艏向 的英文怎麼說

中文拼音 [xiàng]
艏向 英文
heading
  • 艏 : 名詞（船的前端或前部） stem; bow
  1. In order to resolve the strength problem of 74500dwt bulk carrier on launching way, two aspects of problem are investigated in this report : 1 ) the analysis and calculation of the force act on the hull and the launching way when ship launching ; 2 ) the strength analysis and calculation of bottom structure in forward area during ship launching

    為了解決74500噸散貨船下水時船體結構的強度問題，本文主要對兩方面的內容進行了研究： 1 ）船舶縱向下水時的受力分析和滑道反力計算： 2 ）艉浮時艏部區域底部結構強度分析計算。
  2. Bow jet rudder

    艏噴水轉向舵
  3. In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable

    在研究工作中，首先對船舶的簡化模型建立了動力學方程，然後採用線性二次型最優控制方法，編寫程序並計算出船體垂向振動固有頻率和最優反饋矩陣，得到控制前後船艏以及船舯部的位移、速度、加速度、彎矩和剪力歷程圖。
  4. This ferry has a raked forecastle, single deck and double bottom. six meter long x five meter wide steel ramps one each are arranged on bow and stern for cars roll - on roll - off longitudinally

    本船具有前傾艏樓單層甲板雙底，在艏艉部均設有6米長5米寬的鋼質跳板，作為汽車上落通道，汽車可以首尾縱向上落碼頭。
  5. Fault on bow - door apparatus to be solved by using bidirectional hydraulic lock skilfully

    巧用雙向液壓鎖解決某艦艏門裝置故障的難題
  6. The content of the thesis include many scientific fields, such as nautical mathematics, apparatus, ship navigate, communication, artificial intelligence, computer graphic, graphic management and so on. the function of route planning and advanced navigation in the system is based on electronic nautical chart. it bring forward the grid model in route planning, during the course of route planning, it provide ways to settle all kinds of instance ; it figures out the best head bearing of the ship with the real time transfer data from navigation apparatus to the system, accomplish the advanced navigation function in ecdis

    該系統是在電子海圖基礎平臺上來完成航線設計和最優航法功能的，提出了在電子海圖中利用網格模型來進行航線設計的方法，在求取最優航線的過程中，全面綜合地考慮了各種可能出現的情況，並逐一解決；最優航行方法中採用實時獲取船舶導航儀器傳入到系統中的數據，並根據這些數據進行計算，給出船舶當前最佳船艏向，實現基於電子海圖顯示與信息系統的最優航法。
  7. The plan keeps the heading of the vessel close to mean mfh, and does not keeping controlling the sway direction and surge direction

    該方法始終保持艏向接近平均最優艏向，根據縱向、橫向偏差不完全控制縱向和橫向，結果證明既相對最節省能量。
  8. Using 2 - d strip method and the high - speed slender body theory, the heaving motion responses in regular wave of ship with combined appendage are computed. the results are compared with the results of naked ship hull, and the anti - pitching effect of combined appendage is validated. a method of optimizing the seakeeping is provided from the aspect of the ship hull

    因此本文針對船舶耐波性能的優化，提出了一種減縱搖組合附體，將半潛艏和艏鰭安裝在常規單體船上，初步闡述了半潛艏和艏鰭的水動力作用機理，並按照二維切片法和高速細長體理論計算了加裝組合附體后，船舶在規則波中的垂向穩態運動響應，與裸船體的結果進行了比較，驗證組合附體的減搖效果，從船體本身出發提供了?種優化船舶耐波性的方法； 3
  9. When keeping mfh, the force acting on the vessel in the sway direction is lest, this will be of great importance for saving on energy. a technique of searching for mfh based on fuzzy logic is brought up, which adjusts the heading according to the lateral movement of the vessel

    由於在最優艏向上橫向受力最小，對于節省側推功率具有很重要的意義，所以本文又提出了一種基於模糊邏輯的、根據橫向運動進行的自動艏向尋優方法。
  10. And if the heading is not kept, it will be hard to control the vessel, or bring about heavy cost while adjusting the head

    如果不保證艏向，艏向變化幅度較大，調整艏向困難增大，能耗會隨之很快增加。
  11. The technique is independent from measurement values and mathematic formula of environment factors, combining the acquiring for mfh and control, attaining fast response and a high degree of accuracy

    該方法不依賴于傳感器對環境要素的測量，艏向尋優和控制向結合，響應速度快，準確程度高。
  12. In this thesis fuzzy control method is applied to dp system. it has solved the problems such as accurate position - keeping, searching for most favorable heading ( mfh ), auto area keeping control, and has acquired satisfied control effect

    本文將模糊控制應用於船舶動力定位系統，解決了定點定位、艏向尋優，區域保持等問題，取得了令人滿意的效果。
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