Real-time closed-loop control of molten pool transient area in direct laser deposition via PID algorithm with enhanced robustness
Bingjun Liu,
Weiwei Liu,
Yukun Xia
et al.
Abstract:In the direct laser deposition (DLD) process, it is common to employ constant processing parameters. The utilization of the constant parameters may lead to fluctuations in the dynamic evolution of the molten pool, primarily due to the intricate thermal effects involved, which will significantly impact the processing quality. To address this issue, this study proposed a closedloop control approach that effectively modifies processing parameters in real-time by targeting on the molten pool transient area. The mo… Show more
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