Based on the analysis of the regenerative modulation caused by the unbalance of grinding wheel in the grinding process, a new mixed grinding chatter, named regenerative modulating chatter is advanced.

在磨削过程中，由于砂轮不平衡引起再生调制，在此基础上，提出了一种新的混合型颤振再生调制型颤振。

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Modulation actually refers to the process of a rider accurately controlling the amount of brake power required without locking the wheel.

调制实际上是指骑手精确地控制所需的制动力而避免将车轮抱死的过程。

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The braking mode control of reviving power-consumption of large momentum fly-wheel motor is discussed on the basis of pulse-modulated amplitude-modulation in this paper.

讨论具有大惯量飞轮负载的直流无刷、定于无铁芯电机，在脉宽调制调幅有源控制的基础上，完成再生能耗制动控制以及低速下转换到有源制动控制的主要技术问题。

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