Publications

Sangkeum Lee, Haechan Jeong, Sarvar Hussain Nengroo, Dongsoo Har, "Frequency Hopping Synchronized by Reinforcement Learning for Satellite Communication System," IEEE transactions on machine learning in communications and networking, submitted.

Sookeun Song, Minseo Jo, Bong Kuk Lee, Sangkeum Lee, Hyunbean Yi, "Camera-based Sow Posture Analysis and Prediction of Artificial Insemination Timing," Agriculture, 2025.

Minsung Jung, Hyeonseok Jang, Woohyeon Kwon, Jiyun Seo, Suna Park, Beomdo Park, Junseong Park, Donggeon Yu, Sangkeum Lee, "A Comparative Study of Customized Algorithms for Anomaly Detection in Industry-Specific Power Data," Energies, 2025.

Jianxin Xiong, Zhiyuan Zhou, Vyacheslav V Dubrovskiy, Sangkeum Lee, "A new digital watermarking model using honey encryption and reversible cellular automata," Scientific Reports, 2025.

Sarvar Hussain Nengroo, Dongsoo Har, Hoon Jeong, Taewook Heo, Sangkeum Lee, "Continuous-Variable Quantum Reinforcement Learning for HVAC Control and Power Management in Residential Building," Energy and AI, 2025.

Mahmoud Abdel-Salam, Saleh Ali Alomari, Jun Yang, Sangkeum Lee, Kashif Saleem, Aseel Smerat, “Harnessing Dynamic Turbulent Dynamics in Parrot Optimization Algorithm for Complex High-Dimensional Engineering Problems,” Computer Methods in Applied Mechanics and Engineering, 2025.

Qiang Sun, Lin Yang, Cheng Guo, Sangkeum Lee, “Machine Learning-based Optimisation Algorithms for Sentiment Analysis: An Analysis of the State-of-the-Art and Upcoming Challenges,” Journal of Experimental & Theoretical Artificial Intelligence, 2025.

Haoyu Yang, Entesar Gemeay, Abdullah Alqahtani, Abed Alanazi, Shtwai Alsubai, Sangkeum Lee, "Facial Expression Recognition by Multi-Scale Local Binary Patterns (MLBP) and Convolutional Neural Network (CNN) Features," Expert Systems, 2025.

Sangkeum Lee, Mohammad H. Almomani, Saleh Ali Alomari, Kashif Saleem, Aseel Smerat, Vaclav Snasel, Amir H. Gandomi, Laith Abualigah, "A Novel Deep Learning Framework with Artificial Protozoa Optimization-based Adaptive Environmental Response for Wind Power Prediction," Scientific Reports, 2025.

Mahmoud Abdel-salam, Saleh Ali Alomari, Mohammad H. Almomani, Gang Hu, Sangkeum Lee, Kashif Saleem, Aseel Smerat, Laith Abualigah, "Quadruple Strategy-Driven Hiking Optimization Algorithm for Low and HighDimensional Feature Selection and Real-World Skin Cancer Classification," Knowledge-Based Systems, 2025.

Zhijing Liu, Tong Su, Michail A. Zakharov, Guoliang Wei, Sangkeum Lee,  "Software Defect Prediction based on Residual/Shuffle Network Optimized by Upgraded Fish Migration Optimization Algorithm," Scientific Reports, 2025.

Hisham M. Soliman, Ehab H.E. Bayoumi, Sangkeum Lee, "Ellipsoidal Design of Robust Secure Frequency Control in Smart Cities under Denial-of-Service Cyber Attack," Smart Cities, 2025.

Wang Long, Zhao Qixin, Michail A Zakharov, Sangkeum Lee, "Optimizing fault prediction in software based on MnasNet/LSTM optimized by an improved lotus flower algorithm," Egyptian Informatics Journal, 2025.

Hanen Issaoui, Asma Eladel, Ahmed Zouinkhi, Mourad Zaied, Lazhar Khriji, Sarvar Hussain Nengroo, Sangkeum Lee, "Defending CNN Against FGSM Attacks Using Beta-Based Personalized Activation Functions and Adversarial Training," IEEE Access, 2024.

Mimouna Abdullah Alkhonaini, Entesar Gemeay, Firas Muhammad Zeki Mahmood, Mohamed Ayari, Farhan A Alenizi, Sangkeum Lee, "A new encryption algorithm for image data based on two-way chaotic maps and iterative cellular automata," Scientific Reports, 2024.

