運轉特性 的英文怎麼說

中文拼音 [yùnzhuǎnxìng]
運轉特性 英文
service performance
  • : 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...
  • : 轉構詞成分。
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 運轉 : 1. (沿一定軌道運轉) revolve; turn round 2. (指機器轉動) work; operate; run; travel 3. (循環) flow
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. Variable diameter rotor is an effective method to improve the aerodynamic performance of tilt - rotor in both hover and cruise state. on the basis the research before, the variable diameter tilt rotor structure design has been finish, and in virtue of the technology of virtual prototyping to simulate and analyze the kinetic, dynamic and intensity property of it

    變直徑傾旋翼能有效的改善傾旋翼機懸停和巡航狀態下的氣動效率,本文提出了變直徑傾旋翼試驗模型設計方案,完成了可變直徑傾旋翼的結構設計,並利用虛擬樣機技術對變直徑傾旋翼的、結構動力學以及結構強度進行了分析、研究。
  2. A computer drawing program of water turbine operating characteristic curve based on autocad

    的水輪機運轉特性曲線自動繪製程序
  3. In order to solve the default of the limited valid scope and discontinuity characteristic, introducing the state continuous conversion gene based on establishment of respective mathematics model for low and magnitude current scope, and integrate with them reasonably then having established the mathematics model of suitable whole scope and having solved present mathematics model existent problems

    本文針對目前電弧爐負載數學模型存在的適用范圍有限、不連續等缺點,在建立了分別適合大、小電流區域的數學模型的基礎上,引入狀態連續換因子,將分別適合大、小電流區域的數學模型有機結合為一個整體,建立了適合全范圍的數學模型,解決了目前數學模型存在的問題。
  4. Work peculiarities and movement characteristics of revolving water decanter were studied and hydraulics and kinematics calculation were given in this paper, which could be referenced when revolving water decanter was studied, operated and managed

    摘要對旋式潷水器的工作點和進行了研究,給出了其水力學計算公式和動學計算公式,可供設計計算和行管理旋式潷水器時參考。
  5. Abstract : a two - pole axially - laminated anisotropic ( ala ) rotor reluctance motor, with a high saliency ratio, is de - veloped. based on it, the performance characte istics of the motors are investigated with open - loop operation. it is proposed that an intensive oscillation occurs at low speed, corresponding to the frequency supplied a little greater than the natural one of the system

    文摘:研製了一臺高凸極比的兩極ala子磁阻同步電動機,實驗研究了電機的開環,研究結果表明電機開環行時存在一個比較嚴重的低頻振蕩,這個振蕩發生在電機電源頻率略大於電機的自然頻率后的某一頻段,且會導致電機失去同步
  6. _ incremental form of evolution law of domain switching is developed by taking the volume fraction of domains as key intrinsic factors. the main factors that have great influence on domain switching are material parameters, domain wall motion, domain volume fraction and the interaction energy between inclusion and matrix. inclusion and its neighbors could be addressed in the description as well

    ? ?建立了以電疇翻時的體積分數增量為中心的,基於鐵電疇壁的剩餘應變及電位移的增量形式的演化方程,在其中包含有材料參數、疇壁動、電疇形式、電疇體積分數及基體與夾雜、夾雜與夾雜等相互間能量作用等影響因素。
  7. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出模擬風力機的最大輸出功率曲線的可行,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電行等一系列的行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確、可行
  8. It is indicated that, when a two - speed motor is used for driving oil transfer pump, the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance, and its speed control range is restricted by the pipeline resistance characteristic curve, the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel, the pump with better performance should be changed into speed - variable pump

    指出雙速電動機用於輸油泵的調速時,應選用矩按速平方降低的電動機;調速泵的行經濟受到管路阻力曲線的限制,其調速范圍受到管路阻力曲線、系統所需揚程和泵的限制;在母管制系統中把部分定速泵改為調速泵時,應將能較高的定速泵改為調速泵。
  9. Nowadays, squeeze film dampers ( sfd ) are used to reduce the vibration in many aero - engines, and then their performance in maneuver flight will affect the whole engine

    現今,有不少航空發動機都採用了擠壓油膜阻尼器來減小發動機的振動,而擠壓油膜阻尼器在機動過載的作用下的將對發動機子產生重要影響。
  10. Abstract : this paper analysed the kinematic properties of ball joint hi nged on the piston rod and steering drag link of a separated assistant steering m echanism, and the equations of the path and mathematical model of pressure angle were established

    文摘:分析了分置式向助力機構的液壓缸活塞桿與向直拉桿相鉸接的球頭銷的,建立了其軌跡方程及壓力角的數學模型。
  11. After studying the traits and operating characteristic of the repmsm, a speed adjusting scheme combining the in - phase variable - frequency speed adjusting with a speed - closed loop is introduced specially

    本文研究了正弦波永磁同步電動機的點及其,確定了以他控式磁通軌跡法變頻調速和速閉環調節相結合的調速方案。
  12. Because of its characteristics of simple structure, low cost and space economy, macpherson suspension has become the most popular independent suspension since its emergence. hence, the kinematic analysis of macpherson suspension has great significance. in this paper, the dimensional positions of points on the left macpherson suspension while the front left wheel turns and jumps are calculated with the method of dimensional coordinate transformation

