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A Study on the Data Compression Technology-Based Intelligent Data Acquisition (IDAQ) System for Structural Health Monitoring of Civil Structures

机译：基于数据压缩技术的民用建筑结构健康监测智能数据采集（IDAQ）系统研究

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In this paper, a data compression technology-based intelligent data acquisition (IDAQ) system was developed for structural health monitoring of civil structures, and its validity was tested using random signals (El-Centro seismic waveform). The IDAQ system was structured to include a high-performance CPU with large dynamic memory for multi-input and output in a radio frequency (RF) manner. In addition, the embedded software technology (EST) has been applied to it to implement diverse logics needed in the process of acquiring, processing and transmitting data. In order to utilize IDAQ system for the structural health monitoring of civil structures, this study developed an artificial filter bank by which structural dynamic responses (acceleration) were efficiently acquired, and also optimized it on the random El-Centro seismic waveform. All techniques developed in this study have been embedded to our system. The data compression technology-based IDAQ system was proven valid in acquiring valid signals in a compressed size.
机译：本文开发了一种基于数据压缩技术的智能数据采集（IDAQ）系统，用于民用结构的结构健康监测，并使用随机信号（El-Centro地震波形）测试了其有效性。 IDAQ系统的结构包括一个带有大型动态内存的高性能CPU，用于以射频（RF）方式进行多路输入和输出。此外，嵌入式软件技术（EST）已应用于该技术，以实现在获取，处理和传输数据的过程中所需的各种逻辑。为了将IDAQ系统用于民用结构的结构健康监测，本研究开发了一种人工滤波器组，通过该滤波器组可以有效地获取结构动力响应（加速度），并在随机El-Centro地震波形上进行优化。本研究中开发的所有技术均已嵌入到我们的系统中。实践证明，基于数据压缩技术的IDAQ系统可以有效地获取压缩大小的有效信号。

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