AASL

Research

My research interests include, but not are limited to :

Missile & UAV Guidance

• Nonlinear guidance laws considering various constraints (Impact Time & Impact Angle)
• Three-dimensional guidance laws
• Standoff tracking guidance laws of multiple UAVs
• Cooperative guidance laws

Nonlinear Control Systems

• Attitude control of spacecraft
• Affine/nonaffine control of nonlinear underactuated/overactuated systems

State Estimation & Filtering

• Kalman filtering
• Sensor fusion techniques

Ongoing Projects

A Study on GNSS Signal Quality Evaluation Method and Acceleration Measurement Validation (Fitogether), PI, (2025.06-2026.05)

• A quantitative method to evaluate GNSS signal quality under stadium environments
• Study on acceleration measurement validation

Space-K BIG Project - Space Transportation Mission Center (KASA), Co-I, (2025.06-2029.12)

• Study on GNC of reusable space launch vehicles
• Aerodynamic analysis and guidance/control system integration of reusable space launch vehicles

High-Precision Robust Control for 6G Communication Spacecraft in Dynamic Environments (KAI), Co-I, (2025.12-2028.11)

• Study on robust and adaptive attitude controller for spacecraft
• Study on AI-based attitude controller for spacecraft

Completed Projects

The Study on ReUSV Multi-Purpose Trajectory Design and GNC (ReUSV Research Center, KRIT), Co-I, (2024.03-2025.10)

• Trajectory design of ReUSV (Reusable Unmanned Space Vehicles)
• Study on GNC of ReUSV

The Performance Test and Comparison Test of OHCOACH Cell-X and Cell-Y (Fitogether), PI, (2023.10-2023.12)

• Performance analysis of wearable EPTS
• Study on the validation of acceleration measurement methodology

The Filter Design of GPS/IMU Integration for OHCOACH Cells (Fitogether), PI, (2022.04-2022.11)

• Design of integration filters using GPS/INS data
• Design of real-time GPS/INS integration filters of EPTS for football players

Management System Analysis and Planning Research for the Drone Automatic Operation (FRI, 국립소방연구원), Co-I, (2020.07-2020.11)

• Analysis on elementary technologies of autonomous drone takeoff and landing at mission area
• Analysis on elementary technologies of autonomous mission operations
• Design of a mission based cyclic autonomous operation system

Study on Attitude Control for Cubesats using Micro Electric Thrusters (NRF), PI, (2019.09-2022.02)

• Design of attitude controllers for cubesats
• Study on electric thruster requirements for cubesats