1Nowitzki,Werner.Manipulators with mass division increase throughput and save energy in high-precision forsing[J].MPT Metallurgical Plant and Technology International,2008(5):46-48.
9Fung R F, Yang R T. Application of VSC in position control of a nonlinear electrohydraulic servo system [ J ]. Computers & Struc- tures, 1998:66(4) :365 -372.
10Namvar M, Aghili F. A combined scheme for identification and ro- bust torque control of hydraulic actuators [J]. Journal of dynamic systems, measurement, and control, 2003 : 125 : 595 -606.