Jianhong Ye, Zhiyong Zhao, Ehsan Ghafourian, AmirReza Tajally, Hamzah Ali Alkhazaleh, Sangkeum Lee, "Optimizing the Topology of Convolutional Neural Network (CNN) and Artificial Neural Network (ANN) for Brain Tumor diagnosis (BTD) through MRIs," Heliyon, 2024.

Hojun Jin, Sarvar Nengroo, Juhee Jin, Dongsoo Har, Sangkeum Lee, “P2P Power Trading Based on Reinforcement Learning for Nanogrid Clusters,” Expert Systems With Applications, 2024.

Sarvar Hussain Nengroo*, Sangkeum Lee*, Mostafa F. Shaabanc, Dongsoo Har, "Incorporating Energy Storage System into Grid Connected PV System with the Application of Wireless Sensor Network," Journal of Energy Storage, 2024.

Mimouna Abdullah Alkhonaini, Farhan A Alenizi, Yahia Hasan Jazyah, Sangkeum Lee, “A two-phase spatiotemporal chaos-based protocol for data integrity in IoT,” Scientific Reports, 2024.

Ting Xu, Mohammad Hosein Sabzalian, Ahmad Hammoud, Hamed Tahami, Ali Gholami, Sangkeum Lee, “An innovative machine learning based on feed-forward artificial neural network and equilibrium optimization for predicting solar irradiance,” Scientific Reports, 2024.

Wanqi Lai, Meixia Kuang, Xiaorou Wang, Parviz Ghafariasl, Mohammad Hosein Sabzalian, Sangkeum Lee, “Skin cancer diagnosis (SCD) using Artificial Neural Network (ANN) and Improved Gray Wolf Optimization (IGWO),” Scientific Reports, 2023.

Sui Zhihan, Ali Mohammadiounotikandi, Saeed Ghareh Khanlooei, Sepideh Monjezi, Mekhmonov Sultonali Umaralievich, Ali Ehsani, Sangkeum Lee, “A new conceptual model to investigate the role of hospital's capabilities on sustainable learning,” Heliyon, 2023.

Wajih El Hadj Youssef, Ali Abdelli, Fehmi Kharroubi, Fethi Dridi, Lazharkhriji, Razzaqul Ahshan, Mohsen Machhout, Sarvar Hussain Nengroo, Sangkeum Lee, “A Secure Chaos-based Lightweight Cryptosystem for the Internet of Things,” IEEE Access, 2023.

Hisham M Soliman, Ehab H. E. Bayoumi, Farag A. El-Sheikhi, Razzaqul Ahshan, Sarvar Hussain Nengroo, Sangkeum Lee, “Invariant set-based DC microgrid decentralized actuator fault-tolerant control,” IEEE Access, 2023.

Md. Sayed Hasan Rifat, Md. Ashaduzzaman Niloy, Mutasim Fuad Rizvi, Ashik Ahmed, Razzaqul Ahshan, Sarvar Hussain Nengroo, Sangkeum Lee, “Application of Binary Slime Mould Optimization Algorithm for solving Unit Commitment Problem,” IEEE Access, 2023.

Sangkeum Lee, Sarvar Hussain Nengroo, Hojun Jin, Yoonmee Doh, Chungho Lee, Taewook Heo, and Dongsoo Har, "Anomaly Detection of Smart Metering System for Power Management with Battery Storage System/Electric Vehicle,” ETRI Journal, 2023.

Hojun Jin, Sangkeum Lee, Sarvar Hussain Nengroo, Dongsoo Har “Peer-to-peer energy trading between nanogrids with utilization of energy storage system considering battery degradation cost,” Energy and Buildings, 2023.

Shayan Bahadoran Baghbadorani, Seyed abdolhassan johari, Zahra Fakhri, Esmaeil Khaksar Shahmirzadi, Shav-katov Navruzbek Shavkatovich, Sangkeum Lee, “A New Version of African Vulture Optimizer for Apparel Supply Chain Management Based on Reorder Decision-Making,” Sustainability, 2022.

Sarvar Hussain Nengroo, Hojun Jin, and Sangkeum Lee, "Management of Distributed Renewable Energy Resources with the Help of a Wireless Sensor Network,” Applied Sciences, 2022.

