In-process 4D reconstruction in robotic additive manufacturing

Sun Yeang Chew, Ehsan Asadi, Alejandro Vargas-Uscategui, Peter King, Subash Gautam, Alireza Bab-Hadiashar, Ivan Cole

Abstract: Highlights•Efficient and cost-effective sensor fusion for robotic additive manufacturing.•A real-time 4D reconstruction method for monitoring time-varying built parts.•Simple but effective use of geometrically constrained marker-based registration.•The first known use of markers and 4D reconstruction in actual robotic cold-spray additive manufacturing.•In-process scanning and measuring layer height and roughness without pausing the additive manufacturing process.