Publications

Jounals (International)

2025

• Kibok. Lee, "Fault-tolerant control for one-phase current sensor fault in open-end winding PMSM fed by dual inverter with a common DC bus," IEEE Trans. on Power Electronics, vol. 40, no. 1, pp. 124-128, Jan. 2025.  

• H. Kim, D. Kim, and Kibok. Lee, "A Novel ZSC Regulator with Third-harmonic BackEMF Estimation for OW-PMSM fed by Dual Inverter with a Common DC-bus," IEEE Trans. on Industry Applications, vol. 61, no. 6, pp. 9307-9315, Nov.-Dec., 2025.

• H. Kim, J. Song, and Kibok. Lee, "Q-MRAS Based I-F Startup for Model Predictive Current Controlled Sensorless SPMSM Drive," IEEE Trans. Industry Applications, vol. 61, no. 6, pp. 9394-9403, Nov.-Dec., 2025.

• Y. Yoon, M. O. Zapico, J. G. Tiemblo, H. Lee, Kibok Lee, D. Reigosa, C. Lim, and S. B. Lee, "Detection of Trailing Edge Demagnetization in Surface PM Synchronous Machines Based on High Frequency Equivalent Impedance," IEEE Trans. Industry Applications, Early Access, July. 2025.

2024

• Kibok. Lee, and Y. Han, "PWM Strategy in OVM and Six-step Regions for Open-end Winding PMSM Fed by a Dual Inverter with a Common DC Bus," IEEE Trans. on Power Electronics, vol. 39, no. 10, pp. 13696-13707, Oct. 2024.  

• Y. Han, H. Kim, H. Kim, and Kibok. Lee, "Dual MRAS for Robust Rotor Time Constant Compensation in IFOC IM Drives," IEEE Trans. on Energy Conversion, vol. 39, no. 3, pp. 1983-1993, Sep. 2024. 

2023

• S. Lee and Kibok. Lee, "Current Measurement Offset Error Compensation for IFOC Induction Motor Drives,” IEEE Trans. Industry Applications, vol. 59, no. 4, pp. 4130-4139, Jul./Aug. 2023.

• Kibok. Lee and Y. Han, "Simple Discontinuous Pulse-Width Modulation Scheme for the Loss Reduction of a Dual Inverter Fed an Open-end Winding Induction Motor " IEEE Trans. on Energy Conversion, vol. 38, no. 1, pp. 495-506, Mar. 2023. 

2022

• Kibok Lee, and Y. Han, “Reactive-power-based Robust MTPA Control for v/f Scalar-controlled Induction Motor Drives,” IEEE Trans. Industrial Electronics, vol. 69, no. 1, pp. 169-178, Jan. 2022. 

• H. Lee, H. Kim, J. Jeong, Kibok Lee, S. B. Lee, and G. C. Stone, "Inverter-embedded Partial Discharge Testing for Reliability Enhancement of Stator Winding Insulation in Low Voltage Machines,” IEEE Trans. Industry Applications, vol. 58, no. 2, pp. 2088-2096, Mar./Apr. 2022.

• H. Kim, and Kibok Lee, "Model Predictive Current Control with Online Parameter Estimation for Synchronous Reluctance Machine Controlled by High-Frequency Signal Injection Position-Sensorless," IEEE Access, vol. 10, pp. 25267-25277, Mar. 2022 

• H. Kim, Kibok Lee (C.A.), and S. Bhattacharya, "Improved EEMF-Based Position Sensorless Control for Non-Sinusoidal Back-EMF PMSMs," Journal of Electrical Engineering & Technology, vol. 17, pp. 1229-1238, Mar. 2022.

• S. Lee, H. Kim, and Kibok Lee, "Current Measurement Offset Error Compensation in Vector-controlled SPMSM Drive Systems," IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 10, no. 2, pp. 2619-2628, Apr. 2022. 

2020

• Kibok Lee, and Y. Han, “MTPA Control Strategy Based on Signal Injection for V/f Scalar-Controlled Surface Permanent Magnet Synchronous Machine Drives,” IEEE Access, vol. 8, pp. 96036-96044, May 2020.

• Kibok Lee, H. Kim, and S. Lukic, “A Rotating Restart Method for Scalar (v/f) Controlled Synchronous Reluctance Machine Drives Using a Single DC-Link Current Sensor,” IEEE Access, vol. 8, pp. 106629-106638, Jun. 2020.

