Publications

Journal articles, conference papers, and ongoing manuscripts in control, estimation, and autonomous systems.

Journal Papers

  1. [J1]

    Energy-Aware Consensus Control for Multi-Agent Systems with Guaranteed Battery Safety via H-Infinity LMI Design

    S. Hwang, G. Wu, M. Cho, and I. Hwang

    IEEE Control Systems Letters (L-CSS), vol. 10, pp. 2293-2298, Aug. 2026.

  2. [J2]

    Koopman-Based State-of-Charge Observer Design for Lithium-Ion Batteries: An LMI-Based Framework

    S. Hwang, G. Wu, M. Cho, and I. Hwang

    ASME Letters in Dynamic Systems and Control (ALDSC), Accepted in June 2026.

    Accepted Publication
  3. [J3]

    Scale-Aware Mosaic Augmentation and GSIoU-Based Varifocal Loss for Robust Object Detection Under Scale Imbalance

    G. Kim, J. Kim, S. Hwang, and H. S. Kim

    Electronics, vol. 15, no. 5, pp. 1075, Mar. 2026.

  4. [J4]

    LMI-Driven Reachability Analysis for Fuzzy Model-Based Nonlinear Systems Subject to Norm-Bounded Input Perturbations

    S. Hwang, M. Cho, and I. Hwang

    IEEE Control Systems Letters (L-CSS), vol. 10, pp. 55–60, Jan. 2026.

  5. [J5]

    Resilient Tracking Control for Leader-Follower Multi-Agent Systems Against Sinusoidal Sensor Attacks: An LMI-Based Framework

    S. Hwang, M. Cho, G. Wu, and I. Hwang

    IEEE Control Systems Letters (L-CSS), vol. 9, pp. 1123–1128, Jun. 2025.

  6. [J6]
  7. [J7]

    An LMI-based Risk Assessment of Leader-Follower Multi-Agent System under Stealthy Cyberattacks

    S. Hwang, M. Cho, S. Kim, and I. Hwang

    IEEE Control Systems Letters (L-CSS), vol. 7, pp. 2419–2424, Jun. 2023.

  8. [J8]

    Distributed Denial-of-Service Resilient Control for Urban Air Mobility Applications

    S. Clarke, S. Hwang, O. Thapliyal, and I. Hwang

    AIAA Journal of Aerospace Information Systems, vol. 20, no. 12, pp. 873–889, Sep. 2023.

  9. [J9]

    Interval Type-2 Fuzzy-model-based Fault-tolerant Sliding Mode Tracking Control of a Quadrotor UAV Under Actuator Saturation

    H. S. Kim, S. Hwang, and Y. Joo

    IET Control Theory and Applications, vol. 14, no. 20, pp. 3663–3675, Dec. 2020.

  10. [J10]
  11. [J11]

    Disturbance observer-based integral fuzzy sliding-mode control and its application to wind turbine system

    S. Hwang, J. B. Park, and Y. Joo

    IET Control Theory and Applications, vol. 13, no. 12, pp. 1891–1900, Jul. 2019.

  12. [J12]

    Observer-based H∞ fuzzy controller design of interval type-2 T-S fuzzy systems under imperfect premise matching

    S. Hwang, J. B. Park, and Y. Joo

    Transactions of the Korean Institute of Electrical Engineers, vol. 66, no. 11, pp. 1620–1627, Nov. 2017.

Conference Papers & Presentations

  1. [C1]

    Deep Koopman-Style Framework for Cross-Temperature State-of-Charge Estimation of Lithium-Ion Batteries

    G. Wu, S. Hwang, Z. Chen, and I. Hwang

    2026 Modeling, Estimation and Control Conference (MECC), Accepted in June 2026.

    Accepted
  2. [C2]

    LMI-Driven Tracking Control of Fuzzy Nonlinear Cyber-Physical Systems: Application to Quadrotor UAVs in Urban-Like Environment

    S. Hwang, M. Cho, and I. Hwang

    AIAA SciTech 2026: Intelligent Systems, Orlando, FL, Jan. 2026.

  3. [C3]

    C-Rate Constrained Path Planning for Battery Pack Health Management in Long-Term eVTOL Operations

    M. Cho, S. Hwang, G. Wu, V. Vishnu, S. Byeon, and I. Hwang

    AIAA SciTech 2026: Electrified Aircraft Technology, Orlando, FL, Jan. 2026.

  4. [C4]

    Resilient Tracking Control for Leader-Follower Multi-Agent Systems Against Sinusoidal Sensor Attacks: An LMI-Based Framework

    S. Hwang, M. Cho, G. Wu, and I. Hwang

    64th IEEE Conference on Decision and Control (CDC), Rio de Janeiro, Brazil, Dec. 2025.

  5. [C5]

    Safety-Critical Control for Nonlinear Affine System with Robustness and Attack Recovery

    S. Kim, M. Cho, S. Hwang, and I. Hwang

    AIAA SciTech 2025: Cybersecurity, Orlando, FL, Jan. 2025.

  6. [C6]

    RESiLIENT: A Neural-Symbolic Resilient Threat-Response Framework for Large-Scale Hierarchical Swarms

    Y. Guo, K. A. Pant, S. Hwang, V. Vijay, J. M. Goppert, and I. Hwang

    GENZERO Workshop, Abu Dhabi, UAE, Nov. 2024.

  7. [C7]

    Risk Assessment of Multi-Agent System Under Denial-of-Service Cyberattacks Using Reachable Set Synthesis

    M. Cho, S. Hwang, and I. Hwang

    IEEE American Control Conference (ACC), Toronto, Canada, Jul. 2024.

  8. [C8]

    An LMI-based Risk Assessment of Leader-Follower Multi-Agent System under Stealthy Cyberattacks

    S. Hwang, M. Cho, S. Kim, and I. Hwang

    62nd IEEE Conference on Decision and Control (CDC), Singapore, Dec. 2023.

  9. [C9]

    Attack-Resilient Distributed Optimization-based Control of Multi-Agent Systems with Dual Interaction Networks

    S. G. Clarke, O. Thapliyal, S. Hwang, and I. Hwang

    AIAA SciTech 2022: Intelligent Systems, San Diego, CA, Jan. 2022.

  10. [C10]

    Disturbance Observer-Based H∞ Control of the T-S Fuzzy Model Under Imperfect Premise Matching

    S. Hwang, J. B. Park, and Y. Joo

    IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM), Auckland, New Zealand, Jul. 2018.

Book Chapters

  1. [B1]

    Proactive Risk Assessment of Multi-Vehicle Transportation Systems via Reachability Analysis against Stealthy Attacks

    S. Hwang, M. Cho, and I. Hwang

    in Advances in Transportation Cybersecurity and Resilience, World Scientific Publishing.

Work in Progress

  1. [U1]

    Cooperative Constrained Control of Multi-Agent Systems with Rate-Limited Actuators: An LMI-Based Approach

    S. Hwang, M. Cho, G. Wu, and I. Hwang

    In preparation
  2. [U2]

    Safe Battery Envelope Protection for eVTOL Aircraft via Koopman-Based Control Barrier Functions

    M. Cho, S. Hwang, G. Wu, Z. Chen, and I. Hwang

    AIAA SciTech 2026: Intelligent Systems, Orlando, FL, 2027.