Publications

International Journal

• FASER: Fault-affected Signal Energy Ratio for Fault Diagnosis of Gearboxes Under Repetitive Operating Conditions

  Kyumin Na, Yunhan Kim, Heonjun Yoon*, and Byeng D. Youn* Expert Systems with Applications , 2024-03 , SCIE (IF: 7.5, Rank: 5.2%) , Vol. 238, Part C, pp. 122078, 2024

  LINK

• A Deep Transferable Motion-Adaptive Fault Detection Method for Industrial Robots Using a Residual-Convolutional Neural Network

  Yeongtak Oh, Yunhan Kim, Kyumin Na, and Byeng D. Youn* ISA Transactions , 2022-09 , SCIE (IF: 6.3, Rank: 4.2%) , Vol. 128, pp. 521-534, 2022

  LINK

• Machining Quality Monitoring (MQM) in Laser-Assisted Micro-Milling of Glass Using Cutting Force Signals: An Image-Based Deep Transfer Learning

  Yunhan Kim¹, Taekyum Kim¹, Byeng D. Youn*, and Sung-Hoon Ahn* Journal of Intelligent Manufacturing , 2022-08 , SCIE (IF: 5.9, Rank: 19.5%) , Vol. 33, No. 6, pp. 1813–1828, 2022

  LINK

• A Health-adaptive Time-Scale Representation (HTSR) Embedded Convolutional Neural Network for Gearbox Fault Diagnostics

  Yunhan Kim, Kyumin Na, and Byeng D. Youn* Mechanical Systems and Signal Processing , 2022-03 , SCIE (IF: 7.9, Rank: 2.5%) , Vol. 167, pp. 108575, 2022

  LINK

• An Image-based Feature Extraction Method for Fault Diagnosis of Variable-speed Rotating Machinery

  Jungho Park, Yunhan Kim, Kyumin Na, Byeng D. Youn*, Yuejian Chen, Ming J. Zuo*, and Yong-Chae Bae Mechanical Systems and Signal Processing , 2022-03 , SCIE (IF: 7.9, Rank: 2.5%) , Vol. 167, pp. 108524, 2022

  LINK

• Cepstrum-assisted Empirical Wavelet Transform (CEWT) based Improved Demodulation Analysis for Fault Diagnostics of Planetary Gearboxes

  Yunhan Kim, Jong M. Ha, Kyumin Na, Jungho Park, and Byeng D. Youn* Measurement , 2021-10 , SCIE (IF: 5.2, Rank: 9.2%) , Vol. 183, pp. 109796, 2021

  LINK

• Fatigue Crack Length Estimation and Prediction using Trans-Fitting with Support Vector Regression

  Myeongbaek Youn, Yunhan Kim, Dongki Lee, Minki Cho, and Byeng D. Youn* International Journal of Prognostics and Health Management , 2020-12 , SCIE (IF: 0.0, Rank: 0.0%) , Vol. 11, No. 1, pp. 1-14, 2020

  LINK

• A Resilience Measure Formulation that Considers Sensor Faults

  Minji Yoo¹, Taejin Kim¹, Joung Taek Yoon, Yunhan Kim, Sooho Kim, and Byeng D. Youn* Reliability Engineering & System Safety , 2020-07 , SCIE (IF: 9.4, Rank: 3.3%) , Vol. 199, pp. 106393, 2020

  LINK

• Phase-Based Time Domain Averaging (PTDA) for Fault Detection of a Gearbox in an Industrial Robot Using Vibration Signals

  Yunhan Kim, Jungho Park, Kyumin Na, Hao Yuan, Byeng D. Youn*, and Chang-soon Kang Mechanical Systems and Signal Processing , 2020-04 , SCIE (IF: 7.9, Rank: 2.5%) , Vol. 138, pp. 106544, 2020

  LINK

• Variance of Energy Residual (VER): An Efficient Method for Planetary Gear Fault Detection Under Variable-Speed Conditions

  Jungho Park, Yunhan Kim, Kyumin Na, and Byeng D. Youn* Journal of Sound and Vibration , 2019-08 , SCIE (IF: 4.3, Rank: 6.2%) , Vol. 453, pp. 253-267, 2019

