Publications

International Journal

• Digital Twin Approach for On-Load Tap Changers Using Data-driven Dynamic Model Updating and Optimization-based Operating Condition Estimation

  Wongon Kim, Sunuwe Kim, Jingyo Jeong, Hyunjae Kim, Hyunchan Lee, and Byeng D. Youn* Mechanical Systems and Signal Processing , 2022-12 , SCIE (IF: 7.9, Rank: 2.5%) , Vol. 181, pp. 109471, 2022

  LINK

• Learning from Even a Weak Teacher: Bridging Rule-based Duval Method and a Deep Neural Network for Power Transformer Fault Diagnosis

  Sunuwe Kim, Jongmin Park, Wongon Kim, Soo-Ho Jo*, and Byeng D. Youn* International Journal of Electrical Power and Energy Systems , 2022-03 , SCIE (IF: 5.0, Rank: 18.3%) , Vol. 136, pp. 107619, 2022

  LINK

• A Semi-Supervised Autoencoder with an Auxiliary Task (SAAT) for Power Transformer Fault Diagnosis Using Dissolved Gas Analysis

  Sunuwe Kim¹, Soo-Ho Jo¹, Wongon Kim, Jongmin Park, Jingyo Jeong, Yeongmin Han, Daeil Kim, and Byeng D. Youn* IEEE Access , 2020-10 , SCIE (IF: 3.4, Rank: 34.5%) , Vol. 8, pp. 178295-178310, 2020

  LINK

• Fault Log Recovery Using an Incomplete-data-trained FDA Classifier for Failure Diagnosis of Engineered Systems

  Hyunjae Kim, Jong M. Ha, Jungho Park, Sunuwe Kim, Keunsu Kim, Beom Chan Jang, Hyunseok Oh*, and Byeng D. Youn International Journal of Prognostics and Health Management , 2016-04 , SCIE (IF: 0.0, Rank: 0.0%) , Vol. 7, No. 1, pp. 1-10, 2016

Application Patent

• International  "Transformer Malfunction Diagnosis Device and Malfuction Diagnosis Method Using Same"

  United States of America

  United States of America

  Patent No. : 18/260090

  2023-06-30

• International  "Fault Diagnosis Device of Transformer and Fault Diagnosis Method Using the Same"

  Patent Cooperation Treaty

  Patent Cooperation Treaty

  Patent No. : PCT/KR2021/013531

  2021-10-01

Registration Patent

• Domestic  "Method and Apparatus for Power Transformer Fault Diagnosis"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2374551

  2022-03-10

• Domestic  "Fault Diagnosis Device of Transformer and Fault Diagnosis Method Using the Same"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2354342

  2022-01-18

• Domestic  "Apparatus and Method for Detecting Data Needs Label Update"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2242203

  2021-04-14

• Domestic  "Fault Diagnosis Method of Transformer"

  Republic of Korea

  Republic of Korea

  Patent No. : 10-2128460

  2020-06-24

International Conference

• "A Model Updating Framework for a Digital Twin of On-Load Tap Changers"

  Wongon Kim, Sunuwe Kim, Jingyo Jeong, Hyunjae Kim, and Byeng D Youn Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2021 2021-09-08

• "A Semi-Supervised Autoencoder with an Auxiliary Task (SAAT) to Extract a Health Feature Space for Power Transformer Fault Diagnosis Using Dissolved Gas Analysis"

  Sunuwe Kim, Soo-Ho Jo, Wongon Kim, Jongmin Park, and Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2021 2021-09-08

• "Autonomous Health Data Extraction for Power Transformer in Large Scale Data Sets using Autoencoder"

  Sunuwe Kim, Hyunjae Kim, Wongon Kim, and Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management 2019 2019-07-24

• "Deep CNN based Partial Discharge Classification Model for GIS Using On-site Data"

  Jongmin Park, Sooho Kim, Hyunjae Kim, Sunuwe Kim, and Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management 2019 Prognostics & Health Management

• "Extended Greedy Algorithm for Feature Subset Selection of Fault Detection with Imbalanced Data"

  Hyunhee Choi, Hyejeong Son, Sunuwe Kim, Sooho Kim, Hyunjae Kim, and Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management 2019 2019-07-24

• "Sequential Shift Mechanism Fault Diagnosis of Power Transformer using Dynamic Model and Deep Learning"

  Wongon Kim, Sunuwe Kim, Hyunjae Kim, and Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management 2019 2019-07-24

• "Online Thermal State Estimation of High Power Lithium-ion Battery"

  Hyunjae Kim, Sunuwe Kim, Taejin Kim, Chao Hu, and Byeng D. Youn Conference : 2015 IEEE International Conference on Prognostics and Health Management 2015-06-23

  LINK

• "An Online-Applicable Model for Predicting Health Degradation of PEM Fuel Cells"

  Taejin Kim, Hyunseok Oh, Hyunjae Kim, Sunuwe Kim, Byeng D. Youn Conference : 3rd International Conference on Materials and Reliability 2015-11-25

  LINK

• "Robust Optimal Sensor Network Design for Estimating Structural Behavior under Uncertainty Material Property"

  Taejin Kim, Sunuwe Kim, and Byeng D. Youn Conference : 7th Asia-Pacific International Symposium on Advanced and Maintenance Modelling 2016-08-25

