彈道的模擬計算，並運用典型的圓概率偏差精度分析方法，詳細討論了飛機實施攻擊時，飛機的飛行高度h 、速度v 、俯仰角、與目標的偏離角_ x及目標運動特性等對飛機攻擊時機和導彈發射時機的影響；因此，將飛機和導彈結合起來，詳細研究了飛機在垂直平面和水平平面內實施攻擊時，飛機俯沖角和與目標的偏離角_ x對飛機的攻擊范圍的影響；以飛機實施攻擊的時間t 、彈道特性和對目標的殺傷概率p來評判對地攻擊的效果；最後給出典型算例，通過對空地攻擊過程的模擬實現，對飛機飛行過載提出要求。
  2. A integrated flight / propulsion control ( ifpc ) theoretical schema was designed based on this concept and a engineering schema was developed after take consideration of currently engineering condition and the requirements of in - service aircraft upgrade. a auto - flight system was designed which can achieve accurate flight movement control and increase performance of flight task such as ascend, cruise, te

    基於該概念設計了飛推綜合原理方案，並在考慮工程實現條件及現役飛機改進、改型要求后建立了工程實現方案，設計了軌跡跟蹤方式的自動飛行系統，解決了軌跡生成、表示、管理、跟蹤等問題，能夠實現運動狀態的精確控制，提高爬升、巡航等任務的性能。
  3. But the variation of its aerodynamic forces will induce flapping motion and produce the cyclic pitch on the main rotor blades by the bell mixing mechanism. in order to study the effect of bell - hiller stabilizer bar on helicopter stability and control, this paper first analyze the function and the principles, give the flapping equation and a flight dynamic model with bell - hiller stabilizer bar. and then works over the stability and control of uav r - 50 in hover and cruise condition, and analyzed the influence from parameters of the bar to it

    為了深入研究希勒伺服旋翼對直升機穩定性和操縱性的影響，本文首先分析了希勒伺服旋翼的功能和工作原理，推導了伺服旋翼的揮舞運動方程，建立了帶有希勒伺服旋翼直升機的飛行動力學模型，然後以yamahar - 50無人直升機為例，分析該直升機在懸停和前飛時的平衡、穩定性和操縱性，在此基礎上進一步研究希勒伺服旋翼設計參數變化對直升機穩定性和操縱性的影響。
  4. Secondly, towed system is considered as many rigid body systems. according to research approaches of many rigid body systematic dynamics, the towed systematic engagement calculating models is derived ; according to actual course of the towed flight, deriving mathematics model of the course of taking off and towed flight of the towing plane and of carrier rocket, and corresponding parameter calculate models

    其次將牽引系統作為多剛體系統宋考慮，根據多剛體系統動力學研究方法，建立牽引系統約束方程，由此推導出約束力計算公式；根據牽引飛行實際過程，推導出載機、運載器在起飛階段，巡航飛行階段的數學模型，以及相應的參數計算模型。
  5. The application background of thrust vectoring technology on aircraft and its advantages are analyzed. the main characteristics of some type of vectoring nozzles are discussed, the expression of thrust vectoring force and moment are set up. then, the nonlinear motion equations of aircraft with three axes of thrust vectoring are deduced

    本文主要針對推力矢量飛機非線性飛行控制的理論和應用問題進行了一定的探索和研究，進行的主要工作有： 1 、研究了推力矢量在飛機上的應用背景和收益，分析了現有推力矢量噴管的主要形式和特點，給出了推力矢量力、力矩的數學模型，並在此基礎上推導了帶三軸推力矢量飛機的非線性運動方程，為控制律的設計奠定基礎。
  6. The aircraft ' s longitudinal motion short period poles and long period zeros in right plan e may make the aircraft control system be not got by only using qft. so pole and zero assignment by state feedback is needed to change this circumstances and then qft is used to get the control system. simulink results are given to prove at the system meets the requirements.

    飛機縱向運動方程的短周期和長周期的右半平面可能存在零極點對問題，這對飛機控製造成不利影響，直接利用定量反饋理論不能滿足要求。本次論文首先進行短周期狀態反饋極點配置，然後利用定量反饋來解決這個問題。通過模擬分析得到滿意的結果。
  7. 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
  8. Then the steady and unsteady subsonic, transonic and supersonic viscous flows around airfoil and some aircraft are numerically simulated. the 3 - dimensional unsteady navier - stokes equations are solved using the implicit lu - nnd algorithm, with baldwin - lomax turbulent model. on the basis of simulating unsteady viscous flow, coupling the structure dynamics equations, the problems of static aeroelasticity and flutter are investigated for wings and elevator

    在模擬非定常粘性繞流的基礎上，與顫振運動方程相耦合，分別對機翼和全機流固耦合現象中顫振問題進行了研究，準確求解跨音速顫振臨界速度，分析機翼和全機的從亞音速到超音速范圍的顫振規律，並研究分析了機翼飛行迎角變化對顫振速度的影響。
  9. 2. linearizing the fundamental motion equations of the fighters and then establishing the state equations. using nonlinear control system to control the rudder deflexions, and giving decision - making modeling of the maneuver fighting according to the current combat postures of the enemy ' s and our fighters

    2 、通過對空戰飛機基本運動方程的線性化，建立其狀態方程，運用非線性控制系統模型去控制舵面偏轉，並根據敵我機當前的作戰態勢建立機動作戰中的決策模型。
  10. This paper is developed a algorithm to generate airplane ' s 4d approach trajectory, by using fourth order runge - kutta, based on a set of point mass equations of motion, pilot procedure and air traffic control procedure

