Output Feedback Direct Adaptive Controller for a SMA Actuator With a Kalman Filter. - Nguyen Trong Tai; Kyoung Kwan Ahn (IEEE Trans. Control. Syst. Technol., 2012)

Adaptive Integral-Type Neural Sliding Mode Control for Pneumatic Muscle Actuator. - Dang Xuan Ba; Kyoung Kwan Ahn; Nguyen Trong Tai (Int. J. Autom. Technol., 2014)