Hojun Jin, Sangkeum Lee, Sarvar Hussain Nengroo, Dongsoo Har, " Development of Charging/Discharging Scheduling Algorithm for Economical and Energy-Efficient Operation of Multi-EV Charging Station," Applied Sciences, 2022.

Sangkeum Lee, Hojun Jin, Luiz Felipe Vecchietti, Junhee Hong, Ki-Bum Park, Pham Ngoc Son, and Dongsoo Har, "Cooperative decentralized peer-to-peer electricity trading of nanogrid clusters based on predictions of load demand and PV power generation using a gated recurrent unit model," IET Renewable Power Generation, 2021.

Taeyoung Kim, Luiz Felipe Vecchietti, Kyujin Choi, Sangkeum Lee, and Dongsoo Har, "Machine Learning for Advanced Wireless Sensor Networks: A Review," IEEE Sensors Journal, 2020.

Sangkeum Lee, Hojun Jin, Luiz Felipe Vecchietti, Junhee Hong, and Dongsoo Har. “Short-term Predictive Power Management of PV-powered Nanogrids,” IEEE Access, 2020.

Sangkeum Lee, Luiz Felipe Vecchietti, Hojun Jin, Junhee Hong, and Dongsoo Har. “Power Management by LSTM Network for Nanogrids,” IEEE Access, 2020.

Sangkeum Lee, Suil Kim, Minah Seo, Dongsoo Har. "Synchronization of Frequency Hopping by LSTM Network for Satellite Communication System," IEEE Communications Letters, 2019.

Minah Seo, Luiz Felipe Vecchietti, Sangkeum Lee, and Dongsoo Har. "Rewards Prediction-Based Credit Assignment for Reinforcement Learning with Sparse Binary Rewards," IEEE Access, 2019.

Sangkeum Lee, Junho Lee, Heedae Jung, Jintae Cho, Junhee Hong, Sangmin Lee, and Dongsoo Har. "Optimal Power Management for Nanogrids Based on Technical Information of Electric Appliances," Energy and Buildings, 2019.

Sangkeum Lee, Hong-Yeon Cho, and Dongsoo Har. "Operation Optimization with Jointly Controlled Modules Powered by Hybrid Energy Source: A Case Study of Desalination," Renewable and Sustainable Energy Reviews, 2018.

Celso Moraes, Sunghee Myung, Sangkeum Lee, and Dongsoo Har. "Distributed Sensor Nodes Charged by Mobile Charger with Directional Antenna and by Energy Trading for Balancing," Sensors, 2017.

Sangkeum Lee, Junhee Hong, and Dongsoo Har. "Jointly Optimized Control for Reverse Osmosis Desalination Process with Different Types of Energy Resource," Energy, 2016.

Sangkeum Lee, Sunghee Myung, Junhee Hong, and Dongsoo Har. "Reverse Osmosis Desalination Process Optimized for Maximum Permeate Production with Renewable Energy," Desalination, 2016.

Ryu, Hyun-Gyu, Sang-Keum Lee, and Dongsoo Har. "Data transmission with reduced delay for distributed acoustic sensors," International Journal of Distributed Sensor Networks, 2015.

 Sangkeum Lee, Dongsoo Har, Luiz Felipe Vecchietti, Junhee Hong, Hoi-Jeong Lim. “Optimal Link Scheduling Based on Attributes of Nodes in 6TiSCH Wireless Networks” The Journal of KIIT, 2020.

Beomdo Park, Hyeonseok Jang, Junseong Park, Minu Baek, Gihun Gil, Minsung Jung, Woohyeon Kwon, Harin Jang, Yeojin Jang, Hoon Jeong, Taewook Heo and Sangkeum Lee, "Multi-Stage Reinforcement Learning for Robust Charging of Quantum Batteries (Student Abstract)," Proceedings of the AAAI Conference on Artificial Intelligence, 2026.

