Control-Oriented Modeling and Repetitive Control in In-Layer and Cross-Layer Thermal Interactions in Selective Laser Sintering

ASME Letters in Dynamic Systems and Control ◽

10.1115/1.4046367 ◽

2020 ◽

Vol 1 (1) ◽

Author(s):

Dan Wang ◽

Tianyu Jiang ◽

Xu Chen

Keyword(s):

High Performance ◽

Selective Laser Sintering ◽

Repetitive Control ◽

Three Dimensional ◽

Process Variations ◽

Laser Sintering ◽

Laser Source ◽

Cross Layer ◽

Modeling And Control ◽

Melt Pool

Abstract Although laser-based additive manufacturing (AM) has enabled unprecedented fabrication of complex parts directly from digital models, broader adoption of the technology remains challenged by insufficient reliability and in-process variations. In pursuit of assuring quality in the selective laser sintering (SLS) AM, this paper builds a modeling and control framework of the key thermodynamic interactions between the laser source and the materials to be processed. First, we develop a three-dimensional finite element simulation to understand the important features of the melt pool evolution for designing sensing and feedback algorithms. We explore how the temperature field is affected by hatch spacing and thermal properties that are temperature-dependent. Based on high-performance computer simulation and experimentation, we then validate the existence and effect of periodic disturbances induced by the repetitive in- and cross-layer thermomechanical interactions. From there, we identify the system model from the laser power to the melt pool width and build a repetitive control algorithm to greatly attenuate variations of the melt pool geometry.

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Dynamic Systems and Control

Hydraulic Control Systems ◽

10.1002/9781119418528.ch3 ◽

2019 ◽

pp. 81-154

Keyword(s):

Dynamic Systems ◽

Systems And Control ◽

And Control

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Dynamic Systems and Control

10.1007/978-3-030-76124-0_8 ◽

2021 ◽

pp. 403-475

Author(s):

Kostas Triantafyllopoulos

Keyword(s):

Dynamic Systems ◽

Systems And Control ◽

And Control

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Hierarchical Nonlinear Moving Horizon Estimation of Vehicle Lateral Speed and Road Friction Coefficient

Volume 3, Rapid Fire Interactive Presentations: Advances in Control Systems; Advances in Robotics and Mechatronics; Automotive and Transportation Systems; Motion Planning and Trajectory Tracking; Soft Mechatronic Actuators and Sensors; Unmanned Ground and Aerial Vehicles ◽

10.1115/dscc2019-9069 ◽

2019 ◽

Author(s):

Chi Jin ◽

Anson Maitland ◽

John McPhee

Keyword(s):

Friction Coefficient ◽

Dynamic Systems ◽

Moving Horizon Estimation ◽

Systems And Control ◽

Road Friction ◽

And Control ◽

Road Friction Coefficient

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046395/1074688/Hierarchical-Nonlinear-Moving-Horizon-Estimation

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Compressive Sensing-Based Reconstruction of Lissajous-Like Nodding Lidar Data

Volume 3, Rapid Fire Interactive Presentations: Advances in Control Systems; Advances in Robotics and Mechatronics; Automotive and Transportation Systems; Motion Planning and Trajectory Tracking; Soft Mechatronic Actuators and Sensors; Unmanned Ground and Aerial Vehicles ◽

10.1115/dscc2019-9201 ◽

2019 ◽

Author(s):

Michael T. Benson ◽

Harish Sathishchandra ◽

Garrett M. Clayton ◽

Sean B. Andersson

Keyword(s):

Compressive Sensing ◽

Dynamic Systems ◽

Lidar Data ◽

Systems And Control ◽

And Control

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046574/1075674/Compressive-Sensing-Based-Reconstruction-of

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Human Driver Modeling Based on Analytical Optimal Solutions: Stopping Behaviors at the Intersections

Volume 3, Rapid Fire Interactive Presentations: Advances in Control Systems; Advances in Robotics and Mechatronics; Automotive and Transportation Systems; Motion Planning and Trajectory Tracking; Soft Mechatronic Actuators and Sensors; Unmanned Ground and Aerial Vehicles ◽

