REAL TIME IMPLEMENTATION OF GENERALIZED PREDICTIVE CONTROL ALGORITHM FOR THE CONTROL OF DIRECT METAL DEPOSITION (DMD) PROCESS
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app pub date -
Nov 16, 2007
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Nov 16, 2006
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Abstract
A linear model based generalized predictive control system controls the molten pool temperature during a Direct Metal Deposition (DMD) process. The molten pool temperature is monitored by a two-color pyrometer. A single-input single-output linear system that describes the dynamics between the molten pool temperature and the laser power is identified and validated. The incremental generalized predictive control algorithm with Kalman filter estimation is used to control the molten pool temperature.
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