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  1. No Access

    Article

    Characteristics of unsteady lubrication film in metal-forming process with dynamic roll gap

    Based on the theory of unsteady hydrodynamic lubrication and relevant mathematic and physical methods, a basic model was developed to analyze the unsteady lubrication film thickness, pressure stress and fricti...

    Qiao-yi Wang 王桥医, Ze Zhang 张泽, Hui-qin Chen 陈慧勤… in Journal of Central South University (2014)

  2. No Access

    Article

    Modeling and control for hydraulic transmission of unmanned ground vehicle

    Variable pump driving variable motor (VPDVM) is the future development trend of the hydraulic transmission of an unmanned ground vehicle (UGV). VPDVM is a dual-input single-output nonlinear system with couplin...

    Yan Wang 王岩, Ze Zhang 张泽, Xu-qing Qin 秦绪情 in Journal of Central South University (2014)