Applied state space feedback control of a deep drawing process

被引：0
|
作者：
Tommerup, Soren
Endelt, Benny
机构：
来源：
MATERIAL FORMING ESAFORM 2014 | 2014年 / 611-612卷
关键词：
Deep drawing; Feedback control; variable blank holder force; active shimming; BLANK-HOLDER FORCE; SYSTEM;
D O I：
10.4028/www.scientific.net/KEM.611-612.1023
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents results from application of discrete state space based feedback control of the blank holder force (BHF) magnitude and distribution in the drawing of a rectangular workpiece. By means of monitoring the flange draw-in during the punch stroke, the controller makes continuous adjustments to the BHF magnitude and distribution by individually controlling the pressure of a hydraulic fluid in a number of cavities embedded in the blank holder plate. The adjustments are conducted online during the punch stroke to minimize the deviation of the achieved flange draw-in from a predetermined reference.
引用
收藏
页码：1023 / 1030
页数：8
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