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2. 发明公开

KR1020130050467A 운송기계의 소음 영상화 시스템 및 소음 영상화 방법과, 운송기계의 결함위치 판별시스템 및 결함위치 판별방법 有权
标题翻译：运输机噪声成像系统及方法，运输机械位置辨识系统及方法
公开(公告)号：KR1020130050467A
公开(公告)日：2013-05-16
申请号：KR1020110115534
申请日：2011-11-08
申请人： 한국과학기술원 , 한국철도기술연구원
发明人： 김양한 , 전종훈 , 유원희 , 고효인
IPC分类号： G03H3/00
摘要： PURPOSE: A noise imaging system of transportation machines, a noise imaging method of transportation machines, a defective position determining system of transportation machines, and a defective position determining method thereof are provided to apply the system and the method to an actual industrial site by determining defective positions of the transportation machines by removing an influence of a measurement noise. CONSTITUTION: A microphone array(100) is separated from a bottom surface of a transportation machine. The microphone array measures the sound pressure of an impact noise discharged from the transportation machine. A signal processing unit(400) obtains a noise map without a noise. Photoelectric sensors(200a,200b) are installed in a random position of a path for the transportation machine. The photoelectric sensors measure a relative position of the microphone array by measuring a moving speed and a position. A sound-absorbing material is installed on a surface on which the microphone array is installed.
摘要翻译：目的：提供运输机械的噪声成像系统，运输机械的噪声成像方法，运输机器的故障位置确定系统及其故障位置确定方法，以将系统和方法应用于实际的工业场所，通过确定通过消除测量噪声的影响，运输机器的缺陷位置。构成：麦克风阵列（100）与运输机器的底面分离。麦克风阵列测量从运输机器排出的冲击噪声的声压。信号处理单元（400）获得没有噪声的噪声图。光电传感器（200a，200b）安装在运输机器路径的随机位置。光电传感器通过测量移动速度和位置来测量麦克风阵列的相对位置。吸音材料安装在安装有麦克风阵列的表面上。

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