1. Design of discrete-time adaptive sliding mode control;Bartolini,1992
2. Robust discrete quasi-sliding mode tracking controller;Chan;Automatica,1995
3. On discrete-time sliding modes;Drakunov,1989
4. Sliding mode control of a discrete time system;Furuta;Syst. Control Lett.,1990
5. VSS-type self-tuning control—β equivalent control approach;Furuta,1993