    本文通過研究用於向車輪的麥弗遜式懸架的結構點和,採用空間坐標變換方法,準確計算出前向車輪在向和跳動情況時麥弗遜式懸架上點的空間位置,建立了向車輪麥弗遜式懸架在車輪向和跳動時的物理模型和數學模型。
  13. The absorption and translocation of nitrogen and their relationship to grain protein content in different winter wheat cultivars

    不同冬小麥品種氮素吸收運轉特性及其與子粒蛋白質含量的關系
  14. Since 1960s, the mechanical strength reliability and structural system reliability, whose main failure modes are fatigue and service life, has achieved a great deal of development and been applied to engineering machine, aeronautical and astronautical engineering, electric apparatus, bridges, ship, civil engineering etc. with the developing of space technology and tendency of machine towards high speed, precision, automation, one realizes the importance of mechanism reliability based on the accuracy of motion, for the errors of mechanism occurred more often than that of structure, especially in the field of aeronautical and astronautical engineering and operate system of weapon

    上個世紀60年代以來,以疲勞、壽命為主要失效模式的機械強度可靠、結構體系可靠研究得到了很大發展,並迅速應用於工程機械、航空航天、電器設備、橋梁、船舶、土木工程等。隨著空間技術的發展以及機械的高速精密化、自動化發展,人們逐漸認識到以機構動作參數的準確可靠為主要指標的可靠問題日益突出,因為在很多機械上機構的故障多於結構的故障,尤其是在航空航天及武器操縱系統方面。由於這些機構的運轉特性,振動可靠的研究亦佔有突出的位置。
  15. Our mainly work in theoretical study are described as followings. as pulsed opos work in a transient regime, a dynamic model is applied to analyzes its operation characteristics, and a result of the numeral simulations for the transient regime parametric process is presented and it is fitted the experimental result very well. thus it provides theoretical foundation for the opos practical parametric designs

    本文在理論方面的主要工作是:由於脈沖opo工作于瞬態,因此用動態模型對其運轉特性進行了分析,給出了瞬態參量過程的數值模擬結果並且與已有的實驗結果吻合的很好,這為opo的實用化的參數設計提供了理論依據。
  16. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法,提高了電源利用率,降低了逆變電壓的諧波,改善了電機的,降低了對電網的污染;在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型,在模擬的基礎上,對傳統pid調節器進行了改進,提出速調節器和電流調節器採用分段pid結構,根據給定速所處的區間,自動選擇相應pid調節器的參數,拓寬了調速范圍,提高了控制精度。
  17. With the speed increment, not only 1 / 2x and 2 / 3x frequency component appear in low frequency segment, but also 4 / 3x frequency component begin to appear in high frequency segment. the amplitude of fraction frequency is usually larger than that of multiple frequencies. the nonlinear characteristic of torsion for rubbing rotor is similar with that of flexural vibration completely

    研究結果證實了扭振徵和非線用於該類故障診斷的可行:從發生碰摩起,扭振分頻和倍頻相伴出現,速較低時, 1 / 2x成分突出,隨著速升高,不但有1 / 3x及2 / 3x分量出現,而且出現了4 / 3x成分,分頻幅值大於工頻及倍頻;彎振和扭振的非線完全相似,扭振有抑制子系統復雜動的能力。
  18. For the luggage conveyer system runs smoothly and steadily, we synthetically analyzed the characteristic of the belt machine ' s running, starting and applying the brake. we decide to use the current transducer 6se92 of siemens with high function u if control. this transducer ' s functions of adding or decreasing speed with s form and torque promoting can magnificently solve the belt machine ' s vibration in the time of starting and brake and make the belt machine smoothly working with vary goods

    為了實現行李輸送系統平滑穩定的行,我們綜合分析了皮帶機,及起、制動時的,決定採用具有高功能型u f控制的通用變頻器6se92 (西門子) ,此變頻器的s形加減速功能和矩提升功能,能很好的解決皮帶機起制動時的振動及不同帶載量時的穩速行。
  19. According to the characteristics of the piston pump when it works with the diesel engine, the different outer load leads to different rotational speed and mechanics characteristics of the piston. in order to learn the property of the movement and mechanics of the piston but not experimentalize, simulink which is the simulation toolbox of matlab ( the most popular large - scale mathematic software ) is carried out to simulate the process of the movement and the receiving force of the piston

    根據發動機和全功率軸向柱塞泵的工作,柱塞泵在受到的外負載不同時,柱塞的速和受力情況就不一樣,為了能在不做實驗的情況下就能了解柱塞的和受力點,利用現在最為流行的大型數學軟體matlab的模擬工具箱simulink對其進行了動和受力的模擬分析。
  20. Visible - light optical target simulator describes images of target which needed in the test and research, which is drived by the two - axis turntable to complete the field of image and movement characteristics of the goal. the field of view and movement characteristics of the goal must be in the requirement the seeker and it is the simulant target of the test

    可見光目標模擬器模擬產生電視導引頭在測試和試驗過程中所需的各種目標圖像,由二軸臺帶動目標模擬器形成滿足導引頭要求的圖像視場及目標,作為導引頭測試的模擬目標。
分享友人