10.1115/dscc2019-9178 ◽

2019 ◽

Author(s):

Jihun Han ◽

Dominik Karbowski ◽

Namdoo Kim ◽

Aymeric Rousseau

Keyword(s):

Dynamic Systems ◽

Optimal Solutions ◽

Human Driver ◽

Systems And Control ◽

And Control

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046575/1075675/Human-Driver-Modeling-Based-on-Analytical-Optimal

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Lifetime Optimization for a Grid-Friendly DC Fast Charge Station With Second Life Batteries

Volume 3, Rapid Fire Interactive Presentations: Advances in Control Systems; Advances in Robotics and Mechatronics; Automotive and Transportation Systems; Motion Planning and Trajectory Tracking; Soft Mechatronic Actuators and Sensors; Unmanned Ground and Aerial Vehicles ◽

10.1115/dscc2019-9105 ◽

2019 ◽

Author(s):

Matilde D’Arpino ◽

Massimo Cancian

Keyword(s):

Dynamic Systems ◽

Second Life ◽

Fast Charge ◽

Systems And Control ◽

Lifetime Optimization ◽

And Control

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046579/1075680/Lifetime-Optimization-for-a-Grid-Friendly-DC-Fast

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Control-Oriented Physics-Based NOx Emission Model for a Diesel Engine With Exhaust Gas Recirculation

Volume 2: Modeling and Control of Engine and Aftertreatment Systems; Modeling and Control of IC Engines and Aftertreatment Systems; Modeling and Validation; Motion Planning and Tracking Control; Multi-Agent and Networked Systems; Renewable and Smart Energy Systems; Thermal Energy Systems; Uncertain Systems and Robustness; Unmanned Ground and Aerial Vehicles; Vehicle Dynamics and Stability; Vibrations: Modeling, Analysis, and Control ◽

10.1115/dscc2019-9247 ◽

2019 ◽

Author(s):

Saravanan Duraiarasan ◽

Rasoul Salehi ◽

Anna Stefanopoulou ◽

Siddharth Mahesh ◽

Marc Allain

Keyword(s):

Diesel Engine ◽

Dynamic Systems ◽

Exhaust Gas Recirculation ◽

Nox Emission ◽

Exhaust Gas ◽

Emission Model ◽

Systems And Control ◽

Gas Recirculation ◽

And Control

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046450/1074858/Control-Oriented-Physics-Based-NOX-Emission-Model

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Enhanced Tire Blowout Modeling Using Vertical Load Redistribution and Self-Alignment Torque

Volume 2: Modeling and Control of Engine and Aftertreatment Systems; Modeling and Control of IC Engines and Aftertreatment Systems; Modeling and Validation; Motion Planning and Tracking Control; Multi-Agent and Networked Systems; Renewable and Smart Energy Systems; Thermal Energy Systems; Uncertain Systems and Robustness; Unmanned Ground and Aerial Vehicles; Vehicle Dynamics and Stability; Vibrations: Modeling, Analysis, and Control ◽

10.1115/dscc2019-8997 ◽

2019 ◽

Author(s):

Ao Li ◽

Yan Chen ◽

Xinyu Du ◽

Wen-Chiao Lin

Keyword(s):

Dynamic Systems ◽

Vertical Load ◽

Load Redistribution ◽

Systems And Control ◽

And Control

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046314/1074439/Enhanced-Tire-Blowout-Modeling-Using-Vertical-Load

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Goodwin, Prof. Graham Clifford, (born 20 April 1945), Professor of Electrical Engineering, 1983, now Emeritus Laureate Professor, and Director, ARC Centre for Complex Dynamic Systems and Control, 2007–11, now Academic Researcher, University of Newcastle, New South Wales

10.1093/ww/9780199540884.013.44328 ◽

2007 ◽

Keyword(s):

Dynamic Systems ◽

New South ◽

Electrical Engineering ◽

New South Wales ◽

Academic Researcher ◽

Complex Dynamic ◽

Complex Dynamic Systems ◽

South Wales ◽

Systems And Control ◽

And Control

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