Validating Feedback Control to Meet Stiffness Requirements in Additive Manufacturing

被引：10
|
作者：
Garanger, Kevin [1 ]
Khamvilai, Thanakorn [1 ]
Feron, Eric [1 ]
机构：
[1] Georgia Inst Technol, Decis & Control Lab, Atlanta, GA 30332 USA
来源：
IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY | 2020年 / 28卷 / 05期
关键词：
Process control; Feedback control; Structural beams; Microstructure; Atmospheric modeling; Three-dimensional printing; Closed loop systems; intelligent manufacturing systems; manufacturing automation; manufacturing processes; polymers; shape control; three-dimensional printing; DEPOSITION;
D O I：
10.1109/TCST.2020.2998062
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This brief discusses the possibility of making an object that precisely meets global structural requirements using additive manufacturing and feedback control. Experimental validation is presented by printing a cantilever beam with a prescribed stiffness requirement. The printing process is formalized as a model-based finite-horizon discrete control problem, where the control variables are the widths of the successive layers. Sensing is performed by making in situ intermediate stiffness measurements on the partially built part. The hypothesis that feedback control is effective in enabling the 3-D-printed beam to meet precise stiffness requirements is validated experimentally.
引用
收藏
页码：2053 / 2060
页数：8
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