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The hydraulic drive legged robot with high performance is introduced in this paper. When the robotic foot contacts the ground, the collision and impact can easily take place. Therefore, the robotic leg joint should possess certain compliance. In order to enhance the compliance of robotic leg joint, the paper researches the position-based impedance control method. Besides, the analysis for the composition...
The poor energy efficiency is a big issue in the conventional electro-hydraulic proportional valve controlled fast forging system due to the huge throttling losses and overflow losses. Aimed to address this problem, a new compound control strategy of displacement and dual-pressure was proposed in this study. Firstly, the mathematic model of the main components was built, and the compound control strategy...
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