stator resistance 中文意思是什麼

stator resistance 解釋
定子電阻
  • stator : n. 【電學】(固)定子;【航空】導向葉片壓氣機。
  • resistance : n. 1. 抵抗,反抗,抗拒,抵禦;敵對,抵抗力,反抗力,阻力,【生物學】抗病性。2. 【電學】電阻;阻抗;電阻器。
  1. In the process of parameters identification, the stator voltag is considered as input quantity and the stator current and motor rotate speed are considered output quantities. the rotor resistance and leakage inductance are estimated on - line and the identification results is got at last

    在參數辯識過程中,以電機起動時的定子電壓為輸入量,定子電流和電機轉速為輸出量,對復合籠條轉子感應電動機轉子電阻和漏感進行在線估計,最後得到轉子電阻和漏感的辨識結果。
  2. 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。
  3. The accurate calculation of the input voltage and the compensation for the dc - offset error and the variation of the stator resistance are important factors in practical implementation of the integration since they can cause a drift in the stator flux linkage trajectory and furthermore deteriorate the quality of torque control

    因此,輸入電壓的準確計算、直流漂移量的補償以及定子電阻變化的補償都是影響積分計算準確性的重要因素,這些誤差會導致定子磁鏈軌跡的偏移,進而降低系統轉矩控制的性能。
  4. 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。
  5. 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。
  6. Firstly, the stator and rotor resistances are identified on - line, and then the corresponding temperatures are calculated according to the principle that the metal resistance linearly depends on its temperature. results of numerical simulations and experimental tests show that the method is valid and effective

    根據金屬電阻與其溫度在大范圍內成嚴格線性關系這一原理,在辨識出異步電動機定、轉子電阻之後,即可計算異步電動機定、轉子溫度,進而實現定、轉子溫度在線監測。
  7. Under the conditions of high safe coefficient of insulated electrical strength of the stator winding of the generator, the selection of earthing resistance value should meet the needs of matching one - point earthing protection of the stator and limiting the fault current

    在發電機定子繞組絕緣電氣強度有較高的安全系數的情況下,接地電阻值的選取應主要服從與定子一點接地保護的配合及限制接地故障電流的需要。
  8. 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。
  9. At the same time, a novel stator and rotor resistance identification method under steady state is presented in this paper

    此外,針對對稱穩態運行情況,本文提出了一種異步電動機定、轉子電阻辨識方法。
  10. Constant stator magnetic linkage control frequency converter includes power devices utilizing igbt, drive circuit using three - phase drive ic with multiple protection functions. pwm signal formation circuit in the way of voltage space vector control and realized with pld ( programmable logic device ) devices and compensation for the influence of supply voltage variation and stator resistance voltage drop

    其中,恆定子磁鏈控制變頻器的設計中主電路採用功率器件igbt ;驅動電路採用三相多功能集成驅動晶元; pwm脈寬調制信號產生電路採用電壓空間矢量控制方式,由pld器件實現;對電源電壓變化及電阻壓降造成的影響進行了補償。
  11. In the chapter 3, based on the analysis and summary for the stator resistance - current relation, the fuzzy inference parameters of the stator resistance and the inference rules are determined, and the control parameters of the switching state selector are optimized

    第三章在分析總結定於電阻與電流非線性關系的基礎上,確定了定於電阻模糊推理變量及推理規則,並對開關狀態選擇器的控制變量進行了優化。
  12. The d. c. resistance of each phase is also checked against the calculated resistance value for the stator and for balanced resistance between each phase

    每個相位的直流電阻也經過與定子的設計負載電阻值進行核對,以確認能夠在每個相位之間進行平衡。
  13. 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。
  14. Resistance of the stator is obtained by solving a 1 - d magnetic field diffusion problem. based on the code, curves of fcg ' s inductance, resistance, temperature and its output current, voltage are calculated. secondly, the expanding process for an armature of a helical fcg is studied in depth by a nonlinear, explicit finite - element ( fe ) code

    數值計算電感時考慮了螺旋型fcg的三維效應,以及電樞表面鏡像電流的分佈,並通過求解圓柱型導線的一維磁場擴散問題比較精確地得到了fcg定子的電阻,在此基礎上計算了fcg裝置的電感、電阻、輸出電流、電壓和溫度等隨時間的變化。
  15. Research on the stator resistance intelligent observer based on bp neutral network

    神經網路的定子繞組智能觀測器的研究
  16. Motor nozzle : the product adopts hard alloy or carbon steel heat treatment and receives precision grinding and polishing by professional processing equipment. therefore, it boasts high resistance to flexure and to wear and is extensively applied in fields of series, fan, micro - motor and motor for wire coiling of stator and rotor

    產品描述: :此產品以超硬質合金或碳鋼熱處理為材料,使用專業加工設備精密磨削和拋光加工而成,有極好的抗彎強度、耐磨性,廣泛用於串激、風扇、微電機、馬達等行業的定子、轉子的線圈繞制上。
  17. The wavelet networks are used in identifying the stator resistance of induction motor direct torque control. the simulation results show that this method is effective and feasible

    將小波網路應用於對交流電機直接轉矩控制中的定子電阻辨識,取得了較好的效果。
  18. 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。
  19. To the problems of compensating stator flux linkage, tuning stator resistance and the problems in the low speed region, it is proposed to solve above problems using artificial neural network and fuzzy control

    針對定子磁鏈補償和定子電阻辯識及低速區存在的問題,本文提出了用神經網路結合模糊控制技術解決上述問題的方案,並進行了具體研究。
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