• H. Kim, Y. Han, Kibok Lee, and S. Bhattacharya, “A Sinusoidal Current Control Strategy Based on Harmonic Voltage Injection for Harmonic Loss Reduction of PMSMs with Non-Sinusoidal Back-EMF,” IEEE Trans. Industry Applications, vol. 56, no. 6, pp. 7032-7043, Nov./Dec. 2020.

2019

• Kibok Lee, and S. M. Lukic, “Restart Strategy for Scalar (V/f) Controlled Synchronous Reluctance Machine Driving a High Inertia Load,” IEEE Trans. Industry Applications, vol. 55, no. 4, pp. 3834-3841, Jul./Aug. 2019.

2017

• Kibok Lee, S. Ahmed, and S. M. Lukic, “Universal Restart Strategy for Scalar (V/f) Controlled Induction Machines,” IEEE Trans. Industry Applications, vol. 53, no. 6, pp. 5489-5495, Nov./Dec. 2017.

2016

• Kibok Lee, S. Ahmed, and S. M. Lukic, “Universal Restart Strategy for High-Inertia Scalar-Controlled PMSM Drives,” IEEE Trans. Industry Applications., vol. 52, no. 5, pp. 4001-4009, Sep./Oct. 2016.

2015

• Z. Pantic, Kibok Lee, and S. M. Lukic, “Receivers for Multifrequency Wireless Power Transfer: Design for Minimum Interference,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 3, no. 1, pp. 234-241, Mar. 2015.

2014

• Kibok Lee, Z. Pantic, and S. M. Lukic, “Reflexive Field Containment in Dynamic Inductive Power Transfer Systems,” IEEE Trans. Power Electronics, vol. 29, no. 9, pp.4592-4602, Sep. 2014.

• Z. Pantic, Kibok Lee, and S. M. Lukic, “Multifrequency Inductive Power Transfer,” IEEE Trans. Power Electronics, vol. 29, no. 11, pp. 5995-6005, Nov. 2014.

Jounals (Domestic)

2022

• 이상민 and 이기복, “표면 부착형 동기 전동기 벡터 제어에서의 외란 관측기 기반 전류 측정 오프셋 오차 보상 방법,” Trans. Korean Inst. Power Electron., Accepted, Sep. 2022.

2020

• 김현성, 이상민, and 이기복, “V/f 스칼라 제어 영구자석 동기 전동기의 안정적 초기 구동 기법,” Trans. Korean Inst. Power Electron., vol. 25, no. 5, pp. 395-403, Oct. 2020.

Patents (US)

2020

• Kibok Lee, and Y. J. Lee, “Comprehensive smart-clamp strategy for inverter systems,” US 10601358, Mar. 2020.

• Y. J. Lee, Kibok Lee, and B. Gallert “System and method for estimating rotor sensor offset,” US 10608562, Mar. 2020.

• D. S. Ochs, A. Yoo, and Kibok Lee, “Sensor-less Control of an electric motor,” US 10601348, Mar. 2020.

2019

• S. Ahmed, Kibok Lee, and S. M. Lukic “Restart strategy for synchronous reluctance machines,” US 10298154, May 2019.

2015

• Y. Jung, Kibok Lee, and S. Lee, “Air Conditioning System and Method for Controlling Operation Thereof,” US 09097448, Aug. 2015.

Conference Proceedings (International)

2025

• D. Kim, H. Kim, and Kibok Lee, "Fault Control Strategy for Torque Ripple Reduction in Single-Phase Open Fault of OW-PMSM Fed by a Dual Inverter with a Common DC Bus," in Proc. IEEE/AIAA Transportation Electrification Conf. and Electric Aircraft Technologies Symp. (ITEC+EATS), June. 2025.

• H. Kim, H. Kim, D. Kum, S. Lee, and Kibok Lee, "Online Compensation Strategy for Current Sensor Scaling Errors in Induction Motor Drive Systems," in Proc. IEEE/AIAA Transportation Electrification Conf. and Electric Aircraft Technologies Symp. (ITEC+EATS), June. 2025.

• J. Suh, K. Shin, H. Kim, J. Song, Kibok Lee, Y. Ko, H. Lee, and J. Kim, "Enhanced Efficiency Inverter with Winding Changeover Circuit for Ultra High-Speed SPMSMs in Fuel-Cell Electric Vehicles," in Proc. IEEE/AIAA Transportation Electrification Conf. and Electric Aircraft Technologies Symp. (ITEC+EATS), June. 2025.