  LINK

• "Online Estimation of Heat Generation Rate Estimation for High Power Lithium-Ion Battery"

  Hyunjae Kim, Sunuwe Kim, Taejin Kim, Chao Hu, and Byeng D. Youn Conference : 7th Asia-Pacific International Symposium on Advanced and Maintenance Modelling 2016-08-25

  LINK

• "Robust Optimal Sensor Network Design for Estimating Structural Behavior under Uncertainty Material Property"

  Taejin Kim, Sunuwe Kim, Hyunseok Oh, Byeng D. Youn Conference : Asian Conference Experimental Mechanics 2016 2016-11-16

• "A Robust Thermal Sensor Network Design for In-Situ Temperature Estimation of Li-ion Battery Pack"

  Taejin Kim, Sunuwe Kim, Byeng D. Youn Conference : 12th World Congress of Structural and Multidisciplinary Optimization 2017-06-08

• "Deep Neural Network for Fault Diagnosis of Power Transformers Using Dissolved Gas Analysis"

  Sunuwe Kim, Beom Chan Jang, Byeng D. Youn, Daeil Kwon, Byeong-Cheol Park Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2017 2017-07-12

• "Online Temperature Estimation of Li-ion Battery Pack Using Principal Component Analysis"

  Taejin Kim, Sunuwe Kim, Byeng D. Youn Conference : Asia Pacific Conference of the Prognostics and Health Management Society 2017 2017-07-14

• "Physical Analysis of Latent Feature Space inside End-to-end One Dimensional Convolutional Neural Network for Fault Diagnosis"

  Sooho Kim, Sunuwe Kim, Hyunjae Kim, Jungho Park and Byeng D. Youn Conference : International Conference on Energy and Sustainability 2018 2018-10-19

Domestic Conference

• "고출력 리튬 이온 배터리의 동적 발열량 측정을 위한 열량계 개발"

  김현재, 김태진, 김선의, 윤병동 Conference : 2014 제 1회 미래국방컨퍼런스 2014-11-25

• "Health Feature Extraction for Power Transformer Using Autoencoder"

  김선의, 윤병동 Conference : PHM KOREA 2019 2019-04-11

• "Digitalization of Power Electrical Transformer: Status and Vision"

  한영민, 김현재, 김선의, 윤병동 Conference : PHM KOREA 2019 2019-04-11

• "합성곱 신경망 기반의 GIS PD 고장 감지 및 진단 모델 개발"

  박종민, 김수호, 김현재, 김선의, 윤병동 Conference : PHM KOREA 2019 2019-04-12

• "Fault On Load Tap Changer Vibration Signal Generation using Dynamic Model"

  김원곤, 김선의, 김현재, 윤병동 Conference : PHM KOREA 2019 2019-04-12

• "변전 설비 기계적 구동 장치의 동적 모델을 이용한 이상 데이터 생성"

  김원곤, 김현재, 김선의, 윤병동 Conference : 대한기계학회 CAE 및 응용역학부문 2019년도 춘계학술대회 2019-04-18

• "변압기 절연열화 추정을 위한 딥러닝 기반 건전성 데이터 추출"

  김선의, 김현재, 김원곤, 윤병동 Conference : 대한기계학회 2019년 학술대회 2019-11-15

• "변압기 고장 진단을 위한 유중가스분석 기반 준감독 오토인코더와 보조 학습으로 건전성 평면 추출"

  김선의, 조수호, 김원곤, 박종민, 윤병동 Conference : 대한기계학회 CAE 및 응용역학부문 2020년도 춘계학술대회 2020-08-20

• "미완성 데이터를 이용한 FDA 분류기 기반 고장 기록 복원 및 고장 감지"

  김현재, 하종문, 박정호, 김선의, 김근수, 장범찬, 오현석, 윤병동 Conference : 대한기계학회 창립 70주년 기념 학술대회 2015-11-13

• "리튬 이온 배터리 팩의 실시간 온도 추정을 위한 센서 네트워크 디자인"

  김태진, 김선의, 윤병동 Conference : 대한기계학회 2016년도 학술대회 2016-12-14

• "합성곱 신경망 기반의 위상 불변에 강건한 GIS PD 고장 진단 모델 개발"

  박종민, 김선의, 김수호, 정진교, 윤병동 Conference : 대한기계학회 2018년도 학술대회 2018-12-14

• "변압기 절연 열화 시험의 불균형 데이터셋을 활용한 고장 감지 기법"

  최현희, 김선의, 김현재, 윤병동 Conference : PHM KOREA 2019 2019-04-11

• "변형 조건부 GAN의 설명가능한 변압기 고장진단"

  김선의, 김원곤, 박종민, 정진교, 윤병동 Conference : 한국PHM학회 2020년도 정기학술대회 2020-07-22

• "탭 절환 장치의 기계적 상태 추정을 위한 디지털 트윈 갱신 방법론"

  김원곤, 김선의, 정진교, 윤병동 Conference : 2020년도 춘계 소음진동 학술대회 2020-06-04

Awards

• 김수호, 김선의, 김현재, 박정호, 윤병동 ,"International Conference on Energy and Sustainability 2018 - Outstanding Presentation Award" 2018-10-19

• 김현재, 하종문, 박정호, 김선의, 김근수, 장범찬, 오현석, 윤병동 ,"2015 PHM Society Data Challenge Competition - Winner" 2015-10-21