螺旋槳轉速 的英文怎麼說
中文拼音 [luóxuánjiǎngzhuǎnsù]
螺旋槳轉速
英文
airscrew speed- 螺 : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 槳 : 名詞1. (劃船用具) oar; paddle 2. (螺旋槳) propeller
- 轉 : 轉構詞成分。
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 螺旋槳 : [機械工程] screw propeller; propeller; screw; blade; airscrew; propeller screw; propelling screw...
- 螺旋 : 1 (具有螺紋的圓柱體 屬于斜面類的簡單機械) corkscrewspin; screw; spiral; helix 2 (螺旋現象;尾旋...
- 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
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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。The experiment can obtain the driver and the torsion of the screw propeller of relative speed and is an important method to analyze the efficient part of push
船模自航試驗可獲得對應航速螺旋槳推力和轉矩,是分析各種推進效率成分的重要手段。A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study
在matlab下建立了電機的數學模型,通過計算機模擬,驗證了數學模型的正確性,同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究,提出了一種用模糊控制的方法實現恆功率控制,並對驅動器進行了系統模擬,成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器,控制無刷直流電動機驅動太陽能無人飛機的螺旋槳,為後面繼續研究工作提供了參考。The propeller may be overloaded which caused by some reasons when ship has been serviced for a period of time. as a result, the rated revolution of the engine cannot be achieved, or the engine may be on overloaded operation condition. it will not be in the optimum matching between the propeller and the engine
船舶在使用過程中,常因各種因素使螺旋槳出現負荷過「重」的現象,主機達不到額定轉速或超負荷運轉,槳機不能處于最佳匹配;另外當船舶人為地降速航行時,主機處在半負荷情況下工作,如果轉速下降太多,使得主機的工作條件變壞,容易引起主機部件的損壞。A cascaded architecture is adopted, where desired propeller rate of revolution is generated by solving a static 2nd order equation with a parameter of desired thrust force, which is the input of the speed / position tracking control
在推進器動態模型的基礎上,採用滑模控制的方法,由速度位置誤差獲得期望推力,再通過求解包括來流速度的二次方程得到期望螺旋槳轉速。Keeping well away from the propeller, adjust the engine to maximum rpm with the mixture adjustment screw marked with an " h "
跟螺旋槳保持距離,推油門全開.轉進標記" h "螺絲求取最高轉速。Meanwhile, the mathematic model of torpedo ' s electrical propulsion system is established, which is composed of zn / ago batteries, two step shifting electrical equipment, cooterrotating dc motor and counterrotating propellers. the torpedo electrical drive system ' s changing regulations in stining, shifting and stopping ttansient process are exposited as well
同時對由鋅銀( zn / ago )電池、兩級變速電器、雙轉推進電機和對轉螺旋槳組成的魚雷電動力推進系統建立了系統數學模型,揭示了由雙轉推進電機和對轉螺旋槳為主組成的魚雷電動力推進系統在啟動、變速和停車的暫態過程中的變化規律。In this papef, the torpedo ' s counterrotating propulsion dc motors ( including series excitation motor and permanent magnetic excitation motor ) are the core to stlldy ; combining the characteristics of battery shiffing electrical equipment and counterrotating propellers, the mathematic models of the torpedo ' s electrical counterrotating propulsion system ( including the mathematic models of the propulsion motors and the zn / ago battery and the shifting electrical equipment and counterrotating propellers ) are established
本論文以雙轉魚雷直流推進電機(包括直流串勵電動機和永磁他勵電動機)為研究重點,結合鋅銀電池組、變速電器、對轉螺旋槳的特性,建立魚雷電動力推進系統的數學模型(包括推進電機、鋅銀電池、變速電器和對轉螺旋槳等的數學模型) 。By means of the sea trial, it is verified that at full loading condition of 12. 5m draught, the vessel ' s speed attained to 15. 09 knots with the rotate speed of 100. 5rpm, at the condition of the sea margin of 15 % and rotate speed margin of 5 % at csr of main engine
Sin ) ,主機正常功率帶有15的海上裕度和5轉速裕度時,航速為15刀9節,轉速100 5pm ,與設計吻合。最後,本文進行了滬東型( hd )螺旋槳的系列研究。The system eliminates the conventional rotating driving components, the absence of mechanical propeller system will lead to a reduction in the mechanical noise generated and make the arrangement of ship more expedient
由於磁流體推進取消了傳統的螺旋槳推進系統中的螺旋槳、傳動軸、減速齒輪等轉動裝置,因此,它具有噪音小、布局靈活等優點。Port engine pressure is dropping. the rotor rpm is dropping
引擎壓力正在下降螺旋槳轉速在下降There are different thrusts and torques corresponds to difference trailing edge cutting value at different advance coefficients. combined with the real hull ' s resistance and the real engine ' s power and revolution, the matching point between hull - propeller - engine and the value of trailing edge cutting can be calculated
在得到不同的進速、不同的切割量下螺旋槳的推力、轉矩的情況下,結合實船的阻力和主機的功率、轉速等資料就可以計算出使船?槳?機匹配的切割量。The lower - band spectrum caused by unbalancing rotor and eccentric error of primary axes is analysised firstly. the vibration of basic factors and its features caused by the basic member are discussed, such as turbo - propellers, planetary - reducer and bearings
首先分析系統中由於主轉子動靜不平衡、主軸不對中而激發低頻諧波成分的現象,而後討論螺旋槳、行星減速器及軸承的振動故障機理以及整機振動綜合分析方法。They have also been exported to iran, china, india, poland, romania and algeria. china has two type 636 submarine which are designed for antisubmarine and anti - surface ship asuw warfare as well as for general reconnaissance and patrol missions
636型潛艇是在877型的基礎上又進行了改進提高,其降低動力裝置的轉速,採用了七葉大側斜螺旋槳,增大充電功率提高了充電能力,改進降噪措施,進一步降低了噪聲。As the air speed came on, the plane slowly, slowly rolled out with heavy, serious vibration problems because that prop was still spinning with parts of it missing, obviously out of balance
隨著飛行速度起來,飛機慢慢地、慢慢地翻轉過來,但是顫抖劇烈,顯然是因為那個已經失去一些部件的螺旋槳仍在旋轉,失去了平衡。The thruster contained a large - diameter, slowly rotating blade with nozzles that diffused the propulsive flow, minimizing the churning that would otherwise disturb the caked silt
機器的推進器包含了大直徑慢速轉動的螺旋槳,而且推進水流由噴嘴送出,以避面劇烈攪動擾亂了結塊的淤泥。分享友人