 Harin Jang, Yeojin Jang, and Sangkeum Lee, "Wi-Fi 7 MLO 환경에서 QoS 인식 동적 링크 관리에 대한 강화학습 접근법," 한국통신학회 종합 학술 발표회(추계), 2025. (Poster)

Yeojin Jang, Harin Jang, and Sangkeum Lee, "산업 네트워크 환경에서의 DQN 기반 지능형 라우팅 정책 연구," 한국통신학회 종합 학술 발표회(추계), 2025. (Poster)

Woohyeon Kwon, Minsung Jung, Jeongseop Lee, Taewook Heo, Chungho Lee, and Sangkeum Lee, "DTW 군집화 기반 롤링 IQR 규칙 강화학습을 통한 이상치 탐지 모델에 관한 연구," 한국통신학회 종합 학술 발표회(추계), 2025. (Poster)

Minsung Jung, Woohyeon Kwon, Jeongseop Lee, Taewook Heo, Chungho Lee, and Sangkeum Lee, "강화학습(SAC) 기반 LSTM-AE 이상 탐지 임계값 동적 최적화," 한국통신학회 종합 학술 발표회(추계), 2025. (Poster)

Beomdo Park, Hyeonseok Jang, Junseong Park, Hoon Jeong, Taewook Heo, and Sangkeum Lee, "그래프 신경망 기반 강화학습을 통한 양자 배터리 초흡수 이득 활용," 한국통신학회 종합 학술 발표회(추계), 2025. (Talk)

 Junseong Park, Beomdo Park, Hyeonseok Jang, Hoon Jeong, Taewook Heo, and Sangkeum Lee, "단계적 강화학습 프레임워크를 통한 강건한 양자 배터리 충전," 한국통신학회 종합 학술 발표회(추계), 2025. (Poster)

Hyeonseok Jang, Junseong Park, Beomdo Park, Hoon Jeong, Taewook Heo, and Sangkeum Lee, "비마르코프 노이즈를 활용한 PPO 기반 양자 배터리 충전 프로토콜 최적화," 한국통신학회 종합 학술 발표회(추계), 2025. (Poster)

Gihun Gil, Seoyoung Lee, Minu Baek, Jio Yoo, Jinyoung Choi, Yoonmee Doh, and Sangkeum Lee, "실시간 제지 공정 운영 효율화를 위한 LLM과 RAG기반 대화형 AI 어시스턴트 설계," 한국통신학회 종합 학술 발표회(추계), 2025. (Talk)

Minu Baek, Jio Yoo, Gihun Gil, Seoyoung Lee, Yoonmee Doh, Jinyoung Choi, and Sangkeum Lee, "강화학습 기반 제지 공정 자율 운전: 초기 안정화 가속화 전략," 한국통신학회 종합 학술 발표회(추계), 2025. (Talk)

Donggeon Yu, Sangkeum Lee, Yoonmee Doh, Jinyoung Choi, "제지공정 변동성 반영을 위한 Neural SDE 기반 강화학습 연구," 제6회 한국 인공지능 학술대회, 2025. (Talk)

Donggeon Yu, Suna Park, Jiyun Seo, and Sangkeum Lee, “스마트 팩토리 내 트윈 모델 성능 향상을 위한 물리 모델 고도화 연구,” 한국통신학회 종합 학술 발표회(하계), 2025. (Talk)

Hyeonseok Jang, Minsung Jung, Chungho Lee, Taewook Heo, and Sangkeum Lee, “이상치 탐지 성능 향상을 위한 MI‐FGSM 데이터 증강 기법,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Beomdo Park, Woohyeon Kwon, Chungho Lee, Taewook Heo, and Sangkeum Lee, “고속 푸리에 변환(FFT) 기반 주기 추출 및 윈도우 구성을 활용한 GELU CNN‐GRU AE 모델의 실시간 전력 시계열 이상치 탐지,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Junseong Park, Jeongseop Lee, Donggeon Yu, Chungho Lee, Taewook Heo, and Sangkeum Lee, “LSTM Autoencoder와 Unsupervised Anomaly Detection 모델의 시간 해상도별 이상치 탐지 성능 분석,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Bongkyung Kim, Harin Jang, Yeojin Jang, and Sangkeum Lee, “사용자 맞춤형 키 매핑 테이블의 블록체인 저장 구조 설계 및 구현: Hyperledger Fabric 기반 접근 방식,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Yeojin Jang, Bongkyung Kim, Harin Jang, and Sangkeum Lee, “키로깅 시뮬레이션 기반 공격 분석 및 보안 기법 검증,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Harin Jang, Yeojin Jang, Bongkyung Kim, and Sangkeum Lee, “키보드 입력 보안을 위한 실시간 암호화 기법 연구,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Gihun Gil, Minseok Oh, Sumin Hong, Wongeun Ji, and Sangkeum Lee, “열화상 이상 탐지 시스템 구축을 위한 YOLO11n과 YOLO1s 비교 분석,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Wongeun Ji, Sumin Hong, Minseok Oh, Gihun Gil, and Sangkeum Lee, “클러스터링 기반 컴퓨터 열화상 이미지 데이터 분석을 통한 이상 탐지,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Suna Park, Jiyun Seo, Yoonmee Doh, and Sangkeum Lee, “팩토리 운전 전략 최적화를 위한 다목적 함수 및 강화학습 기반 전략 도출,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Jiyun Seo, Suna Park, Yoonmee Doh, and Sangkeum Lee, “펄프 배합비와 계절성 기반 스팀 사용량 예측을 통한 제지 공정 최적화 연구,” 대한전자공학회 종합 학술 발표회(하계), 2025. (Poster)

