Self-contained electro-hydraulic cylinders have the potential to replace both conventional
hydraulic systems and the electro-mechanical counterparts enhancing energy efficiency …

Multi-joint heavy-duty manipulators, such as working devices of hydraulic excavators, are
mostly driven by hydraulic cylinders. Poor energy efficiency of the hydraulic system results in …

与阀控系统相比, 泵控闭式系统具有无节流损失, 驱动与动势能回收一体化的优点,
是电液控制技术的发展方向, 但对于目前广泛应用的单出杆液压缸, 采用传统的进出口流量对称 …

To address the flow imbalance rapidly of the asymmetric Electro-Hydrostatic Actuator (EHA),
this paper presents a novel architecture of asymmetric EHA with the Digital Distribution (EHA …

阀控伺服系统动态响应快, 控制精度高, 但始终存在大的节流损失. 泵控差动缸系统消除了节流
损失, 需要解决差动缸面积差造成的不对称流量问题. 其中, 单泵控差动缸系统, 结构简单 …

Pump-controlled systems can eliminate throttling losses and improve the work efficiency of
mobile hydraulic system. But one difficult problem for that is the differential volumetric flow …

Hydraulic systems are widely used in construction machinery and equipment. However, the
energy efficiency of hydraulic system is low. In many cases, hydraulic systems output energy …

Self-contained electro-hydraulic cylinders that can be powered just by an electrical wire will
be popular in the coming years. Combining electrical-drives and hydraulic cylin-ders …

The variable displacement pump control system has greater energy-saving advantages and
application prospects than the valve control system. However, the variable displacement …

A new kind of volume control hydraulic press that combines the advantages of both
hydraulic and SRM (switched reluctance motor) driving technology is developed …