正反轉電動機 的英文怎麼說
中文拼音 [zhēngfǎnzhuǎndiàndòngjī]
正反轉電動機
英文
reversible motor- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 轉 : 轉構詞成分。
- 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...
- 機 : machineengine
- 電動機 : electric motor; motor (俗稱「馬達; 電滾子」)電動機並聯法 parallel connection of the motors; 電...
- 電動 : motor driven; power driven; power operated電動擺 motor pendulum; 電動扳手 electric wrench; 電動泵...
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To improve the capability of the bearing - less slice permanent motor, to reduce the ullage of the motor and the badly additive torque, i design optimization the structure of the rotor pm, and two projects are proposed. one is four pieces rotor pm which is the same magnetized and the other is eight pieces rotor pm which is different magnetized direction
為了進一步改善片狀無軸承永磁電機的動態性能,減小電機的損耗及有害的附加轉矩,優化設計了轉子永磁貼片的結構,提出了四片同向充磁和八片正反向充磁兩種方案。For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions
針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機,本文提出一種基於六個離散位置信號的自同步svpwm (電壓空間矢量法)控制方法,用以削弱電磁轉矩脈動,分析了實現這種方法的主要控制環節,包括起動時電壓空間矢量的初始定位,阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles
對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較,模擬研究和實驗結果表明,當反電動勢的平頂寬度小於107電角時,採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上,更有效地抑制電磁轉矩脈動。For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value
闡述了抑制齒槽轉矩措施對反電動勢波形的影響,利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形波反電動勢在正弦波和矩形波兩種電流驅動下的電磁轉矩脈動情況,得出在梯形波平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。Control system by using of japanese p. l. c system and servo electrical drive system by using of west germany basic design in order to the cutting length, square, tension control and sheet counting can be operated directly through operator and machine interface, are equipped with automatic shutdown function and also the speed, the amount of reams, the square of decurler, cutting size, breakdown can be dispayed clearly. easier for controlling the operation
控制系統採用日本系統及西德伺服電機設計理念,使紙張裁切的長度菱角的方正張力的控制及張數的計數可透過人機界面直接輸入,並有自動停機的功能設計,此外還可顯示速度令數反曲器之工作角度總切斷張數等數據,以及運轉故障之顯示,有助於機器維護工作的進行。In this chapter, the method of bldcm rotor position detection is first discussed. then the principle and algorithm of bemf zero crossing point detection is explained. in succession, the chapter dissertates the software realization of the bemf zero crossing point detection algorithm, the software disturbance filter and the modification of phase displacement, and the software realization of commutation point
在這一章中,先簡述了無刷直流電機的轉子位置器檢測方法;然後論述了反電動勢過零檢測原理和演算法以及該演算法的軟體實現、軟體濾波和相移修正、換相點的軟體實現;最後對軟體開環換相起動策略作了詳細論述。In this paper, the design of electric forklift driving controller is demonstrated. otherwise, can is added into this controller, so as to build up can networks with other modules equipped with can controllers. this paper is composed of 7 chapters : in the first chapter, the background of the paper is introduced ; in the second chapter, the structure of electric forklift is demonstrated ; in the third chapter, first the math model of series motor is found, then the motor is controlled as improved p1d control rule ; in the fourth chapter, the principle and realization method of forward and reverse rotation and back - feed brake are explained ; in the fifth chapter, the principle of can and design of application layer in can are illuminated ; in the sixth chapter, the principle of e2prom is clarified ; in the last chapter, summary of the whole paper is given, and prospect in this field is made
全文共分七章:第一章緒論,介紹了論文背景;第二章,系統綜述,介紹了電動叉車的整車結構;第三章,串勵電機的建模、改進的pid演算法及其軟硬體實現,首先根據串勵電機的機電特性推導出數學模型,然後在此基礎上結合pid控制規律對電機進行控制;第四章,串勵電機的正反轉及回饋制動,介紹了實現電機正反轉及回饋制動的原理及方法;第五章, can網路實現模塊間通訊,介紹了can總線原理及can總線應用層設計;第六章,用串列e ~ 2prom實現參數設定,介紹了串列e ~ 2prom的原理;結束語,對本論文進行了總結,並對該領域的發展進行了展望。For the bldcm which has a neither sinusoidal nor trapezoidal back - emf, that is, for a general shape back - emf bldcm, this dissertation proposes a novel id = 0 vector control method. by this method, the iq for a constant torque to produce is calculated through coordinate transformation, and the reference iq is tracked by vector control in the dq0 frame
