1. Direct Drive Manipulator R&D Package User Guide, Integrated Motions Incorporated, 704 Gillman Street, Berkeley, CA 94710.
2. On discrete-time sliding modes;Drakunov,1989
3. Robust output tracking control of nonlinear MIMO systems via sliding mode technique;Elmali;Automatica,1992
4. An experimental evaluation of chattering free sliding modes as applied to the control of a direct drive manipulator;Erbatur,1995
5. Continuous sliding mode control;Fengxi;International Journal of Control,1992