Different strategies for improving the energy efficiency of a power hydraulic system have been reviewed in this article. The energy-saving scheme is classified into three categories: System design, Improving components or product functions and Loss reduction. The sub-categories of energy-saving strategies are discussed briefly. Also, different energy-saving potentials of power hydraulic system are presented in tabular form for clear understanding on the chronological development toward energy-efficient fluid power system.

中文翻译：

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动力液压系统节能策略概述

本文回顾了提高动力液压系统能效的不同策略。节能方案分为系统设计、改进部件或产品功能和降低损耗三类。简要讨论了节能策略的子类别。此外，以表格形式展示了动力液压系统的不同节能潜力，以便清楚地了解向节能流体动力系统发展的时间顺序。