Analytical modeling of disk-type piezoelectric variable friction tactile displays. - Kwon Joong Son; Minkyu Kim; Keehoon Kim (AIM, 2013)

An empirical study of rendering sinusoidal textures on a ultrasonic variable-friction haptic surface. - Joohyun Kim; Kwon Joong Son; Keehoon Kim (URAI, 2015)