  LINK

• Life-Cycle Maintenance Cost Analysis Framework Considering Time-Dependent False and Missed Alarms for Fault Diagnosis

  Joung Taek Yoon, Byeng D. Youn*, Minji Yoo, Yunhan Kim, and Sooho Kim Reliability Engineering & System Safety , 2019-04 , SCIE (IF: 9.4, Rank: 3.3%) , Vol. 184, pp. 181-192, 2019

  LINK

• A Positive Energy Residual (PER) based Planetary Gear Fault Detection Method under Variable Speed Conditions

  Jungho Park, Moussa Hamadache, Jong M. Ha, Yunhan Kim, Kyumin Na, and Byeng D. Youn* Mechanical Systems and Signal Processing , 2019-02 , SCIE (IF: 7.9, Rank: 2.5%) , Vol. 117, pp. 347-360, 2019

  LINK

• Tooth-wise Fault Identification for a Planetary Gearbox Based on a Health Data Map

  Jong M. Ha, Jungho Park, Kyumin Na, Yunhan Kim, and Byeng D. Youn* IEEE Transactions on Industrial Electronics , 2018-07 , SCIE (IF: 7.5, Rank: 0.2%) , Vol. 65, No. 7, pp. 5903 - 5912, 2018

  LINK

• A Newly Formulated Resilience Measure that Considers False Alarms

  Joung Taek Yoon, Byeng D. Youn*, Minji Yoo, and Yunhan Kim Reliability Engineering & System Safety , 2017-11 , SCIE (IF: 9.4, Rank: 3.3%) , Vol. 167, pp. 417-427, 2017

  LINK

Registration Patent

• Domestic  "Apparatus and Method for Detecting Fault of Planetary Gearbox Using Cepstrum-based Signal Analysis"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2598458

  2023-11-01

• Domestic  "Motion Signal Extraction System and Method Based on Vibration Signal"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2566810

  2023-08-09

• Domestic  "Industrial Gearbox Failure Diagnosis Apparatus and Method Using Convolutional Neural Network Based on Adaptive Time-frequency Representation"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2404498

  2022-05-27

• Domestic  "Apparatus and Method for Detecting Fault of Gearbox Using Phase Information"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2382628

  2022-03-30

• Domestic  "Machining Quality Monitoring Method Based on Transfer Learning with Multi-layer Recurrence Plot"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2362971

  2022-02-10

• Domestic  "Machining Quality Monitoring Apparatus and Method Based on Transfer Learning with Multi-layer Recurrence Plot"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2324979

  2021-11-05

• Domestic  "Apparatus and Method for Detecting Fault Using Time-Frequency Image"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2161577

  2020-09-24

• Domestic  "Fault Detection Apparatus and Method for Gears under Variable-Speed Condition Using Short-Time Fourier Transform"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2077298

  2020-02-07

• Domestic  "Vibration Characteristics Data Map Processing Apparatus for Diagnosing a Fault of Planetary Gear Box"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2026065

  2019-09-23

International Conference

• "A Statistical Approach for Estimating Component Lifetime Based on Accelerated Life Testing Data"

  In Chan Lee, Su J. Kim, Yunhan Kim, Joo Hyeon Im, Minseok Chae, and Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2021 2021-09-10

• "A Novel Multiscale Convolutional Neural Network for Industrial Gearbox Fault Diagnostics"

  Yunhan Kim, Kyumin Na, and Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2021 2021-09-08

• "Intelligent Fault Diagnostics Based on a New Convolutional Neural Network for Smart Manufacturing"

  Yunhan Kim, Kyumin Na, and Byeng D. Youn Conference : International Conference on Energy, Aquatech and Sustainability 2021 2021-08-12

• "A Novel Fault Detection Method of Industrial Robots Using Motor Current Signals via Convolutional Neural Network (CNN)"

  Yeongtak Oh, Yunhan Kim, Kyumin Na, and Byeng D. Youn Conference : The 5th International Conference on Materials and Reliability 2019-11-27

