基于蝙蝠仿生耳的远距离非接触式设备故障检测与诊断技术问题研究

项目名称： 基于蝙蝠仿生耳的远距离非接触式设备故障检测与诊断技术问题研究

项目编号： No.61271453

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 无线电电子学、电信技术

项目作者： 马昕

作者单位： 山东大学

项目金额： 60万元

中文摘要： 基于音频信号的故障诊断是一种非接触式的故障诊断方法，该方法能够实现安全的在线检测，然而该方法需要在固定位置布置声音传感器，并采用有线方式传送数据，这就给该方法的利用带来了限制，因为类似电力、矿山等场所对安全性要求较高，不便于进行固定式的安装。如能在远处利用高指向性声音传感器获取信号并进行处理将对这种音频信号故障诊断的应用带来极大便利。随着信息技术的快速发展，高灵敏、强抗干扰性、低功耗的天线成为当前通信领域的研究热点，为此，人们提出了仿生天线的概念，蝙蝠声纳系统是当前被人们关注的重要范例。一些成果已经在走向实用阶段。本项目借助于蝙蝠声纳系统中的研究成果，试图应用在非接触的设备音频信号的接收装置上，并改进当前音频模式识别的算法，探索利用远距离可移动式音频接收设备对设备故障进行在线监视和模式识别的分析理论与方法。

中文关键词： 指向声接收器；音频信号；故障诊断；2DPCA；流形学习

英文摘要： Long-distance non-contact device failure detection and diagnosis based on the bat Bionic Ear.Fault diagnosis based on the audio signal is a non-contact fault diagnosis method that can achieve a secure online detection. However,the acoustic sensors laid in a fixed position, and cables of data transmission are also needed to be laid, which will bring the limitation of utility. Because of higher security requirements in the site of power, mining and other similar places,it is not facilitate to installate detection devises there. if the highly directional acoustic sensors installed in the distance can also receive the sound signal, great convenience will be shown and will promote the application of the devices.With the rapid development of information technology, high sensitivity, strong anti-jamming, low-power antenna has become the focus of research in communications. for which people put forward the concept of biomimetic antenna.in the case bat sonar system is an important example current attentioned . Some relevant research results have been utilized and has shown good effect. This research try to apply this technic in non-contact devices of the sound signal receiving device, and improve the audio pattern recognition algorithm to explore the analysis theory and method for monitoring the running of Large-scale

英文关键词： directional sonar；sound signal；fault diagnose；2DPCA；manifold study