ac speed control 中文意思是什麼

ac speed control 解釋
交流轉速控制
  • ac : ＝1 air controlman 美海軍航空兵的空中交通管制員。2 alternating current 【電學】交變電流，交流電。...
  • 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...
  • control : n 1 支配，管理，管制，統制，控制；監督。2 抑制（力）；壓制，節制，拘束；【農業】防治。3 檢查；核...
  1. In view of the poor stop accuracy, unstability of climbing at reduced or low speed and over - winding of mine ac lift when power braking is used, a siemens all - numerical rectification device is applied in the braking system of mine lift and its control mechanism and method are described

    針對採用動力制動礦井交流提升機停車準確率差，減速與低速爬行不平穩及產生過卷的問題，將西門子全數字整流裝置應用到提升機制動控制系統，並介紹了該系統的控制原理與方法。
  2. Abstract : in view of the poor stop accuracy, unstability of climbing at reduced or low speed and over - winding of mine ac lift when power braking is used, a siemens all - numerical rectification device is applied in the braking system of mine lift and its control mechanism and method are described

    文摘:針對採用動力制動礦井交流提升機停車準確率差，減速與低速爬行不平穩及產生過卷的問題，將西門子全數字整流裝置應用到提升機制動控制系統，並介紹了該系統的控制原理與方法。
  3. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。
  4. Win600 freight lift is provided with the safe and reliable microcomputer control or plc control. the traction is equipped with vvvf wector to make the start, acceleation, deceleration and stop of lift stable and confortable. zero - speed braking stop is uesd to greatly increase the leveling accuracy, reduce te noise and vibration of operation and save energy over30 % than traditional ac double - speed traction

    Win600系列載貨電梯採用微機活plc控制，安全可靠，拖動系統採用vvvf矢量控制使電梯的啟動加減速停車都十分平穩舒適，停車時實行零速控制動停靠，大大提高平層精度，降低運行噪音和振動，並且節能環保，比傳統的交
  5. We developed the power system of electric drill based on dc - ac. the system use the technique of spwm frequency cowersation control. it changed th d. c provided by trolly wire of d. c motor into stable a. c adopted igbt and driving circuit adopted high speed module of exb840

    針對當前我國煤礦電鉆電源的使用現狀，提出研製dc - ac變換的電鉆電源系統，該電源系統直接利用spwm變頻控制技術，將井下直流電機車的架空線所提供的直流電轉變成頻率是50hz的1 . 27v的穩定交流電。
  6. Abstract : this paper discusses the method of adjustable speed driving with bi - directional power transferring converter for motors used in draining and irrigating pumps, a control strategy is proposed to realize super / hyper synchronous speed running with ac - ac converter, and a design for the driver is given based on 16 bit micro - controller

    文摘:針對農用電力排灌站電機調速改造問題，討論了雙饋調速實施方案，提出了採用交交變頻實現超/低同步調速的一種控制方法，給出了以高性能16位單片機為核心的雙饋調速控制系統軟硬體設計
  7. Analysing for converter control system in adjustable speed of ac motor with high quality

    調速系統中具有高性能指標的整流電路控制系統分析
  8. Electric control system for domestic large - scale ac speed adjustable main shaft hoist

    國產特大型交流調速主井提升機電控系統
  9. In this paper, a basic principle of ac speed regulating system for a new type asynchronous motor of battery locomotive used in coal mine is introduced, the special requirements of the system are analyzed, and the direct torque control design scheme is proposed

    介紹了一種新型蓄電池式礦用電機車交流異步電動機調速系統的基本原理，分析了這種調速系統的特殊要求，提出了採用直接力矩控制技術實現力矩控制的設計方案。
  10. The performance of ac variable speed drive system has been improved greatly since field - oriented control is applied

    矢量控制使交流調速系統的性能產生了質的飛躍。
  11. This d format can show the range of the data intuitively and express the real time data, which improves the speed and precision of svpwm arithmetic greatly. the ratio of carrier wave is increased and the blend of current is reduced, as a result the performance of the system is ameliorated. this thesis project has finished the debugging of the ac motor control system, and the result shows that hardware and software of the designed system is in reason

