A new velocity observer for a class of double integrator dynamics. - Hyo-Sung Ahn; Young-Cheol Choi; Kwang-Kyo Oh (ISIC, 2014)

A fusion of a range sensor and IMU using EM-particle filter for measuring distance between quadrotors. - Young-Cheol Choi; Hyo-Sung Ahn (ICCAIS, 2014)

Bio-insect and artificial robot interaction using cooperative reinforcement learning. - Ji-Hwan Son; Young-Cheol Choi; Hyo-Sung Ahn (Appl. Soft Comput., 2014)