In-situ porosity monitoring in laser powder bed fusion through acoustic signal and interpretable multi-sensor fusion
Zhiwen Li, Zhifen Zhang, Jie Wang, Zhengyao Du, Shuai Zhang, Ke Huang, Qi Zhang, Yu Su, Guangrui Wen, Xuefeng Chen
Topics & Concepts
FusionPorosityInterpretabilitySIGNAL (programming language)AcousticsSignal processingMaterials scienceComputer scienceVisualizationSensor fusionArtificial intelligencePattern recognition (psychology)Quantization (signal processing)Artificial neural networkLaserTime–frequency analysisFeature (linguistics)Computer visionLearning vector quantizationTexture (cosmology)Biological systemAdditive Manufacturing Materials and ProcessesWelding Techniques and Residual StressesLaser-induced spectroscopy and plasma