| 1. | 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。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | 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。 |
| 10. | 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。 |
