磁控電阻器 的英文怎麼說
中文拼音 [cíkòngdiànzǔqì]
磁控電阻器
英文
magneto resistor- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 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...
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This model of electromagnetic valve has the single - way check function and a patent design of block - up resisting and is the ideal self control valve for the water supply system with a high level container or tank or the automatic water supply system with a high level container or tank or the automatic water supply facility required the function of adverse current prevention. the amalgamation inflicts to hike in the inflexions of can percolation function that purge
Fcd . 3 148f :進水口與出水口均為4分15外螺紋銅接頭該型電磁閥具有單向止回功能,專利防阻塞設計,是高水位容箱器供水系統或其他兼需防逆流功能的自動供水設備的理想自控閥門;並增加了過濾裝置。Practical design for controller of switched reluctance motor drive
一種實用的開關磁阻電機驅動控制器設計Research on ipc - based self - sensing magnetic damp testing system
基於工控機的自感式電磁阻尼器試驗臺架的研究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。Considering the above control strategies which make the controller can not be real - time processing because its workload has increased, control circuits of the main switches based on eprom are designed, which can implement control scheme of firing angles and phase voltage. furthermore, it avoids power converter saturation in the process of commutation
上述控制策略的引入造成控制器運算量增大、難以在線實時控制,又設計了基於eprom的主開關器件通斷控制電路,實現了開關磁阻電動機開通關斷角控制及對施加於相繞組上電壓的優化控制,同時避免了換相時可能引起的功率變換器飽和現象。A problem is choosing the control current of mr damper. in this paper, fuzzy logic controller is introduced to choose the control current, and full - state intelligent control for structures is carried and fuzzy logic full - state control is proposed. 3
對于磁流變阻尼器控制電流的精確選擇問題,本文引入模糊邏輯控制器進行電流選擇,並實施對結構的全態智能控制,提出了模糊邏輯全態控制; 3The other is supported by emerson network power co., ltd as an advanced research project. and this paper mainly introduces how to design and realize a four - quadrant running srd system to control a 3kw srm ( 8 / 6 poles ) based on a dsp ( tms320f240 ), which uses h - bridge power convertor and power - consumption braking method
本文基於省重點科研項目「開關磁阻電機新型控制及其調速系統」和深圳emerosn網路能源公司預研部項目,分析討論了如何設計實現一套以3kw的四相( 8 6極) srm為控制對象以dsp為控制核心採用h橋式功率變換器和能耗制動方式的四象限運行srd系統。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。The drive current control method of magnetorheological damper was designed by force error of suspension damper control force and output force of magnetorheological damper
根據懸架阻尼控制力與磁流變阻尼器輸出阻尼力的力誤差,設計了磁流變阻尼器驅動電流控制方法。Finally, based on the results of theory and simulation, a model of reluctance coil launcher is realized. it is proved that the new launcher overcomes the shortcomings of the traditional coil launcher whose discharge time is difficult to control and structure is complex. the excellent performance of the launcher is proved by the experiment data
最後,根據理論分析和模擬結果,搭建了一種磁阻型線圈發射系統,實驗結果說明該發射系統克服了傳統磁阻型發射器放電時間難于控制和線圈結構復雜的缺點,實驗數據很好地驗證了新型發射器的理論設計和模擬結果,為今後的學習積累了實驗數據和實踐經驗,為進一步的研究探索提供了指導。Dissertation researched on the switched reluctance motor control system which takes intel 80c196kc mcu as the control core. designing a control scheme based on position sensor
論文對以80c196kc單片機為控制核心的開關磁阻電動機控制系統進行了研究,得出基於有位置傳感器檢測的控制方案。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。Thus, more and more experts at home and abroad study on this aspect, and acquire many achievements. but there are many problems about choosing of control current of mr dampers and time - delay existing in mr structure, which require be solving and completing
因此,國內外已有越來越多的專家學者投入到此方面的研究,並已取得了一些成果,但在磁流變阻尼器控制電流的精確選擇及磁流變阻尼結構控制的時滯等方面仍存在許多問題,有待進一步解決完善。A composite rotor flux observer is applied to induction motor vector control system, which makes the system avoid to be influenced by the alteration of rotor resistance
摘要採用基於電壓模型及電流模型的復合磁鏈觀測器,避免了矢量控制時異步電機工作溫升引起的轉子電阻變化所帶來的磁鏈觀測不準確問題。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。Based on the simulation results, designs and develops a fuzzy - controlled semi - active suspension system in which dsp plays the main role
在此基礎上,提出了基於磁流變阻尼器的模糊pid控制方法並設計開發了以dsp晶元為主控器件的阻尼器電控系統。The dissertation focuses on the semi - active vibration control for the linear suspension of the full - vehicle model in chapter 4. it develops a two - stage control strategy, dividing the full - vehicle suspension and the four mr dampers into two different parts. the upper stage controls the full - vehicle suspension by using the lqg with all the control objectives taken into account and determines the desired restoring
該方法將多輸入多輸出的非線性系統經過輸出解耦變換,簡化成四個單輸入單輸出的子系統,通過分別對單級anfis模糊系統的離線辨識和在線調整相結合,產生四個磁流變阻尼器所需要的控制電壓,以此對非線性整車懸架系統的實施智能控制。In this paper, the research actuality status of zno thin film ’ s structural character, preparation methods and electrical - optical properties is summarized. the effect of sputtering parameters, annealing parameters and doped sb2o3 on the structure, optical absorption and electrical properties of zno thin film is studied by sem, xrd, xps, eds, uv - vis spectrophotometer, hall effect detector, four - point probe electric resistance measurement and direct - current impedance measurement etc. the results of sem, xrd and edx show that zno thin film possesses good processing stability
本文在綜述zno薄膜的結構特性、制備方法和光電性能等現狀的基礎上,採用射頻磁控濺射技術制備了純和sb _ 2o _ 3摻雜的zno薄膜,採用sem 、臺階儀、 xrd 、 xps 、 uv - vis分光光度計分析、電阻儀、阻抗譜儀等儀器設備分別研究了濺射工藝參數、退火工藝參數和sb _ 2o _ 3摻雜對zno薄膜結構特性、光吸收性能和電學特性的影響規律。The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,
最後,論文給出了結倫:磁流變液阻尼器是半主動控制裝置中非常吸引人的控制元件之一,混合工作模式的磁流變阻尼器結構簡單,阻尼效果比流動模式和剪切模式均要好,是一種比較理想的磁流變阻尼器;電樞活塞式磁流變阻尼器作為混合模式磁流變阻尼器的一種結構形式,其結構設計合理,性能良好,具有較強的實用價值,值得在工程中推廣應用;在電樞活塞式磁流變阻尼器的設計中,應特別注意工作間隙h 、工作直徑d 、磁極長度卜都對阻尼器的阻尼力有明顯的影響,並注意選用合適的磁流變液材料;輸入電流對磁流變阻尼器的阻尼效果影響很大,輸入大電流時阻尼力明顯增大,減振效果明顯提高。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。分享友人