6Knohl T, Unbehauen H. Adaptive position control of electrohydraulic servo systems using ANN [ J ]. Mechatronics, 2000, (10) :127 -43.
7Roger Y, Ph.D. CFD simulations of oil flow and flow in- duced forces inside hydraulic valves. National Fluid Pow- er Association and Society of Automotive Engineers, 2002. 201-207.
8Finzel R, Helduser S. New electro-hydraulic control sys- tems for mobile machinery. In: Proceedings of the Fluid Power and Motion Control FPMC, Bath, Britain, 2008. 309-321.
10Zheng J,Zhao S,Wei S.Application of Self-tuning Fuzzy PIDController for a SRM Direct Drive Volume Control HydraulicPress[J].Control Engineering Practice,2009,17(12):1398-1404.