low speed motor 中文意思是什麼

low speed motor 解釋
低速電動機
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • 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...
  • 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...
  1. Aiming at permanent brushless dc motor in mini - bev ( battery electric vehicle ) with torque ripple and violent noise during low speed running, the fuzzy control method is combined with slide mode control method to suppress the influence due to un - modeling parameters, and to ensure the robustness in the process of reaching slide mode plane

    摘要針對微型電動車用永磁無別電動機轉矩脈動大、低速運行時噪聲明顯等主要問題，採用模糊控制和滑模控制相結合的方法，克服了未建模參數的影響，保證了滑模到達階段的魯棒性，同時抑制了轉矩脈動。
  2. The experiment results indicate that this method is more effective in the brushless direct current motor ' s low speed torque ripple attenuation, and its more effective in improving system dynamic performance

    運行結果表明，此方案能有效地抑制無刷直流電動機低速時的轉矩脈動，更好地改善系統的動態性能。
  3. Low speed high torque hydraulic motor

    低速大扭矩液壓馬達
  4. Taking the 718 model gimble as an object, the paper focuses on the influences of the nonlinear friction moment and the motor torque wave to the system ' precision at low speed first, then, makes the theoretical analysis and simulation. the experimental verification is carried out in the 718 model for the effectiveness and feasibility of the discussed compensation methods. the low speed properties and the main reasons for the jitter are analysed

    本文以718模型轉臺為研究對象，針對伺服系統低速工作時影響其精度的非線性摩擦力矩、電機波動力矩，從理論上進行了一系列的分析和模擬研究，討論了低速補償方法，並在718模型轉臺伺服控制系統中實驗驗證了補償方法的可行性和有效性。
  5. 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。
  6. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型，通過計算機模擬，驗證了數學模型的正確性，同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究，提出了一種用模糊控制的方法實現恆功率控制，並對驅動器進行了系統模擬，成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器，控制無刷直流電動機驅動太陽能無人飛機的螺旋槳，為後面繼續研究工作提供了參考。
  7. Rotor position estimation of permanent - magnet syachronous motor at zero - speed and low - speed

    零速和低速下永磁同步電機轉子位置估測方法
  8. This dissertation presents how to use the ultrasonic motor as an actuator to suppress the flutter of a two - dimensional airfoil section with a control surface. the ultrasonic motor, which features simple structure, high torque at low speed, small size, low weight and no electromagnetic contamination, is a promising actuator for the flutter suppression of small aircraft

    超聲電機以其結構簡單緊湊、轉矩/質量比大、低速大扭矩、直接驅動，動態響應快、斷電自鎖和不產生磁場且不受外界磁場干擾等優點，有望成為一種非常有前途的作動器，用於小型飛機的機翼顫振主動抑制。
  9. As compared with conventional electromagnetic motor, the ultrasonic motor possesses the following features : compactness in size, high - torque at a low - speed range, fast response, insensitive to magnetic fields, high holding torque when power is off and so on

    與傳統電機相比，它具有結構緊湊、低速高轉矩、響應快、不受磁場影響、斷電自鎖等優點，因而它適合應用於機器人、精確定位裝置、微型機械、航空航天器等方面。
  10. Study and design of speed increasing control circuit of low - speed motor

    低速電機增速控制迴路的研究設計
  11. 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轉子磁阻同步電動機，實驗研究了電機的開環運行特性，研究結果表明電機開環運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
  12. Manufacture technology of rare earth permanent magnet low speed synchronous motor

    稀土永磁低速同步電動機製造技術
  13. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  14. This series gearmotor consist of square gearbox and ac indution motor, suitable to use as driving element on low speed transmission units

    本系列為交流異步電動機與方箱齒輪組合為一體的減速電動機，適用於低速傳動裝置中作為驅動元件能起到簡化機械結構，降低成本和降低能耗的作用。
  15. Rocket ejector is the alternative power of rbcc during low - speed operation. the utilization of rocket ejector will be important for structural integration, and will decrease weight and complexity of the motor

    引射火箭模態作為rbcc推進方案低速階段的起飛動力，對于實現rbcc結構一體化、減輕結構重量和系統復雜度具有重要的意義。
  16. In this thesis the author made a study of asynchronous motor model, designed a hybrid simulation system of dtc and analyzed the characteristics of the dtc system and the existing problems detailedly. due to the large torque ripple of induction motor in dtc system, especially in low speed, this thesis proposed a discrete time space vector modulation and designed a sliding - mode torque and flux controllers based on sliding - mode theory to overcome this drawback

    由於直接轉矩控制存在的不足之處主要在於轉矩脈動，特別是在低速運行時這種情況更加突出，針對該問題，本文提出了一種離散時間空間矢量合成法來改善轉矩脈動，並且引入滑模理論，設計了一種滑模轉矩和磁鏈控制器來克服這一缺點。
  17. A closed loop system composed of high speed hydraulic pump and low speed hydraulic motor

    高速液壓泵低速液壓馬達組成的閉式系統
  18. As the motor of hev, it is required to meet the need of the frequency of start - up / shut - down, step - up / speed - down, the radical change between higher angular moment during low speed or climbing and lower angular moment during high speed, the enablement of regenerative braking

    作為混合動力電動汽車用的電機要求能夠滿足頻繁地啟動停車、加速減速，低速或爬坡時要求高轉矩，高速行駛時要求低轉矩的大范圍變速，以及實現再生制動的需要。
  19. Low - speed magneto synchronous motor

    永磁式低速同步電動機
  20. At the end of this paper, i put forward a new back emf sensing method which does n ' t require a virtual neutral point to realize the sensing for rotor flux position. it improves the performance of bldc motor at low speed and at high speed and broaden its range of timing

    最後針對系統的不足，提出了另外一種不需要引出虛擬中點的反電勢檢測方法來實現對轉子位置的檢測，它能夠提高電機低速和高速運行時的性能，拓寬直流無刷電機的調速范圍。
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