本文提出一种基于变频技术的液压容积调速系统，重点介绍系统结构、工作原理，并建立了数学模型进行分析和仿真研究。
The paper presents a hydraulic volumetric speed control system based on converter technique, laying stress on the introduction of the structure and working principles of the system.
本文提出了利用先进的交流变频调速技术改变油泵转速的容积调速新方法，较好地解决了传统液压调速系统存在的上述问题。
In this paper a new way through changing pump's rotate speed to change its output flux is introduced, which could solve the defects in the traditional hydraulic pressure servo control system.
应用推荐