    本論文是基於飛機質心運動方程組，結合飛行操作程序和空管管製程序，根據飛機的空氣動力學模型、推力模型和實時的大氣氣象模型，用四階龍格? ?庫塔積分法規劃出飛機下降進近4d軌跡。
  11. The thesis describes the conception of the object - oriented modeling and integrated simulaton enviroment, and discusses the below topics : ( 1 ) describe the reasonable structure of the modern fighter simulation system, and design the data transfer interface. ( 2 ) discuss the modeling method of the key subsystem of future fighter system especially the aerodynamics and the control system in detail. ( 3 ) construct the 3d model of the aircraft and scene, and verify the graphic simulation technique based on pc

    本文詳細討論了面向對象建模方法以及一體化模擬環境的基本概念框架及基本結構並在此基礎上提出了合理的現代戰斗機模擬系統結構，設計了模擬系統的數據傳遞介面；詳細討論了現代戰斗機模擬系統關鍵子系統? ?飛機本體、飛行控制系統建模方法；建立了用於研究的飛機以及視景的三維顯示平臺；並在此基礎上實現了實驗性的基於pc的現代戰斗機圖形模擬平臺，對模擬模型有效性確認和驗證工作做了初步的探討，研究比較了傳統飛行動力學和運動學方程和四元數法在飛行模擬中的效果。
  12. Indefinite length being changed into definite one and mathematical model being established, minimum flight distance for flying from beijing to detroit is obtained according to the knowledge of stereo - graph, functions, controlling metrology, computer programming and objects ' inter - movement, which can be put into practice

    摘要利用把不定長轉化為定長和建立數學模型的方法，藉助空間立體圖形、函數、控制測量學、計算機編程及物體間相互運動等知識，解決了從北京到底特律飛行航線最短，應用於實際中。
  13. Simulations show that the average error of the proposed method is reduced 72 % of the traditional method

    對飛機目標角運動參數估計過程的模擬結果表明，與傳統高分辨測角方法相對比，所提方法的平均誤差降低了72 % 。
  14. The mathematical model of new type aircraft arresting system is established in detail, and the unique solution of differential equation and the stability and the motion and control characteristics of the system are proved and analyzed

    詳細建立了新型飛機攔阻系統的數學模型，並對微分方程解的唯一性、系統的穩定性及運動特性、控制特性進行了證明、分析。
  15. A batch of equations with atmosphere turbulence about aircraft movement and others mathematic models ; 2

    給出了一組帶有大氣紊流、陣風影響和推力矢量的飛機運動方程和其他一些數學模型； 2
  16. These landslides go with fluidization peculiarity different degree in course of their motion, and their speed and distance increase several times because of the fiuidization, thereby the disaster area greatly broaden. on the base of above, the paper studies systematically the fluidization of large high - speed rockslides in all its aspects : analyzed the aerodynamic effect in the short - range on the base of the wind turmel experiment, studied the effect of falling into pieces when landslides collides mountain ; studied the accelerating effect through high - speed collide experiment of landslides model ; and the paper reappear the overall process including set - out, collide in the short range, debris flow in the long - range of touzhai large landslide via distinct element method ( dem ), studied the flow law and equation of different type of debris flow resulted from large landslide. as a sample to apply, the paper analyzed fluidization mechanism of touzhai landslide

    基於這一點，本文對大型高速巖質滑坡的流體化現象進行了全面而系統的研究：通過風洞模型實驗，研究了大型高速滑坡凌空飛行階段的空氣動力學效應，研究了飛行中滑坡巖體在與途中不動山體發塵碰撞時的解體破碎效應，通過滑坡巖體高速碰撞模型實驗研究了滑坡巖體解體破碎後部分巖體的加速運動效應，並應用離散單元法再現了雲南頭寨溝大型滑坡啟動高速、近程碰撞、遠程碎屑流運動的全過程，研究了巖體解體破碎后形成不同類型碎屑流的運動規律及運動方程，並對頭寨滑坡流體化運動機理進行了實例分析，取得了以下主要結論和成果： （ 1 ）對于大型高速滑坡，大多在啟程活動階段已獲得了高速，這使得這類滑坡在其離開剪出口之後以凌空飛行的形式向前運動，在其飛行過程中，滑坡巖體與空氣強烈作用，並產生空氣動力學效應，滑坡巖體在因碰撞而產生的解體破碎效應及部分巖體的加速運動效應的作用下，在遠程活動階段，以高速碎屑流的形式向前運動。
  17. The performance of adaptive spectral estimation is analyzed. the amti algorithm and adaptive spectral estimation algorithm are compared through the results of computer simulations and a pragmatic radar data

    分別採用計算機模擬回波數據和一組真實的飛行數據，對該方法和amti兩種運動雜波抑制技術進行了比較和分析，為工程實現做理論準備。
  18. Experimental modal analysis based on ambient vibration is mainly to deal with the engineering problems from with we can hardly achieve the input signals, such as the operational modes of a flight vehicle during the flight or the dynamic behavior of a large - scale structure like an offshore platform, a bridge as well as a skyscraper on which we can ’ t exert a heavy kick

    基於環境振動的實驗模態分析主要針對一些激勵不可測的工程問題，如研究飛行器在飛行中的運行模態，或諸如海洋平臺、橋梁、摩天大樓之類難以施加激勵的大型結構的動態特性。本文重點研究了隨機子空間方法在環境振動模態分析領域的應用。
  19. To use the dynamic mesh model, it is necessary to provide a starting volume mesh and the description of the motion of any moving zones in the model. this paper describes the motion using a c program, a user - defined function ( udf ), to calculate the linear and angular velocities from the force balance on the store

    與此相映，動態網格計算技術是最近兩年計算流體動力學最新發展成熟的重大成果，並且在先進的cfd計算軟體中得到了實際的應用，開始為計算飛機投彈之類復雜相對運動造成的時變流場等領域提供了實際可行的工程方法。
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