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- International Journal
- Kyumin Na, Yunhan Kim, Heonjun Yoon*, and Byeng D. Youn*, "FASER: Fault-affected Signal Energy Ratio for Fault Diagnosis of Gearboxes Under Repetitive Operating Conditions ", Expert Systems with Applications, 2024-03
- Hyeongmin Kim, Jin Uk Ko, Kyumin Na, Hyeonchan Lee, Hee-soo Kim, Jong-duk Son, Heonjun Yoon*, and Byeng D. Youn*, "Opt-TCAE: Optimal Temporal Convolutional Auto-encoder for Boiler Tube Leakage Detection in a Thermal Power Plant Using Multi-sensor Data ", Expert Systems with Applications, 2023-04
- Kyumin Na, Heonjun Yoon*, Jaedong Kim, Sungjong Kim, and Byeng D.Youn* , "PERL: Probabilistic Energy-ratio-based Localization for Boiler Tube Leaks Using Descriptors of Acoustic Emission Signals ", Reliability Engineering & System Safety, 2023-02
- Yeongtak Oh, Yunhan Kim, Kyumin Na, and Byeng D. Youn*, "A Deep Transferable Motion-Adaptive Fault Detection Method for Industrial Robots Using a Residual-Convolutional Neural Network", ISA Transactions, 2022-09
- Jungho Park, Yunhan Kim, Kyumin Na, Byeng D. Youn*, Yuejian Chen, Ming J. Zuo*, and Yong-Chae Bae, "An Image-based Feature Extraction Method for Fault Diagnosis of Variable-speed Rotating Machinery ", Mechanical Systems and Signal Processing, 2022-03
- Yunhan Kim, Kyumin Na, and Byeng D. Youn*, "A Health-adaptive Time-Scale Representation (HTSR) Embedded Convolutional Neural Network for Gearbox Fault Diagnostics", Mechanical Systems and Signal Processing, 2022-03
- Jin Uk Ko, Kyumin Na, Joon-Seok Oh, Jaedong Kim, and Byeng D. Youn*, "A New Auto-encoder-based Dynamic Threshold to Reduce False Alarm Rates for Anomaly Detection of Steam Turbines ", Expert Systems with Applications, 2022-03
- Yunhan Kim, Jong M. Ha, Kyumin Na, Jungho Park, and Byeng D. Youn*, "Cepstrum-assisted Empirical Wavelet Transform (CEWT) based Improved Demodulation Analysis for Fault Diagnostics of Planetary Gearboxes ", Measurement, 2021-10
- Yunhan Kim, Jungho Park, Kyumin Na, Hao Yuan, Byeng D. Youn*, and Chang-soon Kang, "Phase-Based Time Domain Averaging (PTDA) for Fault Detection of a Gearbox in an Industrial Robot Using Vibration Signals ", Mechanical Systems and Signal Processing, 2020-04
- Jungho Park, Yunhan Kim, Kyumin Na, and Byeng D. Youn*, "Variance of Energy Residual (VER): An Efficient Method for Planetary Gear Fault Detection Under Variable-Speed Conditions ", Journal of Sound and Vibration, 2019-08
- Jungho Park, Moussa Hamadache, Jong M. Ha, Yunhan Kim, Kyumin Na, and Byeng D. Youn*, "A Positive Energy Residual (PER) based Planetary Gear Fault Detection Method under Variable Speed Conditions ", Mechanical Systems and Signal Processing, 2019-02
- Jong M. Ha, Jungho Park, Kyumin Na, Yunhan Kim, and Byeng D. Youn*, "Tooth-wise Fault Identification for a Planetary Gearbox Based on a Health Data Map ", IEEE Transactions on Industrial Electronics, 2018-07
- International Conference
- Hyeongmin Kim, Kyumin Na, Jin Uk Ko, Heonjun Yoon, and Byeng D. Youn, "Convolutional Auto-Encoder Based Boiler Tube Leakage Detection Method in a Thermal Power Plant ", ASME 2023 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, 2023-08-23