對于實際反電動勢波形既非正弦又非梯形波的無刷直流電動機,提出一種新型的任意波形反電動勢無刷直流電動機的i _ d = 0矢量控制方法,通過坐標變換浙江大學博士學位佑文摘要求解產生恆定電磁轉矩所需的q軸電流,並在dqo坐標系下通過矢量控制對q軸參考電流進行跟蹤。Abstract : this paper proposes an self - adaptive speed - accommodating control circuit, which can get the speed - error, and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed
文摘:文章介紹了通過自比較來檢測錄音機主導軸單相永磁交流測速發電機反饋信號的頻率變化,從而獲得速度誤差,並自動校正轉速的一種自適應速度調節控制電路。Through orthogonal experiment design, the preparation technology of reactive extrusion dynamic vulcanization for low hardness epdm / pp blend thermoplastic dynamic vulcanizates was studied, and the effects on micromorphology of extruded vulcanizates of such main technological factors as barrel temperature, feed screw driven voltage and host machine screw rotation rate were discussed
摘要通過正交試驗設計,研究了低硬度epdm / pp共混型熱塑性動態硫化膠的反應擠出動態硫化制備工藝,初步探討了機筒溫度、喂料螺桿驅動電壓及主機螺桿轉速等主要工藝因素對擠出物微觀相態結構的影響。This dissertation presents several novel control techniques for the torque ripple minimization of pm bldcm. according to the different back - emf waveforms of bldcm, this dissertation gives a detailed analysis to the torque ripple due to trapezoidal emf, pseudo - sinusoidal emf, and general shape emf respectively, and from each one proposes a kind of control technique for torque ripple minimization
根據永磁無刷直流電動機反電勢波形的不同,對方波型無刷直流電動機的換相轉矩脈動,準正弦波( pseudo - sinusoidalemf )反電動勢無刷直流電動機以及任意波形反電動勢無刷直流電動機的電磁轉矩脈動,進行了詳細的分析,分別提出三種不同的控制策略,進行轉矩脈動抑制控制。In the structure design of system, the position of sensors was controlled by step motor accurately. and the running wheel set drove the detected wheels running in certain speed
系統結構設計中,採用步進電機驅動的導軌,帶動滑臺上的傳感器支架裝置和托輪定位裝置實現被測輪對的定位,採用轉輪裝置實現輪對正反轉。In this paper, we design two types of flexible hinge, which are column stagger flexible hinge and flat straight round flexible hinge. the control system of the drive equipment includes the unity of the central console and control module. the console regards vc + + 6. 0 as the tool, it can set pulse number and pulse speed, start and stop the electromotor
微驅動裝置的控制部分由上位機和控制模塊組成,上位機採用vc + + 6 . 0編制控制界面,可以設置電機旋轉所需的脈沖數和脈沖速度,可以實現電機的起停,正反轉及脈沖清零等工作,還可以分別控制不同鏡架的電機及相同鏡架的兩個電機。Wp201 202 series isolation transformation module adopts miniature guide way type structure surface packing technique, has a great improved anti - interference ability of module, it can to transform analog signal such as temperature, pressure, flow, displacement, standard voltage and current and so on into isalated with it the standard voltage or current signal output and wide use to fields such as metallurgy, chemical industries, petroleum chemical, papermaking and printing dyeing, brewing, tobacco and aerospace base and so on. it may intuitionally indicates measuring value, can modify the parameter, easy to field debugging and operation
智能給定操作器具有萬能分度號輸入的位式控製表所有特點,自動時測量值與給定值比較,決定操作器輸出的正轉或反轉,雙屏數碼管顯示,上屏顯示測量值,下屏顯示給定值,手動時由按鍵操作決定正轉或反轉開關量輸出,與電動執行機構配合可控制系統的液位或溫度等。Heat energy meanings of the meter includ quantity of heat cold. wp201 202 series isolation transformation module adopts miniature guide way type structure surface packing technique, has a great improved anti - interference ability of module, it can to transform analog signal such as temperature, pressure, flow, displacement, standard voltage and current and so on into isalated with it the standard voltage or current signal output and wide use to fields such as metallurgy, chemical industries, petroleum chemical, papermaking and printing dyeing, brewing, tobacco and aerospace base and so on
具有萬能分度號輸入的位式控製表所有特點,自動時測量值與給定值比較,決定操作器輸出的正轉或反轉,雙屏數碼管顯示,上屏顯示測量值,下屏顯示給定值,手動時由按鍵操作決定正轉或反轉開關量輸出,與電動執行機構配合可控制系統的液位或溫度等。Electrohydraulic push rod drives the two - way pump to output pressure oil with rotation of motor clockwise and counter - clockwise, by control of hydraulic valve, send to the hydraulic cylinder, to achieve the reciprocating movement of the piston rod
電液推桿以電動機正反轉,帶動雙向泵輸出壓力油,經液壓閥控制,送至液壓缸,實現活塞桿的往復運動。分享友人