pulsating torque造句
例句與造句
- These are justified by simulation . 5 . the principle of compensating pulsating torque is proposed
分析了諧波加入法消除轉(zhuǎn)矩脈動的原理和摘要不足。 - So the compensation of pulsating torque is very importance for the application of pmsms
因此,對無刷直流電動機(jī)的應(yīng)用,必須考慮其轉(zhuǎn)矩脈動的抑制問題。 - The pulsating torque components caused by stator current divergence from ideal conditions are studied
消除轉(zhuǎn)矩脈動可以通過對定子電流加入諧波的方式完成。 - At the meantime , there are the problems about the pulsating torque output and emi existed in the controller and we analyze the causes
同時,指出了該系統(tǒng)中存在的轉(zhuǎn)矩脈動大、電磁干擾等問題,并分析了其原因。 - The main disadvantage of pmsms is its pulsating torque . torque smoothness is an essential requirement in a wide range of high - performance motion control applications
然而,無刷直流電動機(jī)具有較大的轉(zhuǎn)矩脈動,而對于這些應(yīng)用場合,轉(zhuǎn)矩平滑通常是基本要求。 - It's difficult to find pulsating torque in a sentence. 用pulsating torque造句挺難的
- Although dtc have made fast progress in recent year , it has disadvantage in the theory and performance that not good at low speed operation and having serious pulsating torque
近年來dtc的研究雖然已經(jīng)取得了很大的進(jìn)展,但是它在理論和實(shí)踐上還不夠成熟,如低速性能差、脈動轉(zhuǎn)矩大。 - This paper addresses on the problem of the compensating techniques of pulsating torque in pmsms . the techniques of pulsating torque minimization based on the improvement of control schemes are focused on
本文從無刷直流電動機(jī)及其控制系統(tǒng)的基本結(jié)構(gòu)出發(fā),對轉(zhuǎn)矩脈動及其補(bǔ)償方法進(jìn)行了較為細(xì)致的分析。 - 3 . with fourier decomposition , the main component of pulsating torque , torque ripple is studied . it can be determined that torque ripple is caused by harmonic order 6n under the usual common conditions
3 、對造成轉(zhuǎn)矩脈動的主要成分轉(zhuǎn)矩紋波進(jìn)行諧波分析,得出在一般假設(shè)情況下,無刷直流電動機(jī)系統(tǒng)的轉(zhuǎn)矩紋波由電磁轉(zhuǎn)矩的6n次諧波造成的結(jié)論。 - The inverters based on space - vector pwm technique have many good qualities , such as less pulsating torque , higher usage of dc bus voltage , less switching loss , better high - speed regulation performance , so it is applicable for the high - performance motor control system
電壓空間矢量pwm技術(shù)( svpwm )將逆變器和電動機(jī)視為一體,由之控制的變頻器具有輸出轉(zhuǎn)矩脈動量低、直流電壓利用率高、開關(guān)損耗小、高速調(diào)速性能好等優(yōu)點(diǎn),適用于高性能電機(jī)調(diào)速控制系統(tǒng)。 - 9 . a fuzzy reasoning controller is designed to improve the performance of the mentioned disturbance observer . as the motor speed and load torque varying , the parameter of the disturbance observer can be changed by the fuzzy controller based on experiences . the pulsating torque can be compensated more strictly in a extended range
9 、對基于干擾觀測器的轉(zhuǎn)矩脈動控制系統(tǒng)進(jìn)行了改進(jìn),設(shè)計了一種模糊推理控制器,根據(jù)電機(jī)速度和負(fù)載轉(zhuǎn)矩的變化調(diào)整干擾觀測器的增益,保證了轉(zhuǎn)矩脈動控制系統(tǒng)的控制精度,并擴(kuò)大了其運(yùn)行范圍。 - Abstract in this paper the phase commutation and current curves of brushless motor variable - speed system are studied . according to the results that the pulsating torque is influenced greatly by the ratio of the direct current supply voltage and the electromotive force of the motor , an approach to reduce the pulsating torque is presented
本文通過對無換向器電動機(jī)模型的換相過程和電流波形的研究,得到換相轉(zhuǎn)矩波動受直流電源電壓和電動機(jī)電動勢幅值的比( u / e )的影響較大的結(jié)論并獲取了最佳u / e ,同時通過仿真研究了電流波形,提出了減小轉(zhuǎn)矩脈動的控制策略。 - 8 . a pulsating torque minimization approach based on disturbance observer is proposed . the new disturbance observer is designed to observe the unknown torque disturbance caused by the torque ripple , the varying of the motor parameters , the changing of load torque and the not ideal performance of the inverter
該系統(tǒng)將負(fù)載轉(zhuǎn)矩、轉(zhuǎn)矩紋波以及由電機(jī)參數(shù)的變化引起的轉(zhuǎn)矩干擾作為系統(tǒng)干擾,用干擾觀測器進(jìn)行觀測,以此為基礎(chǔ)對轉(zhuǎn)矩脈動進(jìn)行補(bǔ)償,實(shí)現(xiàn)對轉(zhuǎn)矩脈動的抑制。