Development of strucural sensing system using accurate artificial vibrator

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The prototype model of the accurate artificial vibrator and wireless sensor network with MEMS accelerometer have been developed in this research. Since the measurement of acceleration in the wireless sesor network is time-synchronized to the control of artificial vibrator, the frequency response function can be accurately observed. The laboratory experiments are conducted to investigate the performance of this system. And the results show that the system is able to estimate the frequency transfer function accurately and to estimate the eigen-frequency and disipation parameters.