轉速力矩特性 的英文怎麼說

中文拼音 [zhuǎnsùlìjǔtèxìng]
轉速力矩特性 英文
speed characteristic
  • 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...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例長孔式混合器控制空燃比；通過提高壓縮比來彌補動力性的損失；以動力性為主控目標，對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節；通過空燃比的合理控制，直接改善發動機的動力性、經濟和排放指標；作為對缸內燃燒過程的理論分析，進行了燃燒特性的實驗測試；對原汽油機和新開發的液化石油氣發動機，進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。
  2. On the basic theory of transfer heat, tribology of rolling bearings and rotor dynamics, taking gdz48a electrospindle as an example, the paper puts forward the spindle bearing ' s quasi - dynamics analysis model with the influences of the friction heat and preloadings analyzes the friction moment, velocities, contact loads, friction heat and stiffness and studies the influences of the friction heat, structure and application parameters on the speed and dynamics

    本文以傳熱學、滾動軸承摩擦學和轉子動力學為理論基礎，以gdz48a型電主軸為例，建立了考慮摩擦熱和預緊方式影響的主軸軸承擬動力學分析模型，分析了軸承的摩擦力矩、運動、載荷和剛度，研究了軸承的熱特性、設計和應用參數對速度和動力學性能的影響，並進行了試驗驗證。
  3. So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system

    轉臺伺服系統低速工作精度主要受到以摩擦力矩、電機波動力矩為主的擾動力矩的影響，而摩擦力矩、電機波動力矩的減小又受到轉臺製造工藝水平的限制，所以，轉臺伺服系統的低速特性以及抖動補償研究，對結構簡單、性能優良的精密光電跟蹤系統的研製，具有相當重要的意義。
  4. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  5. A method is provided to measure the friction parameters of the bed. the maximum friction torque, coulomb friction torque, viscous friction coefficient and moment of inertia can be gotten by fitting the free reduced rate curve of the gimbals and measuring the motor current when the motor begins to rotate

    提出了一種測量轉臺摩擦特性的方法，通過對轉臺在無外推力作用下的速度衰減曲線的擬合以及電機啟動過程電流和轉速的測量，可以得到最大靜摩擦力矩、庫侖摩擦力矩、粘滯摩擦系數及轉動慣量。
  6. It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage

    並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理，闡述了與同步發電機、異步發電機的不同之處，分析了其能量平衡關系，在坐標變換技術的幫助下，詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型，分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性，證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。
  7. 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，應選用轉矩按轉速平方降低特性的電動機；調速泵的運行經濟性受到管路阻力特性曲線的限制，其調速范圍受到管路阻力特性曲線、系統所需揚程和泵運行特性的限制；在母管制系統中把部分定速泵改為調速泵時，應將性能較高的定速泵改為調速泵。
  8. It analyses the causes to bright image movement, studies principle to compensate image movement, conforms project to compensate image movement, and designs framework to compensate image movement in the article ; to analyze and design configuration of the scanning mirror, to select matters of mirror and its support structures on the principle of consistent line expansion coefficient ; to ascertain type of moment electromotor by most rotating angle speed and most rotating moment which are required by loads in the period to take pictures, as well as by figuration size of electromotor ; to design retarder according as the electromotor parameters ; to design and optimize lightweighted mirror shapes, because the mirror is key part ; to design flexure support structure, to analyze static and dynamic characteristics of the support structure by name of patran program for validating desig n rationality ; to study function of the scanning mirror electric control system ; to test precision of the system, the results indicate the rationality of design of the scanning mirror system

    本文通過分析像移產生原因、研究像移補償原理，確定像移補償方案，並根據像移補償原理設計補償機構；分析與設計掃描反射鏡系統結構，根據材料線膨脹系數一致原則，選擇反射鏡及其背部支撐的材料；由掃描反射鏡在擺掃周期內的最大擺掃角速度確定力矩電機的額定轉速，根據負載力矩確定電機的額定轉距，綜合電機外型尺寸等因素，確定執行元件? ?電機的型號；根據所選電機的參數指標，設計1 ： 6速比的減速器；利用patran軟體對掃描反射鏡系統中的關鍵件? ?反射鏡進行輕量化設計與優化；設計反射鏡柔性支撐結構，並通過軟體分析支撐結構的力學特性，驗證反射鏡柔性支撐結構設計的合理性；從原理上研究掃描反射鏡控制系統功能；進行系統精度測試，測試結果表明掃描反射鏡系統設計的合理性。
  9. This theme discuss the water of the slurry detected by the revolving detector. it utilizes the different resistance morque by the different charactoristic of defferent water comtent, makes the change of velocity of the detector

    本課題是通過旋轉式檢測頭來檢測水泥生料漿水分含量的，這正是利用不同水分含量的水泥生料漿變特性不同，從而對檢測頭產生的阻力矩不同，因此由交流伺服電機帶動的檢測頭的轉速會發生變化。
  10. The micromanipulator must contact the objects to be handled in the manipulation process and the end - effector will be loaded by the exterior forces. the static mechanics of the manipulator has been analyzed on the basis of the work done above, by the way of the screw theory the mechanics jacobia is educed, furthmore, the matrix is the transpose of the kinematics jacobia in such a microscopic world. meanwhile the index of the static stiffness and payload related to the mechanics is studied

