Sensing, modeling and control for laser-based additive manufacturing

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Control of melt pool temperature and deposition height during direct metal deposition process (2012, methodology): “These controllers are mostly single-input single-output, including a simple on–off controller [14, 15], simple proportional-integral-derivative (PID) controllers [4, 11, 13], a fuzzy logic-based controller [24], a feed forward PID controller [18], and a sliding mode controller [9, 17].”
Measurement Science Needs for Real-time Control of Additive Manufacturing Powder Bed Fusion Processes (2015, methodology): “results from the finite element thermal analysis were intended to provide guidance for the process parameter selection and an information base for further residual stress analysis [22][23].”
Control of shape and performance for direct laser fabrication of precision large-scale metal parts with 316L Stainless Steel (2013, methodology): “Direct laser fabrication (DLF), a rising manufacturing technology developed from laser cladding and rapid prototyping together, has been attracting much intensive research in recent years, since it can directly build full-density and high-performance metal parts from a CAD solid model without using ”
Research on the processing experiments of laser metal deposition shaping (2007, unknown): “As a result, successive layers are then stacked to produce the entire component volume of fused metal representing the desired CAD model [4,5], thereby building a three-dimensional component additively.”