Dynamic Characteristics of 2D Electro-hydraulic Proportional Directional Valves with a Ball-screw Type Axial Compression-torsion Coupling
ZUO Qiang1;LU Qianqian1,2;LI Sheng2;XING Tong2;RUAN Jian2
China Mechanical Engineering . 2017, (17): 2049 -2055 .