Empirical Modeling and Vision Based Control for Laser Aided Metal Deposition Process

Date

2001

Authors

Boddu, Mallikharjuna
Musti, Srinivas
Landers, Robert G.
Agarwai, Sanjeev
Liou, Frank W.

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Abstract

This paper gives a brief description of the laser aided manufacturing process. Empirical models describing the process dynamics of the laser aided metal deposition process is developed based on some of the models found in the literature. These models provide the basis for process planning and real time control. An embedded vision system, a two color temperature sensor, and a laser displacement sensor are incorporated for real time monitoring and control of the deposition process. The temperature profile of the surface and geometric characteristics of the melt pool are studied to ensure consistent operation of the process.

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