轉速轉矩特性 的英文怎麼說

中文拼音 [zhuǎnzhuǎnxìng]
轉速轉矩特性 英文
speed-torque characteristic
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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
  • : 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 ...
  • 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的損失;以動力為主控目標,對最大功率點、最大扭點、中等、最低點所對應的發動機做了點火的調節;通過空燃比的合理控制,直接改善發動機的動力、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,進行了外和部分負荷以及怠的排放及噪聲對比測試。
  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、運動、載荷和剛度,研究了軸承的熱、設計和應用參數對度和動力學能的影響,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

    臺伺服系統低工作精度主要受到以摩擦力、電機波動力為主的擾動力的影響,而摩擦力、電機波動力的減小又受到臺製造工藝水平的限制,所以,臺伺服系統的低以及抖動補償研究,對結構簡單、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的研究成果的基礎上,以旋正交曲線坐標系統下的多參數旋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、形截面)旋曲線管道內充分發展流動的流動結構和傳熱(包括耦合對流傳熱)以及旋曲線管道開口段發展流動的流動結構和換熱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

    提出了一種測量臺摩擦的方法,通過對臺在無外推力作用下的度衰減曲線的擬合以及電機啟動過程電流和的測量,可以得到最大靜摩擦力、庫侖摩擦力、粘滯摩擦系數及動慣量。
  6. Applying relative arithmetic to all kinds of faults and calculating off - line, we can master time - distance relation chart for all kinds of faults. computation indicates : when transmission lines occur faults, the data window of protection algorithm consisting of prefault and postfault data at the same time has important significance. the following methods are useful to achieve the inverse time characteristic : calculating impedance by using flourier in a full cycle, calculating work voltage by using fault component, calculating the torque created by a phase comparator or a magnitude comparator

    實際的計算表明:輸電線路發生故障后,用故障前後的數據同時充滿保護演算法的數據窗,對于快切除近區故障具有很重要的意義;同時利用故障前後的數據,下述方法可以比較好地實現距離保護的反時限:直接用全周傅里葉演算法進行阻抗計算;採用工頻變化量阻抗繼電器進行工作電壓的計算;採用的思想進行的計算。
  7. Sensorless is a major feature of the pmsm dtc system

    無需度傳感器反饋信號是本直接控制的一個優異的
  8. Dissertation explains the theory and characteristices of switched reluctance motor based on its idealy linear math mode. analyseing and researching on control characteristic, control parameters, control strategy and their relationship, thesis designed hardware circuit and software of control system based on the strategy. dissertation discussed the transform function of system and illustrates it is essential to chang parameters in the pid control arithmetic, estimating parameters for the digital pid controller primarily, dissertation also researched on the exciting and protection of igbt

    論文以開關磁阻電動機的理想線數學模型為理論基礎,對其原理進行了說明,對開關磁阻電動機的控制) 、可控參數(導通角、關斷角、相電流、繞組端電壓)與控制策略(電流斬波、電壓斬波、角度位置控制等)及它們之間的關系進行了研究和分析。
  9. The results of the experiment show this creative ac variable frequency speed - governing experiment system can realize the load relationship of direct electromagnetic torque between the motor group, get the continuous control process easily for the reaction load and potential energy load during four quadrant, achieve the total availability of the regenerate energy at any kind of load, and the system consumed power make up under 30 % of actual load power at any kind of load

    該方案研究獲得的實驗結果表明:這種具有創新色的交流變頻調實驗系統可實現電動機組之間直接電磁方式的負載關系,可方便地獲得電動機在反應或位能負載下四象限運行的連續控制過程,並實現了任意負載方式下再生能量的全部回饋利用,任意負載下系統消耗功率僅占電動機實際負載功率的30 %以下。
  10. Aiming at the uncertainty brought by the rotating inertia and motor torque coefficient during the field weakening process, the mixed sensitivity robust controller based on inner mode principle is designed

