整流推進器 的英文怎麼說

中文拼音 [zhěngliútuījìn]
整流推進器 英文
contra-turning propeller
  • : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : 進構詞成分。
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 推進器 : impellent
  • 推進 : 1 (推動工作 使前進) push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
  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的建模、非線性自適應滑模控制、以及深度調和水平面導引方法等問題,具體成果和創新點如下1 、根據體力學理論,建立了螺旋槳的動態模型,它以螺旋槳來速度v _ p和螺旋槳轉速n為狀態變量,以電機施加轉矩為輸入,螺旋槳力t和轉矩q為輸出。
  2. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略行分析,提出了給定參考矢量所在區間判斷的簡化方法,以及電壓矢量作用時間的求取方法;分析了電滯環控制策略,導出開關頻率與滯環帶寬以及輸入電感之間的關系;應用瞬時功率理論分析pwm功率控制原理,通過虛擬磁鏈估計有功功率和無功功率,用matlab實現了直接功率控制,並驗證了該控制方法的正確性。
  3. When escape system is activated, the grille wings at the upper fairing will open, supporting frame will pick up the orbit and returning modules, the lock between the returning and propelling modules will release, the lock between the upper and lower fairings will release, escape rocket will be ignited and finally pull the escape flight vehicle away from the rocket

    該系統由逃逸塔和上部罩組成,逃逸系統加上飛船的軌道艙和返回艙構成逃逸飛行。當需要逃逸時,上部罩上的柵格翼打開,支撐機構夾住飛船軌道艙和返回艙,然後返回艙與艙解鎖上下罩解鎖逃逸發動機點火,逃逸飛行飛離運載火箭。
  4. So the paper combined the fuzzy logic control and recurrent neural network, and the recurrent fuzzy neural network ( rfnn ) controller is introduced into the speedsensorless vector control system. moreover, an online parameter training methodology, which is derived from the lyapunov stability theorem and gradient descent method is proposed to increase the learning capability of the rfnn. the rfnn controller has a better performance than the pi controller system ; the effectiveness of the proposed control scheme is verified by simulation results

    因此論文將模糊控制和具有優越動態性能的遞歸神經網路結合起來,取長補短,提出了一種遞歸模糊神經網路控制方法,利用神經網路來實現模糊理,可動態的調隸屬函數的形狀、位置以及神經網路遞歸權值,並對其與pi控制的交調速控制系統行了模擬比較,模擬結果表明與普通的pi控制相比較,遞歸模糊神經網路控制有較好的動態性能,控制的收斂速度快、靜差小,系統在遇到參數發生變化和外部不確定性問題時魯棒性、抗擾動性有明顯的提高。
  5. Then, the cc - pwm linear current control strategy is also studied in detail in this paper, and two improved self - adaptive pi controllers are brought forward on the basis of fuzzy logic control theory and fuzzy logic neural network control theory which sufficiently takes advantage of self - learning capability of neural network. they can greatly improve the dynamic performance and cc - pwm system can achieve fast system dynamic response

    論文深入研究了cc - pwm逆變的線性電控制策略,並提出了模糊自定pi控制和基於神經網路的模糊理自定pi控制兩種改型智能pi控制演算法,其中的模糊神經網路pi控制演算法充分利用了神經網路具有很強的自學習能力的特點。
  6. Especially the paper relatively systemically cleans up and deduces a mathematical model of the ship maneuvering simulation that is fit for the ship maneuvering simulator for the demonstration of the designs of harbor and fairway, which makes a strong foundation for the manufacture of our country " s ship maneuvering simulator for the demonstration of the designs of harbor and fairway. then author designs a sort of twain dimensions ship maneuvering simulator for the demonstration of the designs of harbor and fairway that is based on pc and is fit for the developing country, which provides a piece of trail of the thought for the development of our country " s new generation ship simulator

    探討了運用於港航設計論證的模擬中不均勻場數據的處理方法;比較系統的理、導出一套適合於港航設計論證的船舶操縱模擬的船舶操縱運動數學模型,為我國基於港航設計論證的船舶操縱模擬一步研製工作打下了堅實的基礎;在此基礎上設計了一種基於pc機的,適合於發展中國家的,運用於港航設計論證的二維船舶操縱模擬的框架,希望能為我國新一代運用於港航設計論證的模擬的研製提供一條思路。
  7. Two network analysis and operation algorithms for balanced radial distribution systems, called forward - backward sweeping method of power flow solution and real - time control of capacitors installed on distribution systems, are presented in this thesis. distribution networks have characteristics such as mesh network on planning and radial networks on operation. the radial topology of distribution networks has been fully exploited such that a systematic branch and node numbering scheme is utilized to achieve storage and computational economy

    本文對配電網路中電壓的調,就電容投切控制問題行了深入的研究,在前人研究成果的基礎上,針對配電網路結構特點,提出了採用前法計算配電網路潮,對配電網路就地補償電容的控制採用模糊控制技術,對全局優化控制採用逐次線性規劃演算法。
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