宽带随机振动控制器的设计与分析
Design and Analysis of a Wideband Random Vibration Controller
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摘要: 提出了一种随机振动控制器的实现方法,它可以实时地产生高精度随机振动激励信号.采用这种方法得到的宽带随机信号信噪比可达到70dB,可用于精密随机振动台的驱动控制信号.准确地实现了被试验产品的模拟试验.计算机仿真和试验结果证实了该方法的可行性.Abstract: An implementation method is presented for a random vibration controller,which can produce real-time vibration exciting signals with high accuracy.With this method,the signal-to-noise ratio of wideband random signal can reach 70dB,and it can be used in the driving control signals of random shaking table with high precision.Simulation is carried out successfully on the tested products.The computer simulation and test results demonstrate the validity of the proposed method.