pulsating torque造句
例句与造句
- These are justified by simulation . 5 . the principle of compensating pulsating torque is proposed
分析了谐波加入法消除转矩脉动的原理和摘要不足。 - So the compensation of pulsating torque is very importance for the application of pmsms
因此,对无刷直流电动机的应用,必须考虑其转矩脉动的抑制问题。 - The pulsating torque components caused by stator current divergence from ideal conditions are studied
消除转矩脉动可以通过对定子电流加入谐波的方式完成。 - At the meantime , there are the problems about the pulsating torque output and emi existed in the controller and we analyze the causes
同时,指出了该系统中存在的转矩脉动大、电磁干扰等问题,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,无刷直流电动机具有较大的转矩脉动,而对于这些应用场合,转矩平滑通常是基本要求。 - It's difficult to find pulsating torque in a sentence. 用pulsating torque造句挺难的
- 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
近年来dtc的研究虽然已经取得了很大的进展,但是它在理论和实践上还不够成熟,如低速性能差、脉动转矩大。 - 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
本文从无刷直流电动机及其控制系统的基本结构出发,对转矩脉动及其补偿方法进行了较为细致的分析。 - 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 、对造成转矩脉动的主要成分转矩纹波进行谐波分析,得出在一般假设情况下,无刷直流电动机系统的转矩纹波由电磁转矩的6n次谐波造成的结论。 - 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
电压空间矢量pwm技术( svpwm )将逆变器和电动机视为一体,由之控制的变频器具有输出转矩脉动量低、直流电压利用率高、开关损耗小、高速调速性能好等优点,适用于高性能电机调速控制系统。 - 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 、对基于干扰观测器的转矩脉动控制系统进行了改进,设计了一种模糊推理控制器,根据电机速度和负载转矩的变化调整干扰观测器的增益,保证了转矩脉动控制系统的控制精度,并扩大了其运行范围。 - 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
本文通过对无换向器电动机模型的换相过程和电流波形的研究,得到换相转矩波动受直流电源电压和电动机电动势幅值的比( u / e )的影响较大的结论并获取了最佳u / e ,同时通过仿真研究了电流波形,提出了减小转矩脉动的控制策略。 - 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
该系统将负载转矩、转矩纹波以及由电机参数的变化引起的转矩干扰作为系统干扰,用干扰观测器进行观测,以此为基础对转矩脉动进行补偿,实现对转矩脉动的抑制。