速率误差

设计的模糊控制器以电机的转速偏差及转速偏差率为输入，输出量用于控制斩波调速时的导通角。

speed switch

sense of speed

initial speed

machine speed

automatic high speed refrigerated centrifuge

variable-speed governor【动力】

vertical multi-speed motor

restoring mechanism, resilient speed regulator (speed governor)