2Fung RF, Wang YC, Yang RT, etal. A variablestructure control with proportional and integral comperisations for electro--hydraulic position servo control system[J].Mechatronics,1997,7 (1): 67-81.
3Renn JC.A new approach to synthesize the feedback gain of state-space controller for a servo hydraulic position system[J]. Control Systems Technology, 1997, 5(1):51-59.
4Chen HM,Su JP,Renn JC.A novel sliding mode control of an electro-hydraulic position servo system[J].IEICE Trans Fundam Electron, 2002, 85(8): 1928-1936.
5Utkin VI.Variable structure systems with sliding modes [J]. IEEE Trans Automatatic Control, 1977, 22(2):212-222.
6Chem TL,Wu YC.Design of integral variable structure controller and application to electro-hydraulic velocity servo-systems[J]. IEEE Proceedings D,1991, 138(5): 439-444.
7Fung RF, Yang RT. Application of VSC in position control of a nonlinear electro-hydraulic servo--system[J].Computer Structure,1998, 66(4): 365-372.
8Hwang CL. Sliding mode control using time-varying switching gain and boundary layer for electro-hydraulic position and differential pressure control[J].Proceedings IEE Control Theory Applications,1996, 143(4):325-332.
