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Control-Oriented Modeling and Repetitive Control of In-Layer and Cross-Layer Thermal Interactions in Selective Laser Sintering
Although laser-based additive manufacturing (AM) has enabled unprecedented fabrication of complex parts directly from digital models, …
Dan Wang
,
Tianyu Jiang
,
Xu Chen
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Following Fast-Dynamic Targets With Only Slow and Delayed Visual Feedback - a Kalman Filter and Model-Based Prediction Approach
Although visual feedback has enabled a wide range of robotic capabilities such as autonomous navigation and robotic surgery, low …
Hui Xiao
,
Xu Chen
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Model-based Sparse Information Recovery by Collaborative Sensor Management
This paper considers the real-time recovery of a fast discrete signal (e.g., updated every T seconds) by using sparsely sampled sensor …
Hui Xiao
,
Yaakov Bar-Shalom
,
Xu Chen
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DOI
Wide-band Loop Shaping for Modulation of Energy Transmission in Nonminimum-phase Systems
Modulating the closed-loop transmission of energy in a wide frequency band without sacrificing overall system performance is a …
Tianyu Jiang
,
Jiong Tang
,
Xu Chen
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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
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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
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Periodic Wind Disturbance Rejection using Robust Individual Pitch Control
A robust individual pitch control strategy is presented to deal with periodic load disturbances on wind turbines under operating point …
Yuan Yuan
,
Xu Chen
,
Jiong Tang
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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 …
Xu Chen
,
Tianyu Jiang
,
Dan Wang
,
Hui Xiao
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Control of Dual-stage HDDs with Enhanced Repetitive Disturbance Rejection
Nowadays, despite the emerging adoption of the solid state drives, hard disk drives (HDDs) are still used extensively as cost-effective …
Shiying Zhou
,
Xu Chen
,
Minghui Zheng
,
Masayoshi Tomizuka
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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
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