Its frequency response is calculated by use of FEM and its vibration velocity sensitivity with respect to its local thickness as a design variable is computed.

基于有限元直接法计算振动板的频率响应，以板局部厚度为设计变量，计算了振动速度对局部板厚度的灵敏度；

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Then this paper chooses the suitable variable to design the voltage and current double closed-loop controller, which has well stability and fast transient response.

对电源系统进行分析，选择合适变量设计一个稳定性好、动态响应快的电压电流双闭环控制。

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But the emphases of the design for an inverter-driven induction motor are the efficiency, power factor, elevated temperature in the variable speed range, and dynamic response.

而变频调速电机的设计重点是在调速范围内的效率、功率因数、温升，以及动态响应性能等。

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