基于提前换相法的无刷电机转矩波动控制-现代电子技术 关键词:无刷直流电机; 转矩波动; 电流换相; 导通角 [gap=1307]Keywords: brushless DC motor; torque ripple; current commutation; conduction angle
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... torque dynamometer 扭力测功器 torque fluctuation 转矩波动 torque hinge hatchcover 轴铰接舱口盖 ...
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转矩波动系数 torque ripple coefficient ; ripple torque coefficient
In this paper,analyzed the electromagnetism torque ripple of brushless DC motor based on the mathematical models. And presented the current hysteresis band control method to lessen electromagnetism torque ripple.
通过无刷直流电动机数学模型,分析了无刷直流电动机产生电磁转矩波动的原因,在此基础上,提出采用电流滞环跟踪PWM控制方式来减小电磁转矩的波动。
参考来源 - 无刷直流电动机电流滞环跟踪控制方法的研究At last the writer presents a new kind of control method in the paper. It tries to solve the problem of torque fluctuation only by change of control method, not by change of motor substratum.
最后，本文还提出了一种新型的电机控制方式，这种新型控制方式旨在不改变电机本体的设计而只是通过控制方式的改变来解决通常的控制方式带来的转矩波动过大的问题。
参考来源 - 电动汽车用稀土永磁无刷直流电机的控制方式研究·2,447,543篇论文数据，部分数据来源于NoteExpress
基于SVM的DTC方案可以有效地减小转矩波动。
The torque ripple could be significantly reduced by SVM-based DTC scheme.
研究表明，该传动机构转矩波动很小，具有优异的传动性能。
The study shows that the magnetic gear has a very small torque fluctuation and an excellent transmission performance.
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 to the highest speed, speed servo motor can smooth running, torque ripple is small.
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