Closed-loop feedback control of product properties in flexible metal forming processes with mobile tools

被引：76

作者：

Allwood, Julian M. ^{[1
]}

Music, Omer ^{[1
]}

Raithathna, Ankor ^{[2
]}

Duncan, Stephen R. ^{[2
]}

机构：

[1] Univ Cambridge, Dept Engn, Cambridge CB2 1RX, England

[2] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England

来源：

CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2009年 / 58卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

Feedback; Control; Forming;

D O I：

10.1016/j.cirp.2009.03.065

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The accuracy of flexible forming processes with mobile tools is generally insufficient for industrial needs. Modern stereovision cameras should allow geometric feedback to improve accuracy, but to date it has been assumed that on-line control is in practice impossible because non-linear process models are too slow. This paper demonstrates for the first time that an appropriate process model can be formed from a set of spatial impulse responses found by linearisation around a pre-planned tool path. This allows online feedback control of part geometry. A general formulation is presented, and is evaluated through application to an axisymmetric incremental sheet forming process. (C) 2009 CIRP.

引用

页码：287 / 290

页数：4

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