Papers Under Review and Preprints

• B. Jang,  S. Han, H. Baek, W. Kim*, and K. Kim*, " Fault Detection in Current and Voltage Sensors for Battery Pack Applications: Combining Supervised and Unsupervised Technique", Journal of Energy Storage. (Under Review)

• Y. Kim, K. Na, and W. Kim*, "Observability and State Estimation Accuracy Analysis of LiFePO4 Batteries with Hysteresis Model", International Journal of Control, Automation, and Systems. (Under Review)

• 서형빈, 김우용*, "퍼지 논리 기반 미래 날씨를 반영한 PV-ESS 선제 운용 전략", 대한전기학회논문지. (Accepted)

• 나건우, 김영승, 김우용*, "ESS용 LFP 배터리의 SOC-히스테리시스 대칭성을 이용한 고속 전압 모델링 기법", 대한전기학회논문지. (Submitted)

International Journal Papers

• Y. Kim, K. Na, Y. Seo, and W. Kim*, “Add-on-type Current Sensor Freezing Fault Diagnosis Algorithm based on Current-voltage Data Correlation for Battery Disconnect Units”, International Journal of Electrical Engineering & Technology, vol. 20, 2025.

• W. Kim, K.W. Na and K. Choi*, “A Current Sensor Fault-Detecting Method for Electric Vehicle Battery Management Systems based on Nonlinear Battery Cell Model and Disturbance Observer”, International Journal of Control, Automation, and Systems, vol. 21, 2023. 

• B. Jang, H. Choi, W. Kim* and K.S. Kim*, “Connection loss detection algorithm of parallel-connected cells based on change of battery SOC”, International Journal of Control, Automation, and Systems, vol. 21, 2023. 

• K. Choi and W. Kim*, “Real-Time Predictive Energy Management Strategy for Fuel Cell-Powered Unmanned Aerial Vehicles Based on the Control-Oriented Battery Model”, IEEE Control Systems Letters, vol.7, 2022.

• S. Jo, W. Kim, J. Kim and K.S. Kim*, “Study on actual Ah-throughput-based health indicator of battery module consisting of inconsistent cells for its second life”, IET Electronics Letters, vol. 58, no. 15, 2022. 

• W. Kim and K. Choi*, “Current Sensorless State of Charge Estimation Approach for Onboard Battery Systems with an Unknown Current Estimator”, Journal of Energy Storage, vol. 52, 2022.

• W. Kim, P. Y. Lee, J. Kim and K.S. Kim*, “A Robust State of Charge Estimation Approach based on Nonlinear Battery Cell Model for Lithium-ion Batteries in Electric Vehicles”, IEEE Transactions on Vehicular Technology, vol. 70, no. 6, 2021.

• W.Y. Kim, H.T. Seo, S. Kim and K.S. Kim*, “Practical Approach for Controlling Optical Image Stabilization System”, International Journal of Control, Automation and Systems, vol. 18, 2020. 

• W.Y. Kim, P. Y. Lee, J. Kim and K.S. Kim*, “A Nonlinear-Model-based Observer for a State-of-Charge Estimation of a Lithium-Ion Battery in Electric Vehicles”, Energies, vol. 12, no. 17, 2019.

International Conference Papers

• H. Lee, K. Choi*, and W. Kim, "Using Deep Reinforcement Learning for Dynamic Gain Adjustment of a Disturbance Observer", International Conference on Control, Automation, and Systems (ICCAS), Songdo, Korea (2025).

• K. Na, D. H. Kim, K. You, H. Lee and W. Kim*, "Current Sensor Error Auto-Calibration Algorithm for the Battery Disconnect Unit in Electrified Vehicles", IEEE Energy Conversion Congress and Expo (ECCE), Philadelphia, PA, USA (2025).

• K. Choi and W. Kim*, “Real-Time Predictive Energy Management Strategy for Fuel Cell-Powered Unmanned Aerial Vehicles Based on the Control-Oriented Battery Model”, American Control Conference (ACC), San Diego, CA, USA (2023).

