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AE 원신호 파형분석에 의한 에어컨 컴프레서의 상태 진단
이감규(Gam Gyu Lee),강익수(Ik soo Kang),강명창(Myung Chang Kang),김정석(Jeong Suk Kim) Korean Society for Precision Engineering 2004 한국정밀공학회지 Vol.21 No.11
For the diagnosis of compressor abnormal condition in air-conditioner, AE signal which is derived from wear condition, compressed air and assembly error is analyzed experimentally. The burst and continuous type AE signal occurred by metal contact and compressed air and AE raw signal of compressors were directly acquired in production line. After extracting samples according to waveforms, Early Life Test(ELT) is conducted and classified to normal and abnormal waveform. The efficient parameters of waveform pattern are investigated in time and frequency domain and the diagnosis algorithm of air-conditioner by Neural Network estimation is suggested.