水下航行法 的英文怎麼說

中文拼音 [shuǐxiàhánghángfǎ]
水下航行法 英文
submarine navigation
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 航行 : 1 （水中行駛） navigate by water; seaway; sail 2 （空中行駛） navigate by air; fly 3 voyage; 航行...
  1. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。
  2. The content of the study as follow : 1 to choice the ship form, mainly ship ' s overall size ; draft, according to design of shanghai deep - water port and development of container ; 2. to deside the date of width ; depth ; path ; tract and sinkage through simulator tests ; 3. to replenish and modify some date for channel design to very large container vessels in " design code of general layout for sea port " 4. to study ship ' s turning area ; ship ' s stop distance the new and special content of the study as follow : 1. statistics of path at the channel given by difference operators with the affections certain wind. currents. seas and other influences shows the path really needed under certain condition

    並可在各類航道和水域的通航安全評估及操船方法，航跡帶寬度，航道寬度，航跡帶分佈，船舶各種航行狀態時的下沉量研究中應用。本課題研究的內容： （ 1 ）根據洋山深水港設計規劃和集裝箱船舶的發展趨勢，通過研究、分析、比較，選擇最合適的船型，尤其是船舶主尺度和船舶吃水。 （ 2 ）在大量模擬研究情況下，得出進港航道所需的航道寬度和深度。
  3. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括：一、總結分析了當前水下導航的常用方法和不足之處，指出基於航位推算的導航方法，存在著最大的問題就是導航誤差的積累問題，如果沒有修正系統，這種方法很難滿足使用要求；其次指出基於聲學的導航方法，造價昂貴，導航范圍有限，難以滿足自主水下航行器大范圍導航的需求；二、總結了當前水下地形輔助導航的主要技術路線，一是基於地形高程的匹配方法，這是當前研究的重點；二是基於地形圖像的匹配方法，由於缺乏良好的圖像傳感器，和可用的海底圖像地圖，目前這種方法還有待研究發展；三、將兩種地形高程匹配的常用方法應用到自主水下航行器上：以相關演算法為前提的地形輪廓匹配（ tercom ）方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航（ sitan ）方法，前者演算法簡單可靠，但是導航精度不高，後者雖然精度比較高，但存在著演算法較為復雜、有可能發散和出現奇異值等問題。
  4. For five months he works on a great cedar tree, hewing and shaping it until it is seaworthy, only to find that it is so heavy he cannot get it from the construction site to the shore

    五個月里他一直在對一棵巨大的杉樹加工，將它砍鑿成形，直至能夠下水航行，結果卻發現船身太重，無法從工地弄到岸邊。
  5. Nonlinear model based predictive control ( nmpc ) not only is a valuable approach for solving practical control problems, but also is the frontier of nonlinear control theory. the perceptible successes of mpc strategies can be attributed to several factors including its inherent ability to handle input and output constraints, time delay and incorporation of an explicit model of the plant into the optimization problem. this dissertation discusses two kinds of nonlinearity ( or nonlinear system )

    本文沿著理論研究與工程實際相結合的設計思路，較為系統和全面的研究了非線性模型預測控制理論，提出改進新演算法；探討了非線性模型預測控制理論在自主水下航行器控制系統設計中的應用，豐富和發展了模型預測控制理論，本論文的主要工作及意義有以下幾個方面： 1 ）從工程應用的角度研究有限域無終端約束廣義預測控制穩定性充分條件，為有約束廣義預測控制穩定性研究奠定了基礎。
  6. As the cumulate error, inertial navigation system ca n ' t provide perfect position and navigation for the autonomous underwater vehicles ( auv ) in unstructured, complex and instable ocean in a long time. the application of terrain - aided navigation techniques to the updating of an inertia navigation system has been investigated

    慣性導航系統是實現水下導航的一種重要方法，但慣性導航存在累計誤差，為了修正慣性導航的累積誤差，提高導航精度，本文將飛機、導彈等所使用的地形輔助導航系統，應用到水下航行器上，成功地滿足了自主水下航行器的導航需求。
  7. Path planning algorithm for autonomous underwater vehicle

    一種自主水下航行器路徑規劃演算法
  8. Information integration approach for underwater vehicle guidance system simulation

    水下航行器制導系統模擬信息集成方法
  9. The connection of the velocity and self - - noise intensity is studied. then the spectral ana1ysis in the burg method and results is given out in high and 1ower ve l oc i ty