- Jin Uk Ko, Kyumin Na, and Byeng D. Youn, "Anomaly Detection of a Steam Turbine by a Novel Auto-Encoder-Based Dynamic Threshold", ASME 2022 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, 2022-08-16
- Kyumin Na, Jin Uk Ko, Hyeongmin Kim, and Byeng D. Youn, "A Probabilistic Threshold considering Probability Distribution of Reconstruction Error on a Latent Space for Anomaly Detection using Auto-Encoder ", Asia Pacific Conference of the Prognostics and Health Management Society 2021, 2021-09-09
- Yunhan Kim, Kyumin Na, and Byeng D. Youn, "A Novel Multiscale Convolutional Neural Network for Industrial Gearbox Fault Diagnostics ", Asia Pacific Conference of the Prognostics and Health Management Society 2021, 2021-09-08
- Hyeonchan Lee, Kyumin Na, Hyeongmin Kim, and Byeng Dong Youn, "A Physics-Informed Feature Engineering Approach to Boiler Tube Diagnosis ", Asia Pacific Conference of the Prognostics and Health Management Society 2021, 2021-09-08
- Yunhan Kim, Kyumin Na, and Byeng D. Youn, "Intelligent Fault Diagnostics Based on a New Convolutional Neural Network for Smart Manufacturing ", International Conference on Energy, Aquatech and Sustainability 2021, 2021-08-12
- Yeongtak Oh, Yunhan Kim, Kyumin Na, and Byeng D. Youn, "A Novel Fault Detection Method of Industrial Robots Using Motor Current Signals via Convolutional Neural Network (CNN) ", The 5th International Conference on Materials and Reliability, 2019-11-27
- Jungho Park, Yunhan Kim, Kyumin Na, and Byeng D. Youn, "Fault Detection of a Planetary Gear under Variable-speed Conditions Based on Time-frequency Image ", 2019 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (QR2MSE 2019), 2019-08-07
- Yunhan Kim, Jungho Park, Kyumin Na, Hao Yuan and Byeng D. Youn, "Vibration-Based Fault Detection of a Gearbox in an Industrial Robot Using Improved Time Domain Averaging ", International Symposium on Precision Engineering and Sustainable Manufacturing, 2019-07-11
- Kyumin Na, Jungho Park, Yunhan Kim and Byeng D. Youn, "Optimal Frequency Band Energy for Fault Diagnosis of Industrial Robot Using Current Signal ", International Conference on Energy and Sustainability 2018, 2018-10-19
- Yunhan Kim, Jungho Park, Kyumin Na, Byeng D. Youn, Chang-Soon Kang and Jae-Sang You, "Robust Fault Detection Method for Industrial Robots under Various Operating Conditions ", ASME 2018 International Design and Engineering Technical Conferences & Computers and Information in Engineering Conference, 2018-08-29
- Chan Hee Park, Sooho Kim, Junmin Lee, Dong-Ki Lee, Kyumin Na, Joowhan Song and Byeng D. Youn, "Hybriding Data-driven and Model-based Approaches for Fault Diagnosis of Rail Vehicle Suspensions ", Annual Conference of the Prognostics and Health Management Society 2017, 2017-10-04
- Domestic Conference
- 김건, 나규민, 이진욱, 유진오, 윤병동, "건설장비 기어박스 진단을 위한 회전 속도 추정 방법 개발 ", 한국자동차공학회 춘계학술대회, 2023-05-24
- 김건, 나규민, 이진욱, 유진오, 윤병동, "변속 조건 하에서의 기어박스 진단을 위한 회전 속도 추정 방법 개발 ", 한국PHM학회 2022년도 정기학술대회, 2022-06-30
- 나규민, 김건, 윤헌준, 윤병동, "고장 신호 강화 이미지를 통한 기어박스 다중 클래스 고장 진단 ", 대한기계학회 CAE 및 응용역학부문 2022년 춘계학술대회 , 2022-05-19
- 고진욱, 나규민, 김형민, 윤병동, "동적 기준치 설정을 통한 증기 터빈 이상 감지 ", 한국PHM학회 2021년도 정기학술대회, 2021-09-09