    在此基礎上,針對實際直流電機度控制系統弱磁調過程中存在的電機系數變化和動慣量等因素引起的參數不確定,應用內模原理,設計了混合靈敏度魯棒控制器。
  11. 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和功率調節、穩態運行和機械,證明了發電機的能由差率、子電壓的相位和幅值、定子電壓相位差所決定的。
  12. By applying the method composed of theory analysis, simulation and test verification, some researches have been done on unload characteristic, torque - current characteristic, revolving speed - voltage characteristic and mechanism characteristic of the motor system. meanwhile, various control modes of the system are analyzed. all these researches provide some references for the motor ’ s application

    採用理論分析、模擬模擬、試驗驗證相結合的方法,分別研究了雙凸極電機的空載電流電壓、機械,並對各種控制方式進行了分析、比較,為在實踐中更好地應用雙凸極電機提供了一定的依據。
  13. 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

    指出雙電動機用於輸油泵的調時,應選用平方降低的電動機;調泵的運行經濟受到管路阻力曲線的限制,其調范圍受到管路阻力曲線、系統所需揚程和泵運行的限制;在母管制系統中把部分定泵改為調泵時,應將能較高的定泵改為調泵。
  14. 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度確定力電機的額定,根據負載力確定電機的額定距,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比的減器;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;設計反射鏡柔支撐結構,並通過軟體分析支撐結構的力學,驗證反射鏡柔支撐結構設計的合理;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
  15. 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不同,從而對檢測頭產生的阻力不同,因此由交流伺服電機帶動的檢測頭的會發生變化。
  16. Some research about sensorless control of induction motors in recent years has been introduced in chapter one. in chapter two, a field - oriented control system with current regulator and voltage source inverter ( vsi ) is presented firstly, which is proved in theory that the voltage feed - forward decoupler can be omitted, the good decoupled control properties of flux current and torque current is also validated by experiments with speed - sensor based on f240dsp real system

    論文第二章從異步電機的基本數學模型入手,介紹了一種基於子磁場定向的帶電流內環控制的電壓型逆變器輸出閉環矢量控制結構,在理論上證明了該模型可省略電壓前饋解耦環節,採用f240dsp晶元構建的帶度傳感器實驗系統驗證了其定子電流勵磁分量和分量有良好的解耦控制
  17. The paper present a new tachometer of twisting moment with good properties, this risc microcontroller has simple and reliable current with low cost, can autotreating the data, autodisplaying the numerals and autorecording these numerals by two twisting moment and rotational speed, also having interface of data net

    介紹了一種新型的扭儀,其點是採用了高能的risc單片機,電路簡潔、可靠,低成本地實現了兩路扭參數的自動測量、數據處理、數字顯示與記錄,並具有數據聯網介面。
  18. Because direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable for the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function

    在本控制系統的具體實現上,由於直接控制對實時要求很高,因此在硬體方面,採用了目前比較流行的數字信號處理器( dsp )作為系統的控制器,其處理度高的點正好符合本實驗的需要:在主電路中,本系統使用了集成度高的功率器件:智能功率模塊( ipm ) ,作為逆變環節,其集成了七個igbt ,實現了高開關頻率逆變以及故障診斷的功能,從而使控制系統的體積大大縮小、控制更加靈活。
  19. Due to the direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable to the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function

    在本控制系統的具體實現上,由於直接控制對實時要求很高,因此在硬體方面,本課題採用了目前比較流行的數字信號處理器( dsp )作為本實驗的控制器,其處理度高的點正好符合本實驗的需要;在主電路中,本系統使用了集成度高的功率器件:智能功率模塊( ipm ) ,作為逆變環節,其集成了七個igbt ,實現了高開關頻率逆變以及故障診斷的功能,從而使控制系統的體積大大縮小、控制更加靈活。
  20. 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的作用,在前面分析的基礎上,進一步分析其靜力學能,運用螺旋理論導出反映其靜力的力雅克比陣,並且可以看到此陣與度雅克比互為置。同時還考察了微動機器人的靜剛度、承載能力指標。
分享友人