板片数量由流速流体的物理属性、压降和温度程序决定。
The plate numer is subject to the physical performance of the flow, pressur drop and temperature.
首先识别出黏贴压电作动器的柔性板振动控制系统的实验模型，接着提出了利用改变压电片对连接数量来模拟作动器驱动故障的方法。
Firstly, a state space experimental model of flexible plate vibration system with some malfunction connection piezoelectric actuator pairs were identified by the multivariable identification theory.
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