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。
In order to have a reliable operation, must reduce the speed fluctuation, namely must effectively restrain the load torque ripple and motor electromagnetic torque ripple of speed fluctuation bring.
为了可靠运行，必须降低转速的波动，即必须有效抑制负载转矩脉动和电机电磁转矩脉动带来的转速波动。
Due to the large torque coefficient, small torque ripple and ease of control, permanent magnet synchronous motor (PMSM) system has been widely used in many accurate servo control systems.
永磁同步电动机系统具有力矩系数大、力矩波动小以及控制灵活等优点，在许多精密伺服控制系统中得到广泛应用。
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。
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。
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。
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 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。
And also it brings torque ripple problem.
但同时也带来了转矩脉动问题。
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。
Four PWM modes used in the brushless DC motor control system are introduced and their different influences on the commutation torque ripple of BLDC motors are analyzed in detail.
介绍了无刷直流电机控制系统中的四种PWM调制方式，详细分析了四种不同的调制方式对无刷直流电机换相转矩脉动的影响。
Torque ripple suppression was the research focus of permanent magnet brushless motor, domestic and foreign experts and scholars had proposed lots of solutions for the problem.
抑制转矩脉动是永磁无刷电机研究重点，国内外专家学者提出了诸多解决方法。
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。
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。
According to the mathematical model and torque characteristics of permanent magnet brushless DC motor, the reasons that give rise to torque ripple have been analyzed in this paper.
依据永磁无刷直流电动机的数学模型及其转矩特性，分析了转矩脉动产生的多种原因，并介绍了各种有效的控制策。
The voltage and flux errors at the sampling instant can then be compensated for in the next control period, so the errors are always kept small, which leads to small fluxes and torque ripple.
由于采样时刻的电压和磁链误差，可在下一个控制周期内得到补偿，因此转矩和磁链的误差始终很小，二者的脉动很小。
The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.
分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。
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。
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。
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。
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。
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。
To overcome the disadvantage of higher torque ripple in switched reluctance motor (SRM) based on average torque control technique, one method of instantaneous torque control is presented.
针对平均转矩控制的开关磁阻电动机(SRM)转矩脉动大的问题，提出了一种瞬时转矩控制的方案。
To overcome the disadvantage of solving torque ripple of switched reluctance motor based on average torque control method, in this paper a new one called transient torque control is presented.
针对以平均转矩控制开关磁阻电机转矩脉动存在的不足，提出了基于瞬时转矩控制的转矩脉动最小化方案。
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。
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。
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。
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。
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。
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