• "A Fatigue Crack Length Estimation and Prediction using Trans-fitting with Support Vector Regression"

  Myeongbaek Youn, Yunhan Kim, Dongki Lee, and Minki Cho Conference : Annual Conference of the Prognostics and Health Management Society 2019 2019-09-25

• "Fault Detection of a Planetary Gear under Variable-speed Conditions Based on Time-frequency Image"

  Jungho Park, Yunhan Kim, Kyumin Na, and Byeng D. Youn Conference : 2019 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (QR2MSE 2019) 2019-08-07

• "Elimination of Multi-axis Interference in Fault Detection of Industrial Robot based on Blind Source Separation"

  Hao Yuan, Jungho Park, Yunhan Kim, and Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management 2019 2019-07-24

• "Vibration-Based Fault Detection of a Gearbox in an Industrial Robot Using Improved Time Domain Averaging"

  Yunhan Kim, Jungho Park, Kyumin Na, Hao Yuan and Byeng D. Youn Conference : International Symposium on Precision Engineering and Sustainable Manufacturing 2019-07-11

• "A New Resilience-Driven System Design Considering False Alarms"

  Joung Taek Yoon, Minji Yoo, Byeng D. Youn, Yunhan Kim Conference : 12th World Congress of Structural and Multidisciplinary Optimization 2017-06-06

• "A Time-varying Energy Residual (TVER) Method for Fault Detection of a Planetary Gear under Variable Speed Conditions"

  Jungho Park, Moussa Hamadache, Jong M. Ha, Yunhan Kim, Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2017 2017-07-12

• "Fault Detection of Gearboxes in an Industrial Robot under Various Operating Conditions"

  Jungho Park, Yunhan Kim, Jong M. Ha, Byeng D. Youn, Jin-Gyun Park Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2017 2017-07-14

• "Does PHM Make an Engineered System Resilient under Sensor Faults?"

  Minji Yoo, Joung Taek Yoon, Yunhan Kim, Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2017 2017-07-14

• "A Probabilistic Approach to Maintenance Cost Analysis Considering Time-dependent False Alarms for PHM Design"

  Joung Taek Yoon, Minji Yoo, Yunhan Kim and Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2017 2017-07-14

• "Robust Fault Detection Method for Industrial Robots under Various Operating Conditions"

  Yunhan Kim, Jungho Park, Kyumin Na, Byeng D. Youn, Chang-Soon Kang and Jae-Sang You Conference : ASME 2018 International Design and Engineering Technical Conferences & Computers and Information in Engineering Conference 2018-08-29

• "Optimal Frequency Band Energy for Fault Diagnosis of Industrial Robot Using Current Signal"

  Kyumin Na, Jungho Park, Yunhan Kim and Byeng D. Youn Conference : International Conference on Energy and Sustainability 2018 2018-10-19

Domestic Conference

• "Vibration Signal Separation for Fault Detection of Industrial Robot Gearboxes under Multi-axis Interference"

  유안 하오, 박정호, 김윤한, 윤병동 Conference : PHM KOREA 2019 2019-04-11

• "산업용 로봇의 고장 진단을 위한 자율적 최적 주파수 에너지 선택 기법"

  나규민, 박정호, 김윤한, 윤병동 Conference : PHM KOREA 2019 2019-04-12

• "산업용 로봇 기어박스 고장 감지를 위한 위상정보 활용 시간영역 평균법"

  김윤한, 박정호, 나규민, 유안 하오, 윤병동 Conference : PHM KOREA 2019 2019-04-12

• "포락선 평균법을 활용한 향상된 복조 분석 기반 유성기어박스 고장 진단 방법"

  김윤한, 박정호, 나규민, 윤병동 Conference : 대한기계학회 2019년 학술대회 2019-11-13

• "굴삭기 기어박스 고장 진단을 위한 고장 정보 강화 전처리 이미지 기반 트랜스퍼 러닝"

  나규민, 박정호, 김윤한, 윤병동 Conference : 대한기계학회 2019년 학술대회 2019-11-13

• "유성기어박스의 고장 진단을 위한 향상된 웨이블릿 변환 기반 신호 복조 방법"

