無刷的 的英文怎麼說
中文拼音 [wúshuāde]
無刷的
英文
brushless-
Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。This paper is based on " the remodeled item of the 122mm automatic barbette servo system ". it introduced the controlled project of brushless direct current motor realized by dsp at first. on the base of analyzing and studying the driving wave of the brushless direct current motor thoroughly and fully, it carried on the servo system ' s simulink and presented the concrete software and hardware ' s devise of the whole system in the end
本論文的撰寫是以「 122mm自行迫榴炮伺服控制系統的改型項目」為基礎,首先介紹了dsp實現無刷直流電機的控制方案,在深入、系統的分析和研究了無刷直流電機驅動波形的基礎上,然後進行了伺服控制系統的模擬,最後給出了伺服控制系統具體的軟硬體設計。Coact company is a manufacturer specially produced precision stepping motor, brushiess dc motor and drives
本公司是一家專業生產精密步進馬達,無刷直流馬達及驅動器的製造商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。He compared the insignificant white-washed strip with the far-reaching continent of unwhitewashed fence.
他把刷過的那渺小的一條和還沒有刷過的那一望無邊的圍墻對比了一下。Some studies on control modes of the system, especially on a dc, pm, brushless and sensor - less motor driven systems. a method of rotor position identification without sensors has been developed. using a microchip to increate system efficiency, anti - disturbing ability and reliability of pwm modulation
研究了適于直流、無刷、永磁、無位置傳感器電機轉子位置的檢測方法;採用單片機實現了該種電機的運行控制,提高了系統在pwm調制時位置檢測換相控制過程的抗干擾能力。These horrible events have darkened the pages of european history with an indelible strain.
這些可怕的事件在歐洲的史冊上留下了黑暗的記載,給它抹上了無法洗刷的污點。Dongguan yuhong micromotor co., ltd, affliated to yuhong industry co., ltd., is a professional manufacturer mainly specialize in all kinds of brushless dc micro - motors and various fans
東莞市宇鴻微電機有限公司隸屬于東莞市宇鴻實業有限公司,專業生產以無刷直流電機為主的各類微特電機,以及散熱風扇的企業。Research on the vibration and noise of the minitype brushless dc motor
小型無刷直流電動機振動與噪聲的研究Each code card saving ic has its feature ; therefore the general plate printing technique cannot be used. the special printer of lian yeou printing co. can fast print out the code with various information and its quality is extremely high ; on time delivery is guaranteed
密碼儲值卡具有每一張上面資料都不同的特性,所以無法以一般製版印刷的方式製作,聯有引進特殊印刷機,能夠快速的印出每張不同資料的卡片密碼,品質高、速度快、交貨準時。Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed
通過理論分析、模擬分析和實驗驗證,得出這兩種旋轉變換器都能進行感應電能傳輸,但它們的傳輸功率是不同的,反激式旋轉換器最大隻能傳輸幾十瓦功率的感應電能,因此只能用在感應電能傳輸較小的場合,或者信號傳輸的場合;而全橋式旋轉變換器能傳輸較大的功率,可用於電機的新型無刷勵磁方案中。Application on brushless rheostat starter in the preparation plant of bailong coal mine
無刷變阻起動器在白龍礦洗煤廠的應用Theory of thulium no - brush dc motor will be research. 2
了解稀土永磁無刷直流電機的工作原理。Torque ripple reduction in brushless dc motor drives using a buck converter
變換器的無刷直流電機轉矩脈動抑制方法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。This new family of dsp ' s enables cost - effective design of intelligent controllers for brushless motors which can fulfill enhanced operations, consisting of fewer system components, lower system cost and increased performances
利用dsp系列晶元進行低成本、高智能無刷電機控制系統的設計,能夠簡化系統構成、降低系統成本、增強系統性能,同時能夠勝任各種操作要求。The simulation results prove that this control technique can effectively minimize the torque ripple for the bldcm drives whose back - emf waveform crest width is less than 120
模擬結果表明這種控制策略能有效地抑制反電動勢平頂寬度小於120電角的無刷直流電動機的換相轉矩脈動。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。Development of electromechanical actuation system for flight control is one of the most important technologies in the path to all - electric airplane
摘要飛行控制中機電作動系統的發展是全電飛機的重要技術之一,而高速大功率密度的無刷直流電動機是其中的關鍵部件。分享友人