在稳态试验的基础上，对转子过前两阶临界转速的振动抑制进行了研究，并实施开环瞬态振动控制。
On the basis of steady state tests, the vibration suppression of the rotor through the first two critical speeds has been done.
在识别中采用了实模态识别法，识别出前13个模态参数，并与稳态激振、环境振动及有限元计算进行了比较，结果是比较符合的。
Real modal parameter identification has been used and 13 modes are identified. The obtained modes are compared with the results from steady exciting, ambient vibration and FEM calculation.
该系统是一种带前馈环节的复合闭环系统，它解决了稳定性与稳态精度的矛盾，提高了控制精度。
The system is a combined close loop system with forword feed control device. It can resolve the contradiction between stability and steady accuracy, and rise the control accuracy.
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