    在實現svpwm演算法的匯編程序中採用了一種新型的d定標法對標幺化的數值進行定標，這種d定標法能直觀的表示數值的大小范圍，可以實時的對數值進行定標，提高了svpwm演算法執行的精度和速度，增加了逆變器的載波比，減少了電流諧波，因而改善了交流變頻調速系統的性能。
  12. In this thesis, based on a digital signal processor tms320f240, a controller for pmsm is researched an designed. we analyzes the mathematics model of pmsm, researchs vector control of pmsm and space vector pwm, discusses the controller of position, speed and current, designs the mrfas position controller, pid speed controller and pid current controller, sets up pmsm ac servo control system, designs dsp controller, and develop the corresponding sofeware. at last, the designed controller is simulated under matlab / simulink, and the results are gived

    分析了水磁同步電機的數學模型，研究了永磁同步電機的矢量控制方法和空間矢量脈寬調制原理，討論了位置環、速度環和電流環的控制方法，設計了模型參考模糊自適應位置控制器、 pi速度器和pi電流控制器，組建了永磁同步電機交流伺服控制系統，設計dsp控制器，並開發了相應的軟體。最後在matlab simulink環境下對系統進行了動態模擬，並給出了模擬結果。
  13. Through the practice, the effect that the ac speed adjusting system is controlled by fuzzy control is good. the main content of this thesis is to design a kind of self - adaptive fuzzy controller applying in vfsr for ship model experiment to meet with the request mentioned above

    電力電子技術隨著現代控制技術的發展尤其是智能控制技術的發展，實現純粹自航已不再是難題。本論文研究的是在純粹自航試驗船模電機的調速系統中，引入自適應模糊控制，改善系統的調速性能和控制策略。
  14. In the field of electric driving, the adjustable speed control of ac asynchronous motor by inverter was a hot spot because of its energy saving function

    由於異步電機交流變頻調速有著明顯的節能功效，以及可以實現連續調速等諸多優點，已成為電氣傳動領域的研究熱點之一。
  15. Using ac motor speed control system directly and cutting feed rate to achieve high quality cut

    採用ac馬達調速系統直接控制切割進刀及速度，以達到高品質之切條。
  16. So extend kalman filter ( ekf ) is applied to low speed control of ac servo systems in order to identify the information of position of magnet poles and low speed instead of incremental encoder. in high speed region, encoder is still used to acquire speed information

    基於此，本文把擴展的卡爾曼濾波（ ekf ）技術應用於交流伺服系統的低速控制，完成系統初始磁極位置角的辨識以及低速下電機轉速的估計，在高速時，仍採用光電編碼器獲取電機轉速。
  17. The paper is concerned with the control strategies of uncertain nonlinear systems and the application on the ac speed adjustable systems. its main contents includes neural network control, differential geometry control and algebra control

    本文研究了非線性系統的控制策略及其在交流傳動中的應用，主要的內容涉及三個方面：神經網路控制、微分幾何控制和代數控制。
  18. Electronic inverter is widely used in variable speed constant frequency ( vscf ) electrical system, ups, and other kinds of power supplies. with the continuous development of pwm control strategy and digital signal processing technology, the method of the pwm control incline to digital control and then the pwm technique plays more and more important role on the dc - ac inverter control

    逆變器在飛機變速恆頻電源、 ups以及其他電源中具有很廣泛的用途，隨著pwm控制策略以及數字信號處理技術的不斷發展，數字控制在逆變器控制方案中的價值也日益凸現。
  19. The ac frequency control experiment system based on pc has been further improved during the study for the paper on which the speed servo control experiments of ac motor adopting general rule self - adjusting fuzzy control ( rsafc ), pid and vsrsafc, respectively, are fulfilled. the experiment results verify the better effectiveness and practicability of vsrsafc than the other two methods

    在論文工作期間根據需要以及在使用過程中所遇到的問題對交流傳動實驗系統做了進一步的修改完善，並將全論域規則自調整模糊控制（ rsafc ） 、 pid及變斜率規則自調整模糊控制（ vsrsafc ）應用於交流傳動控制實驗系統的速度伺服控制，通過模擬與實驗研究，驗證了所提出的vsrsafc方法的有效性與實用性。
  20. Following this conclusion, various kind of ac speed control rules have been analyzed with the favor given to the self - controlled frequency regulation drive. machine model for doubly fed power generation has been given and control equations are discussed

    其次，借鑒各種交流調速方法，研究電機雙饋發電運行的模型和控制手段，採用自控式調頻，提出了繞線轉子雙饋發電機的矢量控制策略。
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