Reliable Additive Manufacturing

Last updated on Feb 8, 2022 research
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Towards a zero-waste agile manufacturing of quality-assured, short-run products.

manufacturing additive manufacturing 3D printing research
Xu Chen
Xu Chen

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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 …
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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 …
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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 …
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New Hammerstein Modeling and Analysis for Controlling Melt Pool Width in Powder Bed Fusion Additive Manufacturing
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Closed-loop Simulation Integrating Finite Element Modeling with Feedback Controls in Powder Bed Fusion Additive Manufacturing
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Control-Oriented Modeling and Repetitive Control of In-Layer and Cross-Layer Thermal Interactions in Selective Laser Sintering
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New Hammerstein Modeling and Analysis for Controlling Melt Pool Width in Powder Bed Fusion Additive Manufacturing
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Closed-loop High-fidelity Simulation Integrating Finite Element Modeling with Feedback Controls in Additive Manufacturing
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Control-Oriented Modeling and Repetitive Control of In-Layer and Cross-Layer Thermal Interactions in Selective Laser Sintering
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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 …
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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 …
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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 …
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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 …
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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 …
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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 …
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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 …
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