定子電阻器 的英文怎麼說

中文拼音 [dìngzidiànzǔqì]
定子電阻器 英文
stator rheostat
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 電阻 : （物質阻礙電流通過的性質） resistance; electric resistance （電路中兩點間在一定壓力下決定電流強度...
  1. Type designation system for fixed resistors and fixed capacitors for use in electronic equipment

    電子設備用固定電阻器固定電容器型號命名方法
  2. Harmonized system of quality assessment for electronic components - sectional specification : fixed power resistors - capability approval

    電子元器件質量評定協調體系.固定電源電阻器分規范.性能認可
  3. In the paper, a speed estimator based on artificial neural network is designed according to the principle of direct torque control, the speed estimator is optimized by genetic algorithm, and the parameters of pid speed adjuster is also optimized by genetic algorithm. a stator linkage and torque observer based on stator resistance estimator using fuzzy neural network is also designed. eventually, the intelligent control of direct torque control system is implemented

    本文根據異步電動機直接轉矩控制原理，在應用人工神經網路進行速度辨識的基礎上，利用遺傳演算法對神經網路速度辨識器進行了優化設計；運用遺傳演算法對pid速度調節器的結構和參數進行了整合；在採用模糊神經網路對電機定子電阻辨識的基礎上，進行了定子磁鏈及轉矩的觀測，為最終實現無速度傳感器直接轉矩控制系統的智能控制創造了條件。
  4. Metal film resistor is widely applied in these fields such as outer space research, aviation, national defense, computer, and communication. high stability and high reliability is very important in these fields

    金屬膜電阻器是一種應用廣泛的通用電子元件，尤其在需要高穩定性、高可靠性的太空、航空、國防以及在電子計算機、通訊儀器、電子交換機中應用較多。
  5. Fixed resistors for use in electronic equipment - part 4 : detail specification : fixed power wirewound resistors with solderable axial wire leads - stability class 5 % - assessment level e

    電子設備用固定電阻器.第4部分:詳細規范.具有可焊軸向導線的固定功率線繞電阻器. 5 %穩定度.評定級e
  6. Fixed resistors for use in electronic equipment - part 4 : detail specification : fixed power wirewound resistors with solderable axial wire leads - stability class 1 % - assessment level e

    電子設備用固定電阻器.第4部分:詳細規范.具有可焊軸向導線的固定功率線繞電阻器. 1 %穩定度.評定級e
  7. Fixed resistors for use in electronic equipment - part 5 : detail specification : fixed precision wirewound resistors with solderable axial wire leads - stability class 0, 1 % - assessment level e

    電子設備用固定電阻器.第5部分:空白詳細規范.具有可焊軸向導線的固定精密線繞電阻器. 0 . 1 %穩定度. e級評定
  8. Fixed resistors for use in electronic equipment ; part 8 : sectional specification : fixed chip resistors

    電子設備用固定電阻器.第8部分:分規范:固定式片狀電阻器
  9. Fixed resistors for use in electronic equipment - part 8 : sectional specification : fixed chip resistors ; amendment 1

    電子設備用固定電阻器.第8部分:分規范:固定式片狀電阻器.修改件1
  10. Fixed resistors for use in electronic equipment ; part 8 : blank detail specification : fixed chip resistors, assessment level e

    電子設備用固定電阻器.第8部分:空白詳細規范.第1節:固定式片狀電阻器. e級評定
  11. The observer makes use of motor parameters to estimate speed, but these parameters ( stator and rotor resistance, magnetizing inductance ) will vary because of the change of environmental temperature, iron loss and main flux saturation. so parameter variation will lead to the error of estimation, the purpose of this paper is to study the influence and the compensation of parameter variation

    因為觀測器在估計轉速時利用的是電機的額定參數，而電機的參數（定子電阻、轉子電阻、勵磁電感）由於環境溫度的變化、鐵心損耗和主磁飽和的影響將發生變化，所以必然有估計誤差產生。
  12. Harmonized system of quality assessment for electronic components : sectional specification : fixed precision resistors

    電子元器件用質量評估協調體系.分規范.固定式精密電阻器
  13. Specification for harmonized system of quality assessment for electronic components - blank detail specification - fixed precision resistors

    電子元器件用質量評估協調體系規范.空白詳細規范.固定式精密電阻器
  14. F specification for harmonized system of quality assessment for electronic components - blank detail specification : fixed precision resistors assessment level f

    電子元器件用質量評估協調體系規范.空白詳細規范:固定式精密電阻器
  15. 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。
  16. Specific issues examined are : compensation for the variation of the stator resistance, the offset error of the dc bus voltage, the voltage error generated by the forward voltage drop the dead time of the switches, improvement of the steady state performance, and the speed sensorless control for the pmsm dtc drive system are of major concern in this thesis

    定子電阻變化，直流母線電壓漂移，開關器件反向相電壓降、逆變器死區時間引起的電壓誤差的補償，提高系統穩態運行性能以及永磁同步電機直接轉矩控制的無速度傳感器運行方案等問題都是本文研究的重點。轉矩的快速響應是直接轉矩控制演算法的一個卓越的性能。
  17. Classic u - i model is simple. however the integrator inevitably bring up the error accumulation and dc drift. this paper present a new integrator method. it has been proved to be a successful alternative for integrator, but in simulation it is found not fit for dtc

    定子磁鏈的觀測是dtc的關鍵技術，傳統的u - i模型結構簡單，實用，但是由於積分器將電流檢測中的直流偏置累加，而且對定子電阻的變化魯棒性不夠。
  18. To achieve it the author established a new observation flux linkage based on mras ( model reference adaptive system ), which choose the stator current as comparing signal and can effectively estimate the flux linkage and rotate speed with simple configuration. the speed estimation with speed sensorless is an important trend of modern ac drive

    對磁鏈的觀測採取了改進的u - i積分器，並提出了一種新型的定子磁鏈mras自適應觀測器，以定子電流作為比較信號，結構簡單，能有效地辨識定子電阻，從而真正有效地估計定子磁鏈和速度。
  19. In the conventional pmsm dtc system, the stator flux linkage is calculated from the integration of the difference between the machine input voltage and voltage drop across the stator resistance, and the input voltage is obtained by synthesizing the dc - link voltage and the switching mode of the inverter

    在常規直接轉矩控制系統中，定子磁鏈是通過直接積分電機端部輸入電壓與定子電阻壓降之差計算得到的。電機端部的輸入電壓又是通過電機直流母線電壓和逆變器的開關狀態綜合得到的。
  20. Abstract : a mutual model reference adaptive method for the rotor speed and stator resistance identification is proposed in this paper to implement a speed sensorless direct torque control of induction motors

    文摘:本文介紹了一種可互換模型參考自適應方法實現對電機轉速和定子電阻的辨識，並將其應用於異步機的無速度傳感器直接轉矩控制中。
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