Reliable Additive Manufacturing Last updated on Feb 8, 2022 research Go to Project Site Towards a zero-waste agile manufacturing of quality-assured, short-run products. manufacturing additive manufacturing 3D printing research Xu Chen Related Robotic Inspection of Complex Metalic Parts Sustainable Additive Manufacturing Manufacturing Robotics Training Resources in Northwest U.S. Journey to controls New Book! Publications An In-situ Imaging and Data Analytics for Selective Laser Sintering in Presence of System Degradation Like other consumer products such as automobiles, selective laser sintering (SLS) additive manufacturing (AM) systems age in they … Tianyu Jiang, Xu Chen Cite Project Project Local Loop Shaping for Rejecting Band-Limited Disturbances in Nonminimum-phase Systems with Application to Laser Beam Steering for Additive Manufacturing Closed-loop disturbance rejection without sacrificing overall system performance is a fundamental issue in a wide range of applications … Tianyu Jiang, Hui Xiao, Jiong Tang, Liting Sun, Xu Chen Cite Project Project DOI Closed-loop High-fidelity Simulation Integrating Finite Element Modeling with Feedback Controls in Additive Manufacturing A high-precision additive manufacturing (AM) process, powder bed fusion (PBF) has enabled unmatched agile manufacturing of a wide range … Dan Wang, Xu Chen Cite Project DOI New Hammerstein Modeling and Analysis for Controlling Melt Pool Width in Powder Bed Fusion Additive Manufacturing Dan Wang, Xinyu Zhao, Xu Chen Cite Project Closed-loop Simulation Integrating Finite Element Modeling with Feedback Controls in Powder Bed Fusion Additive Manufacturing Dan Wang, Xu Chen Cite Project Control-Oriented Modeling and Repetitive Control of In-Layer and Cross-Layer Thermal Interactions in Selective Laser Sintering Dan Wang, Tianyu Jiang, Xu Chen Cite Project New Hammerstein Modeling and Analysis for Controlling Melt Pool Width in Powder Bed Fusion Additive Manufacturing Dan Wang, Xinyu Zhao, Xu Chen Cite Project Closed-loop High-fidelity Simulation Integrating Finite Element Modeling with Feedback Controls in Additive Manufacturing Dan Wang, Xu Chen Cite Project Control-Oriented Modeling and Repetitive Control of In-Layer and Cross-Layer Thermal Interactions in Selective Laser Sintering Dan Wang, Tianyu Jiang, Xu Chen Cite Project A Multirate Fractional-Order Repetitive Control for Laser-Aided Additive Manufacturing This paper discusses fractional-order repetitive control (RC) to advance the quality of periodic energy deposition in laser-based … Dan Wang, Xu Chen PDF Project Project DOI Synthesis and Analysis of Multirate Repetitive Control for Fractional-order Periodic Disturbance Rejection in Powder Bed Fusion This paper studies control approaches to advance the quality of repetitive energy deposition in powder bed fusion (PBF) additive … Dan Wang, Xu Chen Cite Project Project DOI A Multirate Repetitive Control for Fractional-Order Servos in Laser-Based Additive Manufacturing This paper studies repetitive control (RC) algorithms to advance the quality of repetitive energy deposition in laser-based additive … Dan Wang, Xu Chen Cite Project Project Project A Multirate Fractional-Order Repetitive Control for Laser-Aided Additive Manufacturing This paper discusses fractional-order repetitive control (RC) to advance the quality of periodic energy deposition in laser-based … Dan Wang, Xu Chen Cite Project Project Project DOI Realtime Control-Oriented Modeling and Disturbance Parameterization for Smart and Reliable Powder Bed Fusion Additive Manufacturing The vision of sustainable mass customization calls for additive manufacturing (AM) processes that are resilient to process variations … Xu Chen, Tianyu Jiang, Dan Wang, Hui Xiao Cite Project Rejecting Fast Narrow-Band Disturbances With Slow Sensor Feedback for Quality Beam Steering in Selective Laser Sintering A fundamental problem arises in feedback control when the system is subject to fast disturbances but can only get slowly updated sensor … Hui Xiao, Tianyu Jiang, Xu Chen Cite Project Project Project DOI An Inverse-Free Disturbance Observer for Adaptive Narrow-Band Disturbance Rejection With Application to Selective Laser Sintering Selective laser sintering (SLS) is an additive manufactur- ing (AM) process that builds 3-dimensional (3D) parts by scan- ning a laser … Tianyu Jiang, Hui Xiao, Xu Chen Cite Project Project