锻压技术

径向柱塞泵瞬时理论流量仿真研究

英文标题：Simulation research on theoretical instantaneous flow rate of the radial piston pump

作者：艾超孔祥东刘胜凯王光平

单位：燕山大学

分类号：TH137.5

出版年,卷(期):页码：2014,39(3):94-98

摘要：

以RX系列径向柱塞泵为研究对象，建立了在定转子偏心量恒定和变量过程中瞬时理论流量的数学模型。通过Matlab/Simulink建模仿真，研究了柱塞数、定子半径等结构参数对瞬时流量的影响规律，并分析了该泵在典型变量形式下的瞬时流量特性，进而指出变量过程中流量死区的存在。分析结果表明，采用径向柱塞泵作主控元件的泵控系统，可以实现系统的高精度速度和位置控制。

Taking the proportionally controlled RX series radial piston pump as an investigation objective, the mathematical model of theoretical instantaneous flow rate based on constant and variable eccentricity was established. Through MATLAB-Simulink modeling and simulation analysis, the influence rule of piston numbers, stator radius and other structural parameters on instantaneous flow rate was developed and the instantaneous flow rate characteristics under typical variable form were analyzed. Then, the existence of flow dead zone in process of displacement change was revealed. The study results show that high precision speed and position control is realized by using the system which adopts proportional variable radial piston pump as the main control component.

基金项目：

高等学校博士学科点专项科研基金资助项目(20101333110001)；国家自然科学基金资助项目（51375422）；秦皇岛市科学技术研究与发展计划项目（201302A020）

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