2024

• H. Kim, J. Song, and Kibok Lee , "I-F Startup with Reactive Power-based MRAS for Model Predictive Current Controlled SPMSM Drive," in Proc. Energy Convers. Congr. Expo., Oct. 2024.

• Kibok Lee and H. Jim, "A Novel ZSC Suppression Strategy with Third-harmonic Back-EMF Estimation for OW-PMSM fed by Dual Inverter with a Common DC-bus," in Proc. Energy Convers. Congr. Expo., Oct. 2024.

• Y. Yoon, M. Orviz, J. G. Tiemblo, Kibok Lee, D. Reigosa, C. Lim and S.-B. Lee , "Detection of Trailing Edge Demagnetization in Surface PM Synchronous Machines based on High Frequency Equivalent Impedance," in Proc. Energy Convers. Congr. Expo., Oct. 2024.

2023

• H. Kim, Y. Han, and Kibok Lee , "Improved Q-MRAS Based Online Rotor Time Constant Compensation for IFOC Controlled Induction Motor Drive ," in Proc. IEEE Appl. Power Electron. Conf. Expo., Mar. 2023.

2022

• Kibok Lee and Y. Han, "Discontinuous PWM Scheme for an Open-end Winding Induction Motor Drives Fed by Dual Inverter," in Proc. IEEE Energy Convers. Congr. Expo., Oct. 2022.

• S. Lee and Kibok Lee, "Current Measurement Offset Error Compensation for Indirect Field-Oriented Controlled Induction Motor Drives," in Proc. IEEE Energy Convers. Congr. Expo., Oct. 2022.

2021

• H. S. Kim and Kibok Lee, "Parameter-Free Predictive Current Control for Synchronous Machine Controlled by High-Frequency Signal Injection Sensorless," in Proc. IEEE Energy Convers. Congr. Expo., Oct. 2021.

• H. j. Lee, H. Kim, J. Jeong, Kibok Lee, S. B. Lee, and G. Stone, "Inverter-embedded Partial Discharge Testing for Reliability Enhancement of Stator Winding Insulation in Low Voltage Machines," in Proc. IEEE Energy Convers. Congr. Expo., Oct. 2021.

2020

• Kibok Lee, and Y. Han, “Maximum Torque per Ampere (MTPA) Control for Scalar v/f Controlled SPMSM Drives,” in Proc. IEEE Appl. Power Electron. Conf. Expo., pp. 2429-2433, Mar. 2020.

2019

• Kibok Lee, and S. M. Lukic, “Restart Strategy for Scalar Controlled Synchronous Reluctance Machine Driving a High-Inertia Load with a Single DC-link Current Sensor,” Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia) 2019 10th International Conference on, pp. 1286-1292, May 2019.

2018

• Kibok Lee, S. Ahmed, and S. M. Lukic, “Restart Strategy for Synchronous Reluctance Machine Driving a High Inertia Load,” in Proc. IEEE Energy Convers. Congr. Expo., pp. 4489-4496, Sep. 2018.

2017

• B. Gallert, G. Choi, Kibok Lee, X. Jing, and Y. Son, “Restart Strategy for Synchronous Reluctance Machine Driving a High Inertia Load,” in Proc. IEEE Energy Convers. Congr. Expo., pp. 566-571, Oct. 2017.

2016

• Kibok Lee, S. M. Lukic, and S. Ahmed, “A universal restart strategy for induction machines,” in Proc. IEEE Energy Convers. Congr. Expo., pp. 1-6, Sep. 2016.

2015

• Kibok Lee, S. M. Lukic, and S. Ahmed, “A universal restart strategy for permanent magnet synchronous machines,” in Proc. IEEE Energy Convers. Congr. Expo., pp. 373-380, Sep. 2015.

2013

• Kibok Lee, Z. Pantic, and S. M. Lukic, “Field containment in dynamic wireless charging systems through source-reciever interaction,” in Proc. IEEE Energy Convers. Congr. Expo., pp. 3658-3663, Sep. 2013.

• Z. Pantic, Kibok Lee, and S. M. Lukic, “Inductive power transfer by means of multiple frequencies in the magnetic link,” in Proc. IEEE Energy Convers. Congr. Expo., pp. 2912-2919, Sep. 2013.