2003 / Solid Freeform Fabrication Proceedings
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Author Robert G. Landers 1870 Miner Circle, 211 Mechanical Engineering Building Department of Mechanical and Aerospace Engineering and Engineering Mechanics University of Missouri - Rolla, , Missouri 65409 Phone:573-341-4586 Email:landersr@umr. edu
Source Solid Freeform Fabrication Proceedings, 2003, pp 246-253.
Abstract The laser metal deposition process is a rapid manufacturing operation capable of producing functional prototypes with complex geometries and thin sections. This process inherently contains significant uncertainties and, therefore, extensive experimentation must be performed to determine suitable process parameters. An alternative is to directly control the process on -line using feedback control methodologies. In this paper, a nonlinear control strategy based on feedback linearization is created to automatically regulate the bead morphology and melt pool temperature. Extensive simulation studies are conducted to validate the control strategy. (Auth abstract) [References: 11] XX
Solid Freeform Fabrication Proceedings can be obtained from: The Solid Freeform Fabrication Symposium
or contact:
The University of Texas at Austin
Laboratory for Freeform Fabrication / Texas Materials Institute
Mechanical Engineering Dept.
c/o The Solid Freeform Fabrication Symposium
MC C2200
Austin, TX 78712-1063 USA
512-471-3026; 512-471-7681 FX; Email: sffsymp@uts.cc.utexas.edu