    採集到的數據進行了航速和自噪聲強度關系分析，採用burg法對自噪聲進行了譜分析，最終得到了該水下航行體高速和低速兩種狀態下自噪聲特性的分析結果。
  10. With studying the character of the fairway, the hydrology, the model circumstance, this paper starts with the geog raphical environment at the bridge area, and uses the computer to simulate the navigation track under these situation, then provides correlating data and analyzing method engineer to optimize the position of the piers and seaman to maneuver the ship when they enter the bridge area

    本文從橋區的地理環境出發，通過研究橋區的航道特徵、水文特徵、典型環境條件，建立了相關的數學模型，並運用計算機模擬船舶在這些條件下的航跡，從而為橋梁的選址、橋墩位置的優化以及船舶駕駛員在進入橋區時的航行方法提供相關的數據和分析手段。
  11. An approach to multitask scheduling for underwater vehicle guidance simulation system

    水下航行器制導模擬系統多任務調度方法
  12. Based on apdl, the design language of finite element analysis software ansys, and visual c + +, the software on acoustics design of underwater cylindrical shell structure is developed. when input parameter of the cylindrical shell in the interface redeveloped in this paper, the software execute the batch file of apdl in the vc process to establish the finite element modal and carry out the analysis, the analysis result and the vibration mode can also be displayed. furthermore, the software has been developed to process the acoustics optimization design of the finite cylindrical shell with stiffener in appointed frequency range

    本論文從便於工程實際應用出發，對使用有限元分析軟體進行二次開發以方便結構振動分析及改進結構設計的方法和過程進行了研究，在此基礎上對水下航行器圓柱殼體的結構聲學特性進行了分析，在指定頻率區間，對結構以振動輻射聲功率級為目標函數進行了部分參數的結構優化設計，與此同時，為了方便有限元分析軟體的使用和簡化設計過程中大量重復的工作，利用ansys提供的參數化設計語言apdl （ ansysparametricdesignlanguage ）結合vc對有限元軟體ansys進行了二次開發，形成了一體化的水下圓柱殼體結構聲學設計軟體。
  13. In the last part, depth schedule strategy based on fuzzy inference system ( fis ), and line - of - sight guidance in horizontal plane in the presence of unknown current are studied

    該方法建立在對水下航行器的機動性能和水下環境等先驗知識的基礎上，突出優點是易於理解、操作和修改。
  14. A method for establishing ballistic equation of underwater directional vehicle

    一種建立水下定向航行器的彈道方程的方法
  15. Others predicted that joyon would be unable to handle idec ' s enormous sails or that the boat could lose her mast in the rough conditions that any round - the - world sailor inevitably would face

    還有人預測茹瓦永無法控制愛德克艇上巨大的帆，艇上的桅桿也可能會在惡劣的環境中倒下，這是任何一個環球航行的水手都不可避免會遇到的。
  16. Research on simulation modeling and validation of underwater self - running vehicle

    水下自主航行器模擬建模驗模方法研究
  17. The paper finished software design of automatic system in the kind of auv by using output feedback variable structure control method and non - liner variable structure method

    本文應用輸出反饋變結構控制方法和非線性變結構控制方法完成了某型水下航行器自控系統的軟體設計。
  18. Therefore, we study on the survey method for the statistics of whole industry waterway transportation volume based on the basic units of ships management and waterway traffic safety superintendence - port and waterway superintendence units ( pws units ). in this dissertation, we mainly studied and solved the following three problems : 1

    由此對依託我國的水上安全監督和船舶航行管理的基層單位? ?港航監督所、監督站和監督點（以下簡稱為：港航監督所站）開展全行業水路運輸量統計調查進行了研究，本論文重點研究和解決了方案設計中以下三方面的問題： （ 1 ）依託港航監督所站，進行全行業水路運輸量抽樣調查的具體方法研究和篩選。
  19. This paper researched the asic design in the automation system of a kind of auv with high - level design method based on vhdl high - level synthesis

    本文採用基於vhdl高級綜合的高層次設計方法對某型水下航行器自控系統的集成設計進行了研究。
  20. Aiming at the underwater vehicle in fluid because of problem that fluid and solid coupling produced added mass, in using advanced hydrodynamics to proceed to the added mass the foundation that described, and using modal parameter design theories, the paper put forward according to modal parameter test data identified the method that added mass of the underwater vehicle

    摘要針對水下航行器在流體中由於流固耦合所產生的附加質量問題，在用高等流體力學對附加質量進行描述的基礎上，利用模態參數識別理論，提出了根據實測模態參數來識別水下航行器附加質量的方法。
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