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Design and realisation of a wireless data acquisition system for vibration measurements

机译：振动测量无线数据采集系统的设计与实现

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摘要

Nowadays, sensing, processing, and analysing of vibration signals are key components to structural health monitoring systems. Wireless-based data acquisition (DAQ) systems for vibration measurements become more and more important in the sensing and processing field. This paper presents a hardware and software design of wireless data acquisition system for this purpose. The proposed wireless DAQ system is based on the TMS320 digital signal processor which enables us to process real-time vibration signals. Sensitivity is one of the key performance features in the DAQ system, and we use an integrated circuit piezoelectric (ICP) accelerometer as a detection sensor for best performance. For faster wireless transmission of large amount of acceleration signals, a new data link protocol of Bluetooth interface between wireless DAQ and smartphone is proposed. An Android smartphone is a good choice of user interface in the mobile data acquisition system. In order to display vibration signals in real time at the Android smartphone, a commercial Java graphic library tool is used.
机译：如今，感测，处理和分析振动信号是结构健康监测系统的关键部件。基于无线的数据采集（DAQ）用于振动测量的系统在传感和处理领域变得越来越重要。本文介绍了为此目的无线数据采集系统的硬件和软件设计。所提出的无线DAQ系统基于TMS320数字信号处理器，使我们能够处理实时振动信号。灵敏度是DAQ系统中的关键性能特征之一，我们使用集成电路压电（ICP）加速度计作为检测传感器，以获得最佳性能。为了更快的无线传输大量加速度信号，提出了一种无线DAQ与智能手机之间的蓝牙接口的新数据链路协议。 Android智能手机是移动数据采集系统中的用户界面的良好选择。为了在Android智能手机实时显示振动信号，使用商业Java图形库工具。

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