Minsung Jung, Junseo Kim, Jiyun Seo, Chungho Lee, Taewook Heo, Sangkeum Lee, "금속 산업 용도별 전력 데이터 비율 기반 임계값 최적화를 통한 이상치 탐지," 한국통신학회 종합 학술 발표회(동계), 2025. (Poster)

Hyeonseok Jang, Beomdo Park, Hanseong Kang, Suna Park, Chungho Lee, Taewook Heo, Sangkeum Lee, "DBA K-Means 군집화 알고리즘 기반 화공산업 전력 사용량 이상치 탐지," 한국통신학회 종합 학술 발표회(동계), 2025. (Poster)

Woohyeon Kwon, Junseong Park, Namseok Koo, Chungho Lee, Taewook Heo, Sangkeum Lee, "Isolation Forest와 Autoencoder 하이브리드 이상치 탐지 기법을 활용한 산업 전력 데이터 분석 및 최적화," 한국통신학회 종합 학술 발표회(동계), 2025. (Poster)

Namseok Koo, Suna Park, Daeun Ahn, Yoonmee Doh, Sangkeum Lee, "스마트 팩토리 최적화를 위한 GAF 기반 시계열 클러스터링 및 변동성 분석," 한국통신학회 종합 학술 발표회(추계), 2024. (Talk)

Seungju Lee, Jiyun Seo, Sangkeum Lee, "공급수 온도별 다항 회귀 모델링을 통한 역삼투 담수화 플랜트의 최적화," 한국통신학회 종합 학술 발표회(추계), 2024. (Talk)

Juryeong Kim, Daeun Ahn, Naeun Yoon, Sangkeum Lee, "딥러닝 전처리 모델 및 클러스터링 분석을 활용한 주거용 건물 실시간 공기질 모니터링 플랫폼," 한국통신학회 종합 학술 발표회(추계), 2024. (Poster) 

Namseok Koo, Suna Park, Daeun Ahn, Junyeon Kim, Yoonmee Doh, Sangkeum Lee, “스팀량 예측 인공지능 모델을 통한 공정의 에너지 효율 개선 모니터링 시스템,” 대한전자공학회 종합 학술 발표회(하계), 2024. (Poster)

Naeun Yoon, Beomhee Jung, Juryeong Kim, Nayoung Jin, Junyeon Kim, Yoonmee Doh, Sangkeum Lee, “초지 공정 최적화를 위한 특성 상관관계 기반 기계학습 기법을 이용한 에너지 효율 향상 모델,” 대한전자공학회 종합 학술 발표회(하계), 2024. (Poster)

Jinyoung Choi, Yoonmee Doh, Beomhee Jung, Sangkeum Lee, “제지공정 에너지 절감을 위한 초지공정 스팀에너지 모델링 연구,” 한국통신학회 종합 학술 발표회(하계), 2024. (Talk)

Beomhee Jung, Suna Park, Juryeong Kim, Chungho Lee, Sangkeum Lee, “산업 전기데이터 무결성을 위한 LSTM 네트워크를 이용한 결측치 처리 정보보호 플랫폼,” 한국통신학회 종합 학술 발표회(동계), 2024. (Talk)

Daeun Ahn, Naeun Yoon, Nayoung Jin, Sangkeum Lee, “멀티 센서 기반의 스마트홈 공기질 향상을 위한 모니터링 시스템,” 한국통신학회 종합 학술 발표회(동계), 2024. (Talk)

