A New Covariance-assignment State Estimator in the Presence of Intermittent Observation Losses. - Sangho Ko; Seungeun Kang; Jihyoung Cha (SENSORNETS, 2014)

Particle-Filter-Based Fault Diagnosis for the Startup Process of an Open-Cycle Liquid-Propellant Rocket Engine. - Jihyoung Cha; Sangho Ko; Soon-Young Park (Sensors, 2024)

Modeling and Simulation of Backlash Dynamics of Worm-Wheel System and Its Gap Size Estimation Using Kalman Filters. - Abera Tullu; Jihyoung Cha; Sangho Ko (IEEE Access, 2025)