motor speed adjustment 中文意思是什麼

motor speed adjustment 解釋
電動機調速
  • motor : n 1 原動者；原動力。2 發動機；馬達；電動機；【火箭】助推器；汽車。3 【解剖學】運動肌；運動神經。a...
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  • adjustment : n. 1. 調整；調節（裝置）；校正。2. 調節。3. （賠償損失的）清算。
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. The transducer speed adjustment is used for the conveyer belt and the brush wheel, and the motor starts to rotate directly to make the machine run more smoothly and the stain done more uniformly

    輸送帶，毛刷輪採用變頻器調速，馬達直接轉動，使得機器運轉更為順暢，著色更為均勻。
  3. This machine is used for straight - line bevel cutting and bevel grinding and polishing for flat glass, in certain condition, it can be also used in bevel cuttig, bevel grinding and polishing for soft stone panel. the contrilling system adopts plc, it can accomplish automatic grinding cutting after entering processing parameter, convery speed adopts speed adjustment of fre quency conversion, direct drive of wheel head motor, all motions for joining in parameter adjustment completely adopt straight - rolling guide - track with front beam and wheel head lifting lntegrally. the transmission of input and output adopts synchronization tooth belt and photo - electricity switch positioning, and position limitation of two pass is much more reliable

    Sxm371pa型玻璃直線斜邊磨邊機是用於玻璃直線斜邊斜切，斜磨及光拋的專用設備，在一定條件下也可以用於軟石板材的斜切斜磨及拋光。控制系統採用plc控制。輸入加工參數后可自動完成磨削傳送速度採用變頻調速，磨頭電機直接傳動，所有加工參數調整運動副全部採用直線滾動導軌，前梁與磨頭整體升降，輸入輸出傳送採用同步形帶，光電開光定位，雙行程限位更安全可靠。
  4. Using the transducer, we have get very good effect in four motor speed adjustment

    應用變頻器，實現熱定型機四臺交流電機的高性能調速。
  5. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  6. Frequency - changing motor allows for free adjustment of stirring speed. stainless steel structure will never damage

    攪拌馬達具有變頻裝置，攪拌速率可任意作調整。
  7. This motor employs method of changing the pole numbers so as to carry out speed adjustment

    採用單繞組變極方法實現速度變換。
  8. The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization

    而傳統的無速度傳感器雙饋調速矢量控制系統，由於採用磁鏈定向方法，在同步速附近存在較大的工作死區，針對上述問題，本文做了如下的研究工作：本文從雙饋電機的數學模型出發，根據矢量控制的基本原理，提出了一種轉子側功率因數為1的雙饋電機矢量控制方案的設想，即在雙饋調速時採用轉子電流定向的方法，並控制外加轉子電壓與轉子電流始終反相，以保持了轉子電流與轉子磁鏈矢量垂直，通過控制轉子電流的大小來達到控制電機電磁轉矩的要求。
  9. Simulations for these two conditions prove validity of theoretical analysis. on the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given. it introduces the closed - loop of stator excitation current to the system, which increases two adjustment channels : speed and excitation adjustment

    經理論分析可知，該方案中，由於轉子電流與磁鏈無法實現完全解耦，故僅在亞同步工況下有效，在超同步時則會因為調速系統不能自動校正轉子磁鏈幅值變化引起的橫向電流而使系統失去控制，無法達到穩定狀態。
  10. The speed can be adjusted meanwhile the machine is runing, and the speed adjustment way may be handwheel controlling or soft shaft controlling ( within 3 metre ) or automatic controlling with serve motor

    可不停機進行調速，而調速方式可用手輪操縱、軟軸操縱（ 3米內）及伺服電機自動操縱。
  11. Control of the pump - controlled motor speed adjustment system based on cmac neural networks

    神經網路的泵控馬達調速系統控制性能
  12. By researching the features of motor torque control and motor speed control in the system, the paper present the methods of tension control and tension compensation of winder and accumulators, the loads balance of speed rollers, and the adjustment to accumulator in order to synchronize the speed of different segment. in order to control the overhang line of steel belt in the heater by pid controller, the method of off - line pid parameters calculation is applied

    論文通過對連續彩塗板交流變頻調速拖動生產線各段張力和速度控制的要求和特點的研究，著重分析解決了開收卷機的張力控制和張力補償方案、活套控制中的張力補償方案、速度輥對間的負荷平衡控制、以及為實現各段速度間速度同步對活套的調節控制等。
  13. In the design, the four mechanisms use dc speed adjustment, and select the advanced rtv - 84 series dc motor speed controller of french te company and the series 90 - 30 programmable controller of american ge company. the perfect unites of these two forms the nucleus of the whole control system

    設計中，四大機構的驅動方案採用全數字直流調速，並且選用了法國te公司先進的rtv - 84系列直流電機速度控制器以及美國ge公司的系列90 - 30plc可編程序控制器，這二者的完美結合，構成了集裝箱裝卸橋的全數字控制系統的核心。
  14. Simulation of speed - adjustment system on neural network self - tuning control for brushless dc motor

    基於神經網路的無刷直流電機調速系統的模擬
  15. 2. speed adjustment system of ac motor

    交流調速系統。
  16. Doubly - fed motor adjustable speed is an advanced technique, which can be used in the adjustable speed of motor and generator of variational speed and constant frequency, also can realize the adjustment of power factor at the stator

    雙饋電機調速是一種先進的調速技術，可用於電機的調速和變速恆頻發電，並能實現電機定子側功率因數的調節。
  17. To control srm efficiently, this paper has designed a kind of switch reluctance hardware simulation system of speed adjustment based on 80c196kb single - chip microcomputer, which is running in motor voltage pwm way, this design is helpful for the control motor voltage of srd

    為了有效地控制sr電機的運行，本文基於80c196kb單片機，設計了一種開關磁阻電動機調速系統（ srd ）電機電壓pwm方式硬體模擬系統。
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