Haechan Jeong, Sangkeum Lee, “최대 생산량 및 에너지 절감을 위한 역삼투 담수화 플랜트 공정 최적화,” 한국통신학회 종합 학술 발표회(추계), 2023. (Talk)

Sangkeum Lee, Sarvar Nengroo, Hojun Jin, Yoonmee Doh, Chungho Lee, Taewook Heo, Dongsoo Har, “Power Management in Smart Residential Building with Deep Learning Model for Occupancy Detection by Usage Pattern of Electric Appliances,” 2023 5th International Electronics Communication Conference (IECC 2023), 2023. (Talk).

Seongkwon Cho, Chungho Lee, Sangkeum Lee, Jin-Hong Kim, Yoonmee, Doh, Cheol-Soo Park “Integrated control of radiant floor heating system in residential buildings,” Building Simulation 2023, 2023(Talk).

Sangkeum Lee, Yoonmee Doh, Chungho Lee, Taewook Heo, “주거용 건물의 냉방 에너지 절감을 위한 클러스터링 분석,” 한국통신학회 종합 학술 발표회(하계), 2023. (Talk)

Sangkeum Lee, Sarvar Hussain Nengroo, Yeonji Jung, Seonhyeog Kim, Soonhyun Kwon, Youngmee Shin, Yoonmee Doh, Taewook Heo, Dongsoo Har, “Factory Energy Management by Steam Energy Cluster Modeling in Paper-Making,” 11th International Conference on Smart Grid 2023 (icsmartgrid 2023), 2023(Talk)

Hojun Jin, Sangkeum Lee, Sarvar Hussain Nengroo, Haechan Jeong, Dongsoo Har, “무선 센서 네트워크를 이용한 분산형 신재생에너지 관리,” 제33회 통신정보 합동학술대회, 2023. (Talk).

Chungho Lee, Sangkeum Lee, Yoonmee Doh, Taewook Heo, “카르페디엠: 디지털트윈 기반 홈에너지관리시스템 프레임워크,” 한국통신학회 종합 학술 발표회 (동계), 2023. (Talk).

Kwanyeong Lee, Seon Hyeog Kim, Sangkeum Lee, Tae-Wook Heo, IL Woo Lee, “연속공정에서의 공장 에너지 수요 분석 및 예측 모델,” 한국통신학회 종합 학술 발표회 (동계), 2023. (Talk).

Soonhyun Kwon, Joahyoung Lee, Seonhyeog Kim, Sangkeum Lee, Youngmee Shin, Yoonmee Doh, and Taewook Heo, “공정에너지 절감을 위한 지식베이스 기반 디지털 트윈 시스템 설계와 구현,” 한국통신학회 종합 학술 발표회 (동계), 2023. (Talk).

Yeonji Jung, Yoonmee Doh, Seon hyeog Kim, Sangkeum Lee “제지 공정 시스템 에너지 절감을 위한 데이터 분류 및 특성 연구,” 한국통신학회 종합 학술 발표회 (동계), 2023. (Talk).

Sangkeum Lee, Yoonmee Doh, Chungho Lee, Taewook Heo, “가전제품 사용 패턴을 이용한 재실 감지를 위한 머신러닝 기반 클러스터링 방법론,” 제1회 한국 에너지 학술대회, 2022. (Talk).

Seonhyeog Kim, Yoonmee Doh, Youngmee Shin, Soonhyun Kwon, Joahyoung Lee, Sangkeum Lee, and Taewook Heo, “공장에너지관리시스템(FEMS)의 공정 이상 모니터링을 위한 신경망 기반 분류 알고리즘 연구,” 한국통신학회 종합 학술 발표회 (하계), 2022. (Talk)

Sangkeum Lee, Yoonmee Doh, Youngmee Shin, Soonhyun Kwon, Joahyoung Lee, Seonhyeog Kim, and Taewook Heo, “제지공정 건조 실린더의 스팀에너지 모델링 방법론,” 한국통신학회 종합 학술 발표회 (하계), 2022. (Talk)

Soonhyun Kwon, Joahyoung Lee, Seonhyeog Kim, Sangkeum Lee, Youngmee Shin, Yoonmee Doh, and Taewook Heo, “IoE 환경에서 공장에너지 관리를 위한 빅시맨틱 시스템 설계,” 한국정보처리학회 학술 발표 대회 (춘계), 2022. (Talk)