  김윤한, 하종문, 나규민, 윤병동 Conference : 한국정밀공학회 2020 통합학술대회 2020-09-15

• "유리의 레이저 보조 미세 가공에서의 가공 품질 분류를 위한 이미지 기반 전이학습 방법"

  김윤한, 김태겸, 윤병동, 안성훈 Conference : 대한기계학회 CAE 및 응용역학부문 2020년도 춘계학술대회 2020-08-20

• "유성기어박스의 건전성 진단을 위한 하중 조건 정규화"

  김수호, 이규석, 김윤한, 윤병동 Conference : 대한기계학회 CAE 및 응용역학부문 2018년도 춘계학술대회 2018-04-26

• "인공지능 기반 위성기어박스 고장 진단 알고리즘 개발에 진동 센서"

  김수호, 김윤한, 윤병동 Conference : 2018년도 추계 소음진동 학술대회 2018-10-18

• "위상 정보 활용 시간 영역 평균법을 이용한 산업용 로봇 고장 진단"

  김윤한, 박정호, 나규민, 윤병동 Conference : 대한기계학회 2018년도 학술대회 2018-12-12

• "시간-주파수 이미지 데이터를 활용한 가변 속도 유성기어의 고장 감지법 개발"

  박정호, 김윤한, 나규민, 윤병동 Conference : 대한기계학회 2018년도 학술대회 2018-12-12

• "이미지 데이터를 이용한 가변 속도 유성기어의 고장 감지 기법 개발"

  박정호, 김윤한, 나규민, 윤병동, 주오 밍 Conference : PHM KOREA 2019 2019-04-11

• "산업용 로봇 기어박스의 동작 적응형 퓨샷 고장 감지 기법"

  오영탁, 나규민, 김윤한, 윤병동 Conference : 한국PHM학회 2020년도 정기학술대회 2020-07-23

• "순간 주파수 기반 신호 분해를 활용한 기어박스 고장 진단"

  나규민, 김윤한, 윤병동 Conference : 한국PHM학회 2020년도 정기학술대회 2020-07-22

• "코일 전류 분석을 활용한 고압 차단기의 딥러닝 기반 고장 감지 방법 개발"

  김윤한, 정진교, 김수호, 윤병동 Conference : 한국PHM학회 2020년도 정기학술대회 2020-07-22

• "유리의 레이저 보조 미세 가공의 딥러닝 기반 가공 품질 모니터링 방법 개발"

  김윤한, 김태겸, 윤병동, 안성훈 Conference : 2020 한국생산제조학회 춘계학술대회 2020-07-13

Awards

• 김윤한 ,"대한기계학회 신뢰성부문 2022년도 - 우수학위논문상(박사)" 2022-03-24

• 김윤한 ,"서울대학교 기계공학부 2021학년도 2학기 우수박사학위논문상" 2022-02-25

• 김윤한, 나규민, 윤병동 ,"Asia Pacific Conference of the Prognostics and Health Management Society 2021 - Best Student Award (Bronze Medal)" 2021-09-10

• 김윤한, 정진교, 김수호, 윤병동 ,"한국PHM학회 2020년도 정기학술대회 - 우수발표상" 2020-07-23

• 김윤한, 박정호, 나규민, 윤병동 ,"대한기계학회 2019년도 학술대회 신뢰성부문 - 우수학생논문상" 2020-07-16

• 김명연, 김윤한 ,"산업AI해커톤 Factory Hack Korea 2020 - 장려상" 2020-01-18

• 오영탁, 김윤한, 나규민, 윤병동 ,"International Conference on Materials and Reliability 2019 - Best Paper Award" 2019-12-10

• 윤명백, 김윤한, 이동기, 조민기 ,"2019 PHM Society Data Challenge Competition - Winner (1st Place)" 2019-09-25

• 나규민, 박정호, 김윤한, 윤병동 ,"한국PHM학회 2019년도 정기학술대회 - 우수발표상" 2019-04-12

• 박정호, 하종문, 김윤한, 윤병동 ,"대한기계학회 2016년도 학술대회 신뢰성부문 - 우수학생논문상" 2017-02-23