TY  - SER
AU  - Qian, D. W.
AU  - liu, X. J.
AU  - Yi, J. Q.
TI  - Robust Sliding Mode Control  for  a Class of Underactuated Systems with  Mismatched Uncertainties
KW  - Robust Control
KW  - Sliding Mode
KW  - Underactuated System
ER  -