- 나규민, 김형민, 이현찬, 윤병동 , "음향신호 에너지 감소 메커니즘 기반 확률적 보일러 튜브 누설 위치 추정 ", 대한기계학회 2020년 학술대회, 2020-12-18
- 고진욱, 나규민, 김형민, 윤병동, "증기 터빈 이상 감지를 위한 동적 기준치 개발", 대한기계학회 2020년 학술대회, 2020-12-16
- 이현찬, 김형민, 나규민, 윤병동, "윈도우 특성 이미지 기반 합성곱 신경망을 활용한 보일러 상태 진단 ", 대한기계학회 2020년 학술대회, 2020-12-16
- 김윤한, 하종문, 나규민, 윤병동, "유성기어박스의 고장 진단을 위한 향상된 웨이블릿 변환 기반 신호 복조 방법 ", 한국정밀공학회 2020 통합학술대회, 2020-09-15
- 나규민, 김형민, 이현찬, 윤병동, "신호 에너지 감소 효과를 고려한 확률 모형 기반 보일러 누설 위치 추정 ", 대한기계학회 CAE 및 응용역학부문 2020년도 춘계학술대회, 2020-08-20
- 김형민, 오영탁, 나규민, 윤병동, "순환 합성곱 자동 엔코더 기반 실시간 보일러 누설 감지 기법 ", 한국PHM학회 2020년도 정기학술대회, 2020-07-23
- 오영탁, 나규민, 김윤한, 윤병동, "산업용 로봇 기어박스의 동작 적응형 퓨샷 고장 감지 기법 ", 한국PHM학회 2020년도 정기학술대회, 2020-07-23
- 나규민, 김윤한, 윤병동, "순간 주파수 기반 신호 분해를 활용한 기어박스 고장 진단 ", 한국PHM학회 2020년도 정기학술대회, 2020-07-22
- 김형민, 오영탁, 나규민, 윤병동, "상관성 윈도우 행렬 기반 합성곱 장단기 기억 신경망을 이용한 실시간 보일러 튜브 누설 진단 기술 ", 대한기계학회 2019년 학술대회, 2019-11-15
- 김윤한, 박정호, 나규민, 윤병동, "포락선 평균법을 활용한 향상된 복조 분석 기반 유성기어박스 고장 진단 방법 ", 대한기계학회 2019년 학술대회, 2019-11-13
- 나규민, 박정호, 김윤한, 윤병동, "굴삭기 기어박스 고장 진단을 위한 고장 정보 강화 전처리 이미지 기반 트랜스퍼 러닝 ", 대한기계학회 2019년 학술대회, 2019-11-13
- 김윤한, 박정호, 나규민, 유안 하오, 윤병동, "산업용 로봇 기어박스 고장 감지를 위한 위상정보 활용 시간영역 평균법 ", PHM KOREA 2019, 2019-04-12
- 나규민, 박정호, 김윤한, 윤병동, "산업용 로봇의 고장 진단을 위한 자율적 최적 주파수 에너지 선택 기법 ", PHM KOREA 2019, 2019-04-12
- 박정호, 김윤한, 나규민, 윤병동, 주오 밍, "이미지 데이터를 이용한 가변 속도 유성기어의 고장 감지 기법 개발", PHM KOREA 2019, 2019-04-11
- 오영탁, 나규민, 윤명백, 윤병동, "Convolutional Neural Network(CNN) based Boiler Tube Leakage Detection in a Power Plant ", PHM KOREA 2019, 2019-04-11
- 나규민, 김건, 하종문, 윤병동, "진동신호의 주파수 도메인 불확실성을 고려한 데이터 증폭 기반 굴삭기 스윙기어박스의 고장 진단 ", 대한기계학회 2018년도 학술대회, 2018-12-14
- 박찬희, 이준민, 김수호, 이동기, 나규민, 송주환, 윤병동, "다양한 운행환경에 적용가능한 철도차량 현가장치 고장 진단 ", 대한기계학회 2018년도 학술대회, 2018-12-13
- 김윤한, 박정호, 나규민, 윤병동, "위상 정보 활용 시간 영역 평균법을 이용한 산업용 로봇 고장 진단 ", 대한기계학회 2018년도 학술대회, 2018-12-12
- 박정호, 김윤한, 나규민, 윤병동, "시간-주파수 이미지 데이터를 활용한 가변 속도 유성기어의 고장 감지법 개발 ", 대한기계학회 2018년도 학술대회, 2018-12-12
- 김윤한, 박정호, 나규민, 윤병동, 강창순, 유재상, "산업용 로봇의 운행 환경에 따른 진동 신호 기반 건전성 인자 특성 분석 ", 2018년도 추계 소음진동 학술대회, 2018-10-18
- 나규민, 김건, "굴삭기 스윙 기어박스의 강건한 고장 감지를 위한 ARMED 필터의 오더 최적화 ", 대한기계학회 2017년도 학술대회, 2017-11-02
- Patent
- Byeng D. Youn, Kyumin Na, Jin Uk Ko, and Hyeongmin Kim, "Anormaly Data Detection Apparatus and Method Based on Auto Encoder ", Patent Registration, Republic of Korea, 10-2653349, 2024-03-27
- Byeng D. Youn, Yunhan Kim, and Kyumin Na, "Apparatus and Method for Detecting Fault of Planetary Gearbox Using Cepstrum-based Signal Analysis ", Patent Registration, Republic of Korea, 10-2598458, 2023-11-01
- Byeng D. Youn, Kyumin Na, and Yunhan Kim, " Motion Signal Extraction System and Method Based on Vibration Signal", Patent Registration, Republic of Korea, 10-2566810, 2023-08-09
- Byeng D. Youn, Jae Dong KIm, Jong Duk Son, Hee Soo Kim, Joon Seok Oh, Hyeongmin Kim, and Kyumin Na , "System and Method for Detecting Tube Leakage Using State Signal of Power Generation Plant ", Patent Registration, Republic of Korea, 10-2560572, 2023-07-24
- Byeng D. Youn, Jae Dong Kim, Jong Duk Son, Hee Soo Kim, Joon Seok Oh, Hyeongmin Kim, Kyumin Na, "System and Method for Detecting Tube Leakage Using State Signal of Power Generation Plant ", Patent Registration, Republic of Korea, 10-2560573, 2023-07-24
