3DETICEK E, ZUPERL U. An Intelligent Electro-hydraulic Servo Drive Positioning [ J ]. Strojniski Vestnik-Joumal of Mechanical Engineering ,2011,57 ( 5 ) :394 - 404.
4MOHANTY A, YAO B. Indirect Adaptive Robust Control of Hydraulic Manipulators with Accurate Parameter Estimates [ J ]. IEEE Transactions on Control Systems Technology, 2011,19(3) :567 -575.