An approach to discrete-time sliding mode control. - Chung Choo Chung; Choong Woo Lee; Seung-Hi Lee (CCA, 2004)

Active high frequency vibration rejection in hard disk drives. - Seung-Hi Lee; Chung Choo Chung; Choong Woo Lee (ACC, 2004)

Design of Tracking Controller for Holographic Digital Data Storage. - Choong Woo Lee; Bong Sik Kwak; Chung Choo Chung; Masayoshi Tomizuka (CCA, 2007)

Multirate digital control system design using lifting technique. - Dong Seul Jeong; Chung Choo Chung; Choong Woo Lee (CDC, 2007)