Kyunghwan Choi
Kyunghwan Choi, Ph.D.
최경환
Principal Investigator
kh.choi@kaist.ac.kr
0000-0002-4832-1597
Google Scholar
ResearchGate
GitHub

Description

Kyunghwan Choi is an Assistant Professor at the Cho Chun Shik Graduate School of Mobility at the KAIST and Director of the Mobility Intelligence and Control Laboratory (MIC Lab).

His research focuses on optimal and learning-based control for connected, automated, and electrified vehicles (CAEVs).

He received his B.S., M.S., and Ph.D. degrees in Mechanical Engineering from KAIST. He held positions at KAIST and GIST before rejoining KAIST in 2025 as an Assistant Professor.

Professional Experience

  • May 2025 - Present, Assistant Professor, CCS Graduate School of Mobility, KAIST
  • Sep 2022 - May 2025, Adjunct Professor, AI Graduate School, GIST
  • Mar 2022 - May 2025, Assistant Professor, Department of Mechanical and Robotics Engineering, GIST
  • Jan 2021 - Feb 2022, Research Assistant Professor, Research Center for Eco-Friendly & Smart Vehicles, KAIST
  • Mar 2020 - Jan 2021, Postdoctoral Fellow, Research Center for Eco-Friendly & Smart Vehicles, KAIST


Education

  • Ph.D., Mechanical Engineering, KAIST, 2020 (Advisor: Prof. Kyung-soo Kim)
  • M.S., Mechanical Engineering, KAIST, 2016 (Advisor: Prof. Kyung-soo Kim)
  • B.S., Mechanical Engineering, KAIST, 2014 (Graduated magna cum laude)


Hands-on Experience with Mobility Systems

  • Experience in developing various types of mobility systems through active involvement in multiple R&D projects
    • Key Figure
    • Project 1: 자율주행 전기차용 고성능 조향제어기술 개발 (19.1.~21.12, 한국자동차연구원)
    • Project 2: 전기차 연관산업 육성기반 조성사업 (19.1.~21.12, 제주특별자치도)
    • Project 3: 인프라 센싱 기반 자율주행 전기자동차 개발 연구 (19.8.~21.12., KAIST)
    • Project 4: 자율주행 기능지원을 위한 소프트웨어 오픈 API를 가지는 전기차용 샤시플랫폼 개발 (22.6.~23.5., 한국자동차연구원)
    • Project 5: 자율주행을 위한 PBV용 조향제어기술 연구 (23.8.~23.11., 한국전자통신연구원)

  • Key contributions and achievements in Project 1
    • Key Figure Key Figure

    International Journal Papers
    1. K. Choi, Y. Kim, S.-K. Kim*, and K.-S. Kim*, “Computationally Efficient Model Predictive Torque Control of Permanent Magnet Synchronous Machines Using Numerical Techniques,” IEEE Transactions on Control Systems Technology, vol. 30, no. 4, pp. 1774-1781, 2022.
    2. K. Choi, J. Byun, S. Lee, and I. G. Jang*, “Adaptive Equivalent Consumption Minimization Strategy (A-ECMS) for the HEVs with a Near-optimal Equivalent Factor Considering Driving Conditions,” IEEE Transactions on Vehicular Technology, vol. 71, no. 3, pp. 2538-2549, 2022.
    3. J. Byun and K. Choi*, “Effects Analysis of Light-duty Diesel Truck Hybrid Conversion Depending on Driving Style,” Transportation Research Part D: Transport and Environment, vol. 97, pp. 102958, 2021.
    4. K. Choi, Y. Kim, K.-S. Kim*, and S.-K. Kim*, “Real-time Optimal Torque Control of Interior Permanent Magnet Synchronous Motors Based on a Numerical Optimization Technique,” IEEE Transactions on Control Systems Technology, vol. 29, no. 4, pp. 1815-1822, 2021.
    5. K. Choi, Y. Kim, S.-K. Kim*, and K.-S. Kim*, “Current and Position Sensor Fault Diagnosis Algorithm for PMSM Drives Based on Robust State Observer,” IEEE Transactions on Industrial Electronics, vol. 68, no. 6, pp. 5227-5236, 2021.
    6. K. Choi, Y. Kim, S.-K. Kim*, and K.-S. Kim, “Auto-calibration of Position Offset for PMSM Drives with Uncertain Parameters,” Electronics Letters, vol. 56, no. 20, pp. 1048-1051, 2020.
    7. K. Choi, D. S. Kim, and S.-K. Kim*, “Disturbance Observer-based Offset-free Global Tracking Control for Input-constrained LTI Systems with DC/DC Buck Converter Applications,” Energies, vol. 13, no. 16, p. 4079, 2020.
    8. K. Choi, Y. Kim, K.-S. Kim*, and S.-K. Kim*, “Output Voltage Tracking Controller Embedding Auto-tuning Algorithm for DC/DC Boost Converters,” IET Power Electronics, vol. 12, no. 14, pp. 3767-3773, 2019.
    9. K. Choi, K.-S. Kim*, and S.-K. Kim*, “Proportional-type Sensor Fault Diagnosis Algorithm for DC/DC Boost Converters Based on Disturbance Observer,” Energies, vol. 12, no. 8, p. 1412, 2019.
    10. K. Choi, Y. Kim, K.-S. Kim*, and S.-K. Kim*, “Using the Stator Current Ripple Model for Real-time Estimation of Full Parameters of a Permanent Magnet Synchronous Motor,” IEEE Access, vol. 7, pp. 33369-33379, 2019.

    International Patents - Registered

    1. K.-S. Kim, K. Choi, and I. G. Jang, “Method and apparatus for controlling power of hybrid vehicle considering driving environment,” U.S. Patent 12,097,840, Sep. 24, 2024.
    2. K.-S. Kim, K. Choi, and S.-K. Kim, “Method and apparatus for real-time estimation of full parameters of permanent magnet synchronous motor,” U.S. Patent 11,614,488, Mar. 28, 2023.
    3. I. G. Jang, D. Kum, K.-S. Kim, K. Jang, C. Lee, J. H. Kim, K. Choi, and M. Kim, “Apparatus and method for operating accessories of vehicle during engine stop using one-way clutch pulley,” U.S. Patent 11,607,944, Mar. 21, 2023.

    International Patents - Pending

    1. K.-S. Kim, K. Choi, and I. G. Jang, “Method and apparatus for controlling power of hybrid vehicle considering transient characteristics,” U.S. Patent Application 18/648,697, Apr. 29, 2024, pending.

    Domestic Patents - Registered

    1. 김경수, 최경환, 장인권, “하이브리드 차량의 과도특성을 고려한 동력제어 방법 및 장치,” 대한민국 특허 10-2701529, 2024.8.28.
    2. 김경수, 최경환, 장인권, “하이브리드 차량의 주행환경을 고려한 동력제어 방법 및 장치,” 대한민국 특허 10-2508409, 2023.3.6.
    3. 김경수, 최경환, 김석균, “영구자석동기모터 전체 파라미터의 실시간 추정 방법 및 장치,” 대한민국 특허 10-2437244, 2022.8.24.
    4. 장인권, 금동석, 김경수, 장기태, 이창우, 김종호, 최경환, 김민기, “원웨이 클러치 풀리를 이용한 엔진 정지 시 차량 부가장치의 구동 장치 및 방법,” 대한민국 특허 10-2053538, 2019.12.2.
    5. 김경수, 임미림, 최경환, 금동석, “유성기어를 이용한 전기화 수동변속기 기반 하이브리드 파워트레인 제어 방법,” 대한민국 특허 10-2044210, 2019.11.7.