• W.Y. Kim, P. Y. Lee, J. Kim and K.S. Kim*, “A Nonlinear Open Circuit Voltage Representation Enabling State of Charge Estimation at the Voltage Plateau Region of LiFePO4 Battery”, International Conference on Control, Automation and Systems (ICCAS), Busan, Republic of Korea (2020).

• W.Y. Kim, P. Y. Lee, J. Kim and K.S. Kim*, “State of Charge and Equivalent Internal Resistance Estimation for a Multi-cell Application based on Cell-Difference-Model”, IEEE Energy Conversion Congress and Expo (ECCE), Baltimore, MD, USA (2019).

• W.Y. Kim, P. Y. Lee, J. Kim and K.S. Kim*, “Simultaneous Cell-to-Cell Charge Equalization Control Command Generation Method for Multi-cell Application”, IEEE Transportation Electrification Conference and Expo Asia-Pacific (ECCE Asia), Jeju, Republic of Korea (2019).

• S.W. Kim, P.Y. Lee, J. Kim* and W.Y. Kim, “Comparative analysis of cell-to-cell voltage and internal parameters variation for the series/parallel battery pack”, 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019-ECCE Asia), Busan, Republic of Korea (2019).

• K.R. Kim, S.H. Jeong, W.Y. Kim, Y. Jeon, K.S. Kim* and J. Hong, “Design of Small Mobile Robot Remotely Controlled by a Android Operating System via Bluetooth and NFC Communication”, The 14th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI), Jeju, Republic of Korea (2017).

Domestic Journal Papers

• 김영승, 나건우, 김우용*, "히스테리시스 모델을 포함한 LiFePO4 배터리의 관측 가능성 및 상태 추정 정확도 분석", 제어로봇시스템학회논문지. 2025.

• 나건우, 최근하, 김우용*, "배터리 에너지 저장 장치용 LiFePO4 배터리 셀의 개방 회로 전압 히스테리시스를 고려한 충전량 추정 알고리즘", 전기학회논문지, 2025.

• 김영승, 나건우, 서유정, 김우용*, "배터리 시스템의 전압-전류 상관관계 분석을 통한 애드온 타입의 내부 저항 및 전류 센서 고장 동시 추정기 개발", 전기학회논문지, 2025.

• 나건우, 김영국, 최경환, 김우용*, 시그마-포인트 칼만 필터를 사용한 배터리 관리 시스템의 전류 센서 오차 보상 알고리즘", 제어로봇시스템학회논문지, 2024.

• 나건우, 최경환, 김우용*, "외란 관측기를 사용한 전기차 배터리 시스템의 전류 센서 고장 감지 방법", 제어로봇시스템학회논문지, 2023.

• 이성용, 이준용, 김우용*, "반작용 휠 기반 역진자 시스템의 무게중심 변화 적응 균형 유지 제어", 제어로봇시스템학회논문지, 2022.

• 김우용, 김정엽*, "고령자를 위한 실내 이동 보조 로봇 볼체어의 개발", 대한기계학회논문집, 2014.

Domestic Conference Papers

• 나건우, 김영승, 김우용*, "ESS용 LiFePO4 배터리의 SOC-히스테리시스 대칭성을 활용한 히스테리시스 전압 모델링 기법", 제 56회 대한전기학회 하계학술대회 (2025). Paper Award.

• 김영승, 나건우, 김우용*, "히스테리시스 모델을 포함한 LiFePO4 배터리의 관측 가능성 및 상태 추정 정확도 분석", 제40회 제어로봇시스템학회 학술대회 (2025). Paper Award.

• 나건우, 김영승, 김우용*, "리튬 이온 배터리 열화 특성을 반영한 SPKF-PF 기반 용량 추정 알고리즘", 제40회 제어로봇시스템학회 학술대회 (2025).

• K. Na, K.H. Choi, and W. Kim*, “A State of Charge Estimation Algorithm Considering Open Circuit Voltage Hysteresis of LiFePO4 Battery Cells for Battery Energy Storage System”, KIEE Electrical Facilities Fall Annual Conference, Jeju, Republic of Korea (2024).

• Y. Kim, K. Na, U. Seo, and W. Kim*, “Add-on Type Internal Resistance and Current Sensor Fault Estimation Algorithm Based on the Correlation of the Current-voltage Data”, KIEE Electrical Facilities Fall Annual Conference, Jeju, Republic of Korea (2024). Paper Award.