Sangkeum Lee, Yoonmee Doh, Chungho Lee, and Taewook Heo, "GRU 오토인코더를 이용한 스마트미터링 데이터 이상치 탐지," 한국통신학회 종합 학술 발표회 (동계), 2022. (Talk)

Sangkeum Lee, Sarvar Hussain Nengroo, Hojun Jin, Yoonmee Doh, Chungho Lee, Taewook Heo, and Dongsoo Har. “Smart Metering System Capable of Anomaly Detection by Bi-Directional LSTM Autoencoder,” IEEE International Conference on Consumer Electronics (ICCE) 2022, 2022. (Talk)

Sarvar Hussain Nengroo, Sangkeum Lee, Hojun Jin, Dongsoo Har. " Optimal Scheduling of Energy Storage for Power System with Capability of Sensing Short-Term Future PV Power Production," 2021 International Conference on Power and Energy Systems (IECES), 2021. (Talk)

Sangkeum Lee, Hojun Jin, Sarvar Hussain Nengroo, Dongsoo Har. " P2P Power Trading between Nanogrid Clusters Exploiting Electric Vehicles and Renewable Energy Sources," 2021 International Conference on Computational Science and Computational Intelligence (CSCI), 2021. (Talk)

Chungho Lee, Yoonmee Doh, Sangkeum Lee, Taewook Heo. “에너지 빅데이터 활용을 위한 계량 클라우드 플랫폼 설계 및 구현,” 한국통신학회 종합 학술 대회 (추계), 2021. (Talk)

Hojun Jin, Sarvar Hussain Nengroo, Sangkeum Lee, Dongsoo Har. " Power Management of Microgrid Integrated with Electric Vehicles in Residential Parking Station," 10th International Conference on Renewable Energy Research and Applications (ICRERA), 2021. (Talk)

Sangkeum Lee, Dongsoo Har. “Optimal Energy Management in Nanogirds,” SENSORCOMM 2017: The Eleventh International Conference on Sensor Technologies and Applications, 2017. (Talk)

 인공 지능 기반의 P2P 전력 거래 방법 및 P2P 전력 거래 장치, 대한민국 특허 출원번호 10-2021-0051023, 2021/4, 한국전자통신연구원.

 인공 지능 기반의 P2P 전력 거래 방법 및 P2P 전력 거래 장치, 대한민국 특허 등록번호 10-2601197, 2023/11, 한국전자통신연구원.

 Artificial intelligence based P2P power trading method and apparatus, 미국 특허 출원번호 US17/674624, 2022/2, 한국전자통신연구원.

 스마트미터링 시스템에서 배터리/전기차의 인공지능 이상감지 및 충/방전 제어방법, 대한민국 특허 출원번호 10-2022-0122673, 2022/9, 한국전자통신연구원.

 제어 규칙과 인공지능이 통합된 스마트 홈 제어 시스템, 대한민국 특허 출원번호 10-2023-0008939, 2023/01, 한국전자통신연구원.

 전력 관리 시스템 및 방법, 대한민국 특허 출원번호 10-2023-0095478, 2023/07, 한국전자통신연구원.

 가전기기 사용 패턴을 이용한 재실 기반 가정 에너지 관리 AI 기법, 대한민국 특허 출원번호 10-2023-0150848, 2023/11, 한국전자통신연구원.

 신재생에너지 발전량 예측 기반 무선 센서 네트워크 내 링크 스케줄링 기법, 대한민국 특허 출원번호 10-2022-0179530, 2022/12, 한국과학기술원

 배관 시스템의 결함 진단 및 정확도 향상 방법, 10-202-0017631, 한국전자통신연구원.

 공장 에너지 관리 시스템에서 공정 이상 진단과 모니터링 방법 및 시스템, 10-2023-0066964, 한국전자통신연구원.

제지공정 스팀&회수열 인공지능&물리모델링으로 디지털트윈 모델링 구축, 한국전자통신연구원

연속 공정 효율화를 위한 다중 목표 기반 운전 가이드 장치 및 방법, 한국전자통신연구원

커리큘럼 강화학습을 이용한 양자 배터리의 강건한 충전 시스템, 10-2025-0162492, 국립한밭대학교