- Byeng D. Youn, Jae Dong Kim, Jong Duk Son, Hee Soo Kim, Joon Seok Oh, Hyeongmin Kim, Kyumin Na, "System and Method for Detecting Tube Leakage Using State Signal of Power Generation Plant ", Patent Registration, Republic of Korea, 10-2557198, 2023-07-14
- Byeng D. Youn, Jae Dong Kim, Jong Duk Son, Hee Soo Kim, Joon Seok Oh, Hyeongmin Kim, Kyumin Na, "System and Method for Detecting Tube Leakage Using State Signal of Power Generation Plant ", Patent Registration, Republic of Korea, 10-2557199, 2023-07-14
- Byeng D. Youn , Jae Dong Kim, Jong Duk Son, Hee Soo Kim, Joon Seok Oh, Hyeongmin Kim, Kyumin Na, "System and Method for Detecting Tube Leakage Using State Signal of Power Generation Plant ", Patent Registration, Republic of Korea, 10-2554301, 2023-07-06
- Byeng D. Youn, Keon Kim, Jong M. Ha, and Kyumin Na, "Method and System for Detecting Fault of Swing Device ", Patent Registration, Republic of Korea, 10-2485686, 2023-01-03
- Byeng D. Youn, Yunhan Kim, Kyumin Na, and Jungho Park, "Apparatus and Method for Detecting Fault of Gearbox Using Phase Information ", Patent Registration, Republic of Korea, 10-2382628, 2022-03-30
- Woosung Choi, Sungmin Kim, Heesoo Kim, Seokman Sohn, Jong-Duk Son, Joon-Seok Oh, Byeng D. Youn, Kyumin Na, and Yeongtak Oh, "Boiler Piping Monitoring System and Method ", Patent Registration, Republic of Korea, 10-2226050, 2021-03-04
- Byeng D. Youn, Jungho Park, Yunhan Kim, and Kyumin Na, "Apparatus and Method for Detecting Fault Using Time-Frequency Image ", Patent Registration, Republic of Korea, 10-2161577, 2020-09-24
- Byeng D. Youn, Jungho Park, Yunhan Kim, and Kyumin Na, "Fault Detection Apparatus and Method for Gears under Variable-Speed Condition Using Short-Time Fourier Transform", Patent Registration, Republic of Korea, 10-2077298, 2020-02-07
- Byeng D. Youn, Jungho Park, Jong M. Ha ,Yunhan Kim, and Kyumin Na , "Vibration Characteristics Data Map Processing Apparatus for Diagnosing a Fault of Planetary Gear Box ", Patent Registration, Republic of Korea, 10-2026065, 2019-09-23
- Byeng D. Youn, Keon Kim, Kyumin Na, Jinwook Lee, and Jinoh Yoo, "Apparatus and Method for Diagnosing Gear Box Based on Vibration Signal ", Patent Application, Republic of Korea, 10-2023-0138192, 2023-10-17
- Byeng D. Youn, Keon Kim, Kyumin Na, Jinwook Lee, and Jinoh Yoo, "Apparatus and Method for Estimating Rotational Speed of Gear Box Based on Vibration Signal ", Patent Application, Republic of Korea, 10-2023-0138195, 2023-10-17
- Byeng D. Youn, Kyumin Na, Jin Uk Ko, and Hyeongmin Kim, "Anormaly Data Detection Apparatus and Method on Auto Encoder ", Patent Application, Republic of Korea, 10-2021-0067561, 2021-05-26
- Awards
- 김윤한, 나규민, 윤병동, "Asia Pacific Conference of the Prognostics and Health Management Society 2021 - Best Student Award (Bronze Medal)", 2021-09-10
- 오영탁, 김윤한, 나규민, 윤병동, "International Conference on Materials and Reliability 2019 - Best Paper Award", 2019-12-10
- 오영탁, 나규민, 윤명백, 윤병동, "한국PHM학회 2019년도 정기학술대회 - 우수포스터상", 2019-04-12
- 나규민, 박정호, 김윤한, 윤병동, "한국PHM학회 2019년도 정기학술대회 - 우수발표상", 2019-04-12
- 박찬희, 김수호, 이준민, 이동기, 나규민, 송주환, 윤병동, "2017 PHM Society Data Challenge Competition - Winner", 2017-10-04