And also it brings torque ripple problem.
但同时也带来了转矩脉动问题。
The torque ripple could be significantly reduced by SVM-based DTC scheme.
基于SVM的DTC方案可以有效地减小转矩波动。
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。
The objective of this dissertation is to minimize the torque ripple of BLDC motor.
本文的主要研究目标就是采用新的控制策略来抑制永磁无刷直流电机转矩脉动。
The research have positive meaning for the torque ripple control technology utilized in BLDCM.
本文的研究工作对方波无刷直流电机转矩脉动抑制有积极意义。
They are also preferred in applications where no cogging and minimal torque ripple is important.
他们也应用于无波动或最小转矩脉动领域。
From the lowest to the highest speed, speed servo motor can smooth running, torque ripple is small.
从最低转速到最高转速，伺服电机都能平滑运转，转矩波动小。
From the lowest speed to the highest speed, servo motor can smooth running, torque ripple is small.
从最低转速到最高转速，伺服电机都能平滑运转，转矩波动小。
Thus an effective way to design the polar arc width reasonably in order to reduce torque ripple is provided.
从而为合理选择极弧宽度，达到减少电磁转矩波动的目的提供了一种有效途径。
SR machines have a significant torque ripple, especially when operated in single-pulse voltage control mode.
SR机器有重大扭矩波纹，特别是当经营在唯一脉冲电压控制方式。
This paper addresses the problem of torque ripple minimization in permanent magnet synchronous motors (PMSM).
主要讨论了正弦波直流无刷电动机转矩纹波最小化问题。
Five - and six-phase motors can offer better torque ripple reduction compared with four-phase and three-phase.
五和六阶段马达可能提供更好的扭矩波纹减少比较四阶段和三相。
For the being of the torque ripple and the position sensors, the application of brushless DC motors is limited.
永磁无刷直流电机位置传感器和转矩波动的存在限制了它的应用范围。
It is presented a method using fuzzy adaptive system to obtain torque ripple reduction in switched reluctance motor.
介绍用模糊自适应系统控制开关磁阻电机使转矩脉动减小的方法。
This paper introduces Commutation torque ripple process of the axial blood pump of an artificial heart brushless DC motor.
介绍了人工心脏轴流式血泵永磁无刷直流电机换相转矩脉动变化过程。
It has been shown to provide a simple solution to control the torque and the speed of the motor and to minimize torque ripple.
事实证明它能很容易的控制电机的转矩和转速，并能减小转矩脉动。
This machine may be of interest where the cost of winding connections is important, but again high torque ripple may be detrimental.
这个机器也许包缠连接的费用重要的是利益，但高的扭矩波纹也许再是损伤的。
The control signals of invertor are produced by space vector modulation to achieve a small torque ripple and constant switch frequency.
以空间矢量调制方法来获得逆变器的开关信号，实现了小的转矩脉动和恒定的开关频率。
In this paper, a current control algorithm using Fourier series coefficients is proposed. This algorithm can minimize torque ripple obviously.
文中提出应用傅立叶级数系数的电流控制算法，能明显减少转矩波动。
Position prediction algorithm is introduced to compensate the position error in the sampling time, or the extra torque ripple would be produced.
针对采样周斯内的位置误差会引起电机额外的转矩波动，本文引入了位置预测算法。
The torque of switched reluctance motor is a highly non linear function depends on phase current and rotor position, so the torque ripple occurs.
开关磁阻电动机的转矩是各相电流与转子位置的高度非线性函数，这使得电动机的转矩容易出现脉动。
For the large torque ripple of inductance motor based on direct torque control, especially at a low speed, this paper proposes a new control strategy.
针对基于直接转矩控制中的感应电动机在低速运转时存在较大的转矩脉动问题，提出了一种新的控制方法。
Firstly, discussion focuses on configuration of BLDCM, and its running principles as well as necessary existence of torque ripple when current commutes.
本文首先从BLDCM的结构出发，介绍了其工作原理，并从理论上给出了BLDCM在电流换相过程中转矩脉动存在的必然性。
Due to the large torque ripple of inductance motor based on direct torque control, especially at a low speed, this paper proposes a new control strategy.
针对基于直接转矩控制的感应电动机在低速运转时存在较大的转矩脉动问题，该文提出一种新的控制方法。
Due to the large torque ripple of inductance motor based on direct torque control, especially in a low speed, this paper proposes a new control strategy.
针对基于直接转矩控制的感应电动机在低速运转时存在较大的转矩脉动问题，提出一种新的控制方法。
But the torque ripple characteristics are different and the nonlinear modeling method is more accurate, it is helpful in the study of torque ripple problem.
但转矩脉动特性有所不同，非线性电感模型较分段线性电感模型准确。因此非线性电感模型适用于分析电机的转矩脉动特性。
The cause of producing the commutation torque ripple was mainly found by means of analyzing the commutation process of permanent magnet brushless DC motor in theory.
主要对永磁无刷直流电动机换相过程进行理论分析，得到引起换相转矩脉动的原因。
Analysis and experiment show that the topology can detect motor's torque current simply and effectively and has magnificent significance to reduce torque ripple of motor.
分析和实验证明，该拓扑能够简单、有效的检测出电机的力矩电流，对抑制电机转矩脉动具有重要意义。
For the BLDCM which has a sinusoidal back EMF, this paper presents a self-synchronous SVPWM control method using six discrete position signals for minimizing torque ripple.
本文对于反电动势波形接近正弦的永磁无刷直流电动机，提出一种基于六个离散位置信号的自同步svpwm控制方法，用于抑制电磁转矩脉动。
For the BLDCM which has a sinusoidal back EMF, this paper presents a self-synchronous SVPWM control method using six discrete position signals for minimizing torque ripple.
本文对于反电动势波形接近正弦的永磁无刷直流电动机，提出一种基于六个离散位置信号的自同步svpwm控制方法，用于抑制电磁转矩脉动。
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