• K.W. Na, Y. Kim, K. Choi and W. Kim*, “A Current Sensor Error Compensation Algorithm for Battery Management Systems based on Sigma-point Kalman Filter”, The 39th ICROS Annual Conference, Deajeon, Republic of Korea (2024). Paper Award.

• W. Kim, K.W. Na, K. Choi* and, “A Current Sensor Fault-Detecting Method for Electric Vehicle Battery Management Systems based on Nonlinear Battery Cell Model and Disturbance Observer”, The 38th ICROS Annual Conference, Samcheok, Republic of Korea (2023).

• K. Choi and W. Kim*, “Using the Control-Oriented Battery Model to Convexify the Optimal Energy Control Problem of Electrified Powertrains”, The 37th ICROS Annual Conference, Geoje, Republic of Korea (2022).

• S.Y. Lee, J.Y. Lee and W. Kim*, “Adaptive Control of Inverted Pendulum with Reaction Wheel to its Center of Gravity Change”, The 37th ICROS Annual Conference, Geoje, Republic of Korea (2022).

• C.W. Lim, W.H. Lee and W.Kim*, “A Research on Remaining Value Determining Method for Efficient Reuse of Second-Life Batteries from Electric Vehicles”, KIPE General Meeting & Autumn Conference, Online Conference (2021).

• W.Y. Kim, P.Y. Lee, J. Kim and K.S. Kim*, “Online Identification of Li-ion Battery’s Internal Resistance based on a Recursive Least Squares Method to Prevent Overvoltage/Undervoltage”, Power Electronics Annual Conference, Hoengseong, Republic of Korea (2018).

• S.W. Kim, P.Y. Lee, D.H. Han, J.H. Park, W.Y. Kim and J. Kim*, “Comparison of Cell-to-Cell Voltage Imbalance of High-Power Serial Battery Pack with Variability of C-rate”, Power Electronics Annual Conference, Hoengseong, Republic of Korea (2018).

Patents

• 김우용, 나건우, 김영승, "리튬이온 배터리의 열화 특성을 반영한 SPKF-PF기반의 용량 추정 알고리즘"
  Korea – Application No. 10-2025-0136974.

• 김우용, 나건우, 김영승, "배터리 셀의 히스테리시스 전압 곡선 고속 획득법"
  Korea –Application No. 10-2025-0138084.

• 김우용, 서형빈, "날씨의 퍼지논리화를 통한 PV-ESS 연계 시스템의 최적 운용 설계"
  Korea – Application No. 10-2025-0125664.

• 김우용, 나건우, 김영승, "배터리 에너지 저장 장치용 LiFePO4 배터리 셀의 개방 회로 전압 히스테리시스를 고려한 충전량 추정 알고리즘"
  Korea – Application No. 10-2025-0124021.

• 김우용, 김영승, 서유정, 임혁, 김도선, "전류 센서 결함 감지 장치 및 방법"
  Korea – Application No. 10-2025-0057214.

• W. Kim and K.W. Na, “System and method for calculation State of Health in battery system”
  Korea – Application No. 10-2024-0202183.

• W. Kim and K.W. Park, “System and method for collaboration-based robot 3d printing”
  Korea – Application No. 10-2024-0200485.

• W. Kim and K.W. Park, “System and method for evaluating the performance and safety of robot”
  Korea – Application No. 10-2024-0200486.

• W. Kim and K.W. Park, “Apparatus and method for controlling universal robot joint”
  Korea – Application No. 10-2024-0201115.

• W.Y. Kim, “Apparatus and method for detecting current sensor failure in battery system”
  Korea – Application No. 10-2024-0076988.

• K.S. Kim, W.Y. Kim and Y.H. Kim, “Method and apparatus for detecting realtime position of gear shifting lever by recognizing driver’s intention of gear transition for manual transmission”
  Korea - Application No. 10-2019-0127532.

• J.Y. Kim, W.Y. Kim, M.S. Oh, and D.H. Kim, “Indoor mini mobile assistive ball chair robot”
  Korea - Application No. 10-1454869.