    微動機器人在操作過程中，必然要接觸到操作對象，末端執行器要受到力力矩的作用，在前面分析的基礎上，進一步分析其靜力學性能，運用螺旋理論導出反映其靜力特性的力雅克比矩陣，並且可以看到此矩陣與速度雅克比互為轉置。同時還考察了微動機器人的靜剛度、承載能力指標。
  11. However, by comparison with flap nozzle servo valve which has been used widely and popularly by now, the torque motor of jet pipe servo valve has a larger rotary inertia. this causes low natural frequency of servo valve, and thus the response speed of jet pipe servo valve is slow. moreover, the jet pipe of servo valve has large flexibility, and it is easy to excite oscillations and noise in the valve, which is named self - excited oscillations and noise

    然而與目前普遍使用的噴嘴擋板伺服閥相比，射流管伺服閥的銜鐵組件轉動慣量大，導致力矩馬達部分固有頻率低，從而響應速度慢，此外，射流管供油管柔性大，容易產生自激現象，這些缺點都使得射流管伺服閥的動態特性差，從而影響了它的工作性能。
  12. In this paper, taking thewh20s flight simulator as research object, application of variable structure control for flight simulator is discussed. first, based of researching the flight simulator ’ s control system, and the problems in the flight simulator ’ s low - speed performance, continuous time variable structure control is researched. then, the paper analyses the non - linear factors ’ effect especially the friction factor ’ s effect to the flight simulator

    首先在分析轉臺的控制系統以及轉臺在低速時存在問題的基礎上，研究了連續時間系統的變結構控制，分析了非線性因素特別是摩擦力矩對轉臺的影響，並對lugre摩擦模型做了研究，繼而將pid與變結構控制結合起來進行了研究，在模擬的基礎上應用於wh20s轉臺的實際控制系統，取得了較好的效果。
  13. Field test shows that, this rig is characterized by high power utilization ratio, high hoisting speed, less load on the belt brake, and high capability of dealing with accidents

    現場試驗表明，鉆機功率利用率高，起升速度快；反轉制動特性減輕了帶剎車的載荷；變矩特性加強了處理事故的能力。
  14. Secondly, the dynamic features, surplus torque and loading gradient features of ptss are analyzed by the couple model between the rudder and the eals. it can be concluded that the surplus torque is related directly to the velocity of the rudder, and the loading gradient is the disturbing inverse ratio from the surplus torque to the closed - loop model, which shows the scaling relationship between the input and the disturbance signal act on the eals. it also can be concluded that, under the same dynamic specification, it is more difficult to realize the small loading gradient

    然後，採取把系統模型轉化為舵機和負載模擬器相互耦合作用的形式，對被動式力矩伺服系統動態特性、多餘力矩和加載梯度一一進行理論分析，得出:多餘力矩與舵機運動速度直接相關;加載梯度是在系統閉環模型中，與多餘力矩相關部分模型幅值大小成反比的系數，體現了被動式力矩伺服系統的指令信號和擾動信號之間的比值關系，從而在相同的動態指標下，小加載梯度實現更為困難。
  15. Second, engine ' s partial velocity characteristics model and universal characteristics model are built the throttle opening is considered as an essential factor to build the model for reflecting the actual working performance of engine. the situation of the throttle opening change is studied, and a simulation method is given to use torque curved surface and vehicle dynamics equation on base of differential approach method. engine test software is developed for the engine no - load test, variable throttle opening test and throttle step change test

    其次，建立了發動機的部分速度特性模型和萬有特性模型；為了更好的反映發動機的實際工作特性，將油門開度作為一個重要參數參與建模，並對發動機變油門的情況進行了研究；結合轉矩曲面和整車動力學方程，採用微區間逼近法確定了發動機變油門過程模擬方法；開發了發動機試驗測控軟體，利用該軟體進行了發動機空載響應試驗、發動機不同油門開度試驗和油門階躍變化試驗，並對實際試驗數據和數學模型計算數據進行對比；在vc + +平臺上開發了發動機特性模擬模塊，在系統中用軟體實現了變油門控制發動機特性的功能。
  16. Through the test of the separating sieve ' s and beams vibration acceleration, the dynamic bending moment, torque and shearing force as well as the analyze of each parameter by dividing rotation speed range from 300 r / min to 600 r / min of the main shaft, the change regularity of the vibration of the separating sieve, the vibration and the dynamic load on dangerous cross section with the change of rotation speed of the main shaft is obtained. research shows that there exits apparent relevance between the vibration as well as the dynamic load of the main beam and the vibration of the separating sieve. the vibration of the separating sieve mainly affects the composition of low frequency of the vibratio n of the main beam, appropriately amending the vibration acceleration of the separating sieve, the loading and vibration of the mam beam can be directly improved

    通過分檔測試主軸轉速在300 600r min范圍內分離篩與梁的振動加速度、梁所承受的動態彎矩、扭矩和剪力以及各參量的時頻域分析，得到了主軸轉速與分離篩振動、主梁的振動及其危險截面的動態載荷間的變化規律，研究表明梁的振動和其所承受的動載與分離篩的振動之間具有明顯的相關性，分離篩的振動主要影響梁振動的低頻成分，適度改善分離篩的振動加速度，可直接改善梁的負載和振動特性。
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