In this paper a new torque controller with fixed switching frequency is proposed.
文中提出了一种新型的开关频率固定的转矩控制器。
It features in low torque ripple, low flux ripple and fixed switching frequency.
它具有开关频率恒定，转矩和磁链波动小等特点。
SVPWM technique have many good qualities, such as less pulsating torque, high usage of DC bus voltage, less switching loss, better high-speed regulation performance.
SVPWM具有较高的直流电压的利用率，开关损耗小，从而实现了高性能的逆变输出。
The results indicate that the proposed controller is capable of maintaining the torque switching frequency constant and reducing the torque ripple, particularly at low speed.
结果表明提出的控制器可以保持开关频率恒定，并降低了转矩脉动，尤其在低速时。
Fixed switching frequency and low torque ripple are obtained using space vector modulation.
使用空间矢量调制固定开关频率和低转矩脉动。
Double space vector modulation and overmodulation of matrix converter were proposed in this paper to ensure the matrix converter switching frequency to be fixed and fast dynam-ic torque response.
结合矩阵变换器双空间矢量调制方法，并将矩阵变换器过调制方法用于感应电机直接转矩控制中，达到矩阵变换器开关频率恒定和电机快速转矩响应的目的。
The simulation results show that the improved control system significantly reduces the torque ripple, current ripple and effectively decreases the inverter switching frequency.
仿真结果表明：改进后系统使逆变器开关频率减小，损耗降低，转矩有明显的改善。
Based on the simulation model of direct torque control of synovium, the switching frequency of SVPWM algorithm is 5khz compared with that of traditional direct torque control.
基于滑膜直接转矩控制的的仿真模型，相对于传统直接转矩控制有了改进，SVPWM算法的开关频率为5khz。
In Chapter 4, perpendicular spin-transfer torque effect on the magnetization switching was investigated in magnetic tunnel junctions (MTJs).
第四章，我们研究了磁性隧道结中垂直自旋转移矩效应诱导的磁化翻转特性。
In Chapter 4, perpendicular spin-transfer torque effect on the magnetization switching was investigated in magnetic tunnel junctions (MTJs).
第四章，我们研究了磁性隧道结中垂直自旋转移矩效应诱导的磁化翻转特性。
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