Discriminating methods were analyzed of dynamics stabilization of speed of rotor - journal bearing system with combining engineering practices and adopting theory of system dynamics.

结合工程实例，采用系统动力学的设计思想，详细分析滑动轴承转子系统动态失稳转速的判别方法。

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The control algorithm of attitude follow-up stabilization and tracking antenna platform adopts position feed-forward control, speed control and position feedback control.

姿态随动稳定跟踪天线平台的控制算法，采用位置前馈、速度和位置反馈控制。

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Requirements for the device of testing rotational speed include: high-accuracy, stabilization, credibility, and shorter testing time.

对测速装置的要求是精度高、稳定可靠和检测时间短。

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