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Development of energy saving hybrid excavator using hybrid actuator

机译：使用混合执行器的节能混合挖掘机的开发

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摘要

Nowadays, the demand for energy saving and green emission of construction machinery, especially hydraulic excavators, has been highly increased. As a result, hybrid system, which are promoted and successfully applied to automobile industry, is recently introduced to hydraulic excavators. The aim of this paper is to propose a new energy saving electro-hydraulic circuit design for the generation of potential energy of hybrid excavators. In this system, a power storage component, electrical battery, is combined with a hybrid electro-hydraulic actuator using an electric motor, and an electrical generator as energy convention component. In addition, a control strategy, which is used to control the hybrid excavator to follow commands given by a driver and to optimize the energy saving process of the generator and battery, is also proposed in this paper. The effectiveness of the energy saving hybrid excavator is clearly proven by a series of experiments on a test rig including a bucket cylinder and analyses.
机译：如今，对建筑机械特别是液压挖掘机的节能和绿色排放的需求已大大增加。结果，近来已被推广并成功应用于汽车工业的混合动力系统被引入液压挖掘机。本文的目的是为混合动力挖掘机的势能产生提出一种新的节能电液电路设计。在该系统中，蓄电组件，电池与使用电动马达和发电机作为能量约定组件的混合电动液压执行器结合在一起。此外，本文还提出了一种控制策略，该策略用于控制混合动力挖掘机遵循驾驶员的命令，并优化发电机和电池的节能过程。通过在包括铲斗油缸和分析在内的试验台上进行的一系列实验，清楚地证明了这种节能混合动力挖掘机的有效性。

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