Direct digital control of 2D directional valve

被引：0

作者：

Ruan, J ^{[1
]}

Burton, R ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Hangzhou, Peoples R China

来源：

SIXTH SCANDINAVIAN INTERNATIONAL CONFERENCE ON FLUID POWER, VOLS 1 AND 2 | 1999年

关键词：

direct digital control; directional valve; two motions of spool; servo screw;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A new approach to the direct digital control of a 2D directional valve is presented. This valve has actions which are derived from two motions of a single spool: rotation and sliding. In this way the accuracy and the dynamic response of the valve are simultaneously maintained at a fairly high level. The direct digital control of the 2D directional valve is physically realized using a special tracking algorithm employing a stepping mode and a PWM mode. The dynamic characteristics of this valve under direct digital control are investigated in this paper. When certain conditions are satisfied, the operation of the valve resembles digital control of a proportional or servo valve with A/D conversion and zero-order keeper.

引